CN1873135A - Precast hollow slab, production mould, production method and application - Google Patents

Precast hollow slab, production mould, production method and application Download PDF

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Publication number
CN1873135A
CN1873135A CN 200510075624 CN200510075624A CN1873135A CN 1873135 A CN1873135 A CN 1873135A CN 200510075624 CN200510075624 CN 200510075624 CN 200510075624 A CN200510075624 A CN 200510075624A CN 1873135 A CN1873135 A CN 1873135A
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nib
cross rib
long tube
rib
perhaps
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Chinese (zh)
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邱则有
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Hunan Qiuzeyou Patent Strategy Planning Co Ltd
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邱则有
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Priority to CN 200510075624 priority Critical patent/CN1873135A/en
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Abstract

A precast hollow slab includes pencil shaped slab body. It is featured as setting at least two rows of longitudinal pipe holes in said slab body and setting at least one line of horizontal rib die holes through slab body in said slab body.

Description

A kind of precast hollow slab and production mould thereof, production method and application
(1) technical field
The present invention relates to a kind of precast hollow slab and production mould thereof, production method and application.
(2) background technology
At present, precast hollow slab is mainly used in the superstructure or roof system of building.Precast hollow slab is made of reinforcing bar and concrete, form through die production, comprise the strip plate body, the vertical long tube of at least two rows hole is longitudinally arranged in the strip plate body, be arranged on load bearing wall or the beam by such precast hollow slab, build slit between the precast hollow slab with Cast-in-place concrete again, formed hollow building cover or roof system, owing to firmly be not connected between precast hollow slab and the hollowcore slab, very easily produce along plank split, the globality of superstructure is poor, and shock resistance is poor, and particularly the vertical cross stiffness difference of superstructure or roof system is big.Therefore, develop a kind of novel precast hollow slab and production mould, production method and application for being badly in need of.
(3) summary of the invention
The object of the present invention is to provide a kind of precast hollow slab and production mould thereof, production method and application, characteristics such as that precast hollow slab has is simple and reasonable for structure, easy construction, cost is low, production is easy, be applied in building (room) lid, can significantly reduce building (room) lid vertical cross stiffness difference, improve the overall performance and the anti-seismic performance of superstructure, reduce the generation in crack.
Solution of the present invention is on the basis of existing technology, comprises the strip plate body, and the vertical long tube of at least two rows hole is longitudinally arranged in the strip plate body, it is characterized in that having at least one cross rib nib lateral direction penetrating plate body.Like this, precast hollow slab is simple and reasonable for structure, easy construction, cost is low, produce easy, in the time of in being applied to building (room) lid, Cast-in-place concrete pours in the cross rib nib, can form the Cast-in-place concrete cross rib, and the longitudinal rib between the vertical long tube of the precast hollow slab hole forms integral body, thereby, significantly reduced the vertical cross stiffness difference of building (room) lid, make building (room) cover the structure that has formed two-way power transmission, changed the structural system in building (room), improved the supporting capacity of building (room) lid; Simultaneously, the Cast-in-place concrete cross rib links into an integrated entity precast hollow slab, thereby, the good integrity of building (room) lid, anti-seismic performance improves, significantly reduce the generation in crack each other of precast hollow slab and Cast-in-place concrete, thereby reached purpose of the present invention, be applicable to uses such as various hollow building covers, roof system, hollow wall.
A kind of precast hollow slab comprises the strip plate body, and the vertical long tube of at least two rows hole is longitudinally arranged in the strip plate body, it is characterized in that having at least one cross rib nib lateral direction penetrating plate body, has at least one perpendicular nib to be communicated with the cross rib nib downwards above the plate body.Like this, precast hollow slab is simple and reasonable for structure, easy construction, cost is low, produce easy, in the time of in being applied to building (room) lid, Cast-in-place concrete pours in the cross rib nib, can form the Cast-in-place concrete cross rib, and the longitudinal rib between the vertical long tube of the precast hollow slab hole forms integral body, thereby, significantly reduced the vertical cross stiffness difference of building (room) lid, make building (room) cover the structure that has formed two-way power transmission, changed the structural system in building (room), improved the supporting capacity of building (room) lid; Simultaneously, the Cast-in-place concrete cross rib links into an integrated entity precast hollow slab, thereby, the good integrity of building (room) lid, anti-seismic performance improves, significantly reduce the generation in crack each other of precast hollow slab and Cast-in-place concrete, in addition, had at least one perpendicular nib to be communicated with the cross rib nib downwards above the plate body, Cast-in-place concrete enters in the cross rib nib more convenient, the Cast-in-place concrete cross rib is more closely knit, simultaneously, has also formed the Cast-in-place concrete structure in perpendicular nib, make Cast-in-place concrete cross rib and precast hollow slab merge better, the globality of hollow building (room) lid of corresponding formation is better, thereby has reached purpose of the present invention, is applicable to various hollow building covers, roof system, uses such as hollow wall.
A kind of precast hollow slab, comprise the strip plate body, the vertical long tube of at least two rows hole is longitudinally arranged in the strip plate body, it is characterized in that having at least one cross rib nib lateral direction penetrating plate body, have at least one perpendicular nib to be communicated with the cross rib nib downwards above the plate body, and and vertically long tube hole three-dimensional is crossing.Like this, precast hollow slab is simple and reasonable for structure, easy construction, cost is low, produce easy, in the time of in being applied to building (room) lid, Cast-in-place concrete pours in the cross rib nib, can form the Cast-in-place concrete cross rib, and the longitudinal rib between the vertical long tube of the precast hollow slab hole forms integral body, thereby, significantly reduced the vertical cross stiffness difference of building (room) lid, make building (room) cover the structure that has formed two-way power transmission, changed the structural system in building (room), improved the supporting capacity of building (room) lid; Simultaneously, the Cast-in-place concrete cross rib links into an integrated entity precast hollow slab, thereby, the good integrity of building (room) lid, anti-seismic performance improves, significantly reduced the generation in crack each other of precast hollow slab and Cast-in-place concrete, in addition, there is at least one perpendicular nib to be communicated with the cross rib nib downwards above the plate body, and with vertically long tube hole three-dimensional is crossing, Cast-in-place concrete enters in the cross rib nib more convenient, and the Cast-in-place concrete cross rib is more closely knit, simultaneously, also formed the Cast-in-place concrete structure in perpendicular nib, made Cast-in-place concrete cross rib and precast hollow slab merge better, the globality of hollow building (room) lid of corresponding formation is better, thereby reached purpose of the present invention, be applicable to various hollow building covers, roof system, uses such as hollow wall.
A kind of precast hollow slab, comprise the strip plate body, the vertical long tube of at least two rows hole is longitudinally arranged in the strip plate body, it is characterized in that having at least one cross rib nib lateral direction penetrating plate body, there is at least one perpendicular nib to be communicated with the cross rib nib downwards above the plate body, and with vertically long tube hole three-dimensional is crossing, the equal three-dimensional of all perpendicular nibs intersects.Like this, precast hollow slab is simple and reasonable for structure, easy construction, cost is low, produce easy, in the time of in being applied to building (room) lid, Cast-in-place concrete pours in the cross rib nib, can form the Cast-in-place concrete cross rib, and the longitudinal rib between the vertical long tube of the precast hollow slab hole forms integral body, thereby, significantly reduced the vertical cross stiffness difference of building (room) lid, make building (room) cover the structure that has formed two-way power transmission, changed the structural system in building (room), improved the supporting capacity of building (room) lid; Simultaneously, the Cast-in-place concrete cross rib links into an integrated entity precast hollow slab, thereby, the good integrity of building (room) lid, anti-seismic performance improves, significantly reduced the generation in crack each other of precast hollow slab and Cast-in-place concrete, in addition, have at least one perpendicular nib to be communicated with the cross rib nib downwards above the plate body, and with vertically long tube hole three-dimensional is crossing, the equal three-dimensional of all perpendicular nibs intersect, Cast-in-place concrete enters in the cross rib nib more convenient, the Cast-in-place concrete cross rib is more closely knit, simultaneously, has also formed the Cast-in-place concrete structure in perpendicular nib, make Cast-in-place concrete cross rib and precast hollow slab merge better, the globality of hollow building (room) lid of corresponding formation is better, thereby has reached purpose of the present invention, is applicable to various hollow building covers, roof system, uses such as hollow wall.
A kind of precast hollow slab comprises the strip plate body, and the vertical long tube of at least two rows hole is longitudinally arranged in the strip plate body, it is characterized in that having at least one cross rib nib lateral direction penetrating plate body, in the cross rib nib steel bar anchoring device is arranged.Like this, precast hollow slab is simple and reasonable for structure, easy construction, cost is low, produce easy, in the time of in being applied to building (room) lid, Cast-in-place concrete pours in the cross rib nib, can form the Cast-in-place concrete cross rib, and the longitudinal rib between the vertical long tube of the precast hollow slab hole forms integral body, thereby, significantly reduced the vertical cross stiffness difference of building (room) lid, make building (room) cover the structure that has formed two-way power transmission, changed the structural system in building (room), improved the supporting capacity of building (room) lid; Simultaneously, the Cast-in-place concrete cross rib links into an integrated entity precast hollow slab, thereby, the good integrity of building (room) lid, anti-seismic performance improves, and has significantly reduced the generation in crack each other of precast hollow slab and Cast-in-place concrete; In addition, the cross rib nib inwardly is provided with steel bar anchoring device, can be with the reinforcing bar positioning and anchoring that passes wherein, guarantee that reinforcing bar position can the off-design position,, pour into a mould closely knit afterwards in precast hollow slab by in the cross rib nib, pouring into a mould Cast-in-place concrete, can form horizontal cast-in-situ reinforced concrete rib, make the mechanical property of building (room) lid better, thereby reached purpose of the present invention, be applicable to uses such as various hollow building covers, roof system, hollow wall.
A kind of precast hollow slab, comprise the strip plate body, the vertical long tube of at least two rows hole is longitudinally arranged in the strip plate body, it is characterized in that having at least one cross rib nib lateral direction penetrating plate body, an end of the cross rib nib of the side of precast hollow slab has the anchor device that presets that transverse reinforcement is set.Like this, precast hollow slab is simple and reasonable for structure, easy construction, cost is low, produce easy, in the time of in being applied to building (room) lid, Cast-in-place concrete pours in the cross rib nib, can form the Cast-in-place concrete cross rib, and the longitudinal rib between the vertical long tube of the precast hollow slab hole forms integral body, thereby, significantly reduced the vertical cross stiffness difference of building (room) lid, make building (room) cover the structure that has formed two-way power transmission, changed the structural system in building (room), improved the supporting capacity of building (room) lid; Simultaneously, the Cast-in-place concrete cross rib links into an integrated entity precast hollow slab, thereby, the good integrity of building (room) lid, anti-seismic performance improves, and has significantly reduced the generation in crack each other of precast hollow slab and Cast-in-place concrete; In addition, one end of cross rib nib is provided with the anchor device that presets of transverse reinforcement, can be with the reinforcing bar positioning and anchoring that passes wherein, guarantee that reinforcing bar position can the off-design position,, pour into a mould closely knit afterwards in precast hollow slab by in the cross rib nib, pouring into a mould Cast-in-place concrete, can form horizontal cast-in-situ reinforced concrete rib, make the mechanical property of building (room) lid better, thereby reached purpose of the present invention, be applicable to uses such as various hollow building covers, roof system, hollow wall.
A kind of precast hollow slab, comprise the strip plate body, the vertical long tube of at least two rows hole is longitudinally arranged in the strip plate body, it is characterized in that having at least one cross rib nib lateral direction penetrating plate body, vertically in the long tube hole at least one horizontal plug-hole spare is arranged, separate cross rib nib and vertical long tube hole, the two is not communicated with.Like this, precast hollow slab is simple and reasonable for structure, easy construction, cost is low, produce easy, in the time of in being applied to building (room) lid, Cast-in-place concrete pours in the cross rib nib, can form the Cast-in-place concrete cross rib, and the longitudinal rib between the vertical long tube of the precast hollow slab hole forms integral body, thereby, significantly reduced the vertical cross stiffness difference of building (room) lid, make building (room) cover the structure that has formed two-way power transmission, changed the structural system in building (room), improved the supporting capacity of building (room) lid; Simultaneously, the Cast-in-place concrete cross rib links into an integrated entity precast hollow slab, thereby, the good integrity of building (room) lid, anti-seismic performance improves, and has significantly reduced the generation in crack each other of precast hollow slab and Cast-in-place concrete; In addition, after in vertical long tube hole, horizontal plug-hole spare being set, horizontal plug-hole spare is blocked vertical long tube hole, the cross rib nib has been formed and vertical long tube hole independence sealed hollow, prevented that concrete from flowing in vertical long tube hole, saved concrete, reduced the weight and the cost of manufacture of building (room) lid, thereby reached purpose of the present invention, be applicable to uses such as various hollow building covers, roof system, hollow wall.
A kind of precast hollow slab, comprise the strip plate body, the vertical long tube of at least two rows hole is longitudinally arranged in the strip plate body, it is characterized in that having at least one cross rib nib lateral direction penetrating plate body, vertically in the long tube hole at least one horizontal plug-hole spare is arranged, separate cross rib nib and vertical long tube hole, the two is not communicated with, vertical long tube hole of part and cross rib nib connect and compose crossing hole.Like this, precast hollow slab is simple and reasonable for structure, easy construction, cost is low, produce easy, in the time of in being applied to building (room) lid, Cast-in-place concrete pours in the cross rib nib, can form the Cast-in-place concrete cross rib, and the longitudinal rib between the vertical long tube of the precast hollow slab hole forms integral body, thereby, significantly reduced the vertical cross stiffness difference of building (room) lid, make building (room) cover the structure that has formed two-way power transmission, changed the structural system in building (room), improved the supporting capacity of building (room) lid; Simultaneously, the Cast-in-place concrete cross rib links into an integrated entity precast hollow slab, thereby, the good integrity of building (room) lid, anti-seismic performance improves, and has significantly reduced the generation in crack each other of precast hollow slab and Cast-in-place concrete; In addition, after in vertical long tube hole, horizontal plug-hole spare being set, horizontal plug-hole spare is blocked vertical long tube hole, the cross rib nib is formed and vertical long tube hole independence sealed hollow, prevented that concrete from flowing in vertical long tube hole, saved concrete, the weight and the cost of manufacture of building (room) lid have been reduced, wherein also have partly vertical long tube hole and cross rib nib to connect and compose when intersecting hole, concrete can inject vertical long tube hole, can locally strengthen the vertical of precast hollow slab, fully satisfy the demand of different meters, make things convenient for practical application, thereby reached purpose of the present invention, be applicable to various hollow building covers, roof system, uses such as hollow wall.
A kind of precast hollow slab, comprise the strip plate body, the vertical long tube of at least two rows hole is longitudinally arranged in the strip plate body, it is characterized in that precast hollow slab is extrusion molding, at least one cross rib nib lateral direction penetrating plate body is arranged, and the cross rib nib is to extract the nib that unhardened wet concrete forms.Like this, precast hollow slab is simple and reasonable for structure, easy construction, cost is low, produce easy, in the time of in being applied to building (room) lid, Cast-in-place concrete pours in the cross rib nib, can form the Cast-in-place concrete cross rib, and the longitudinal rib between the vertical long tube of the precast hollow slab hole forms integral body, thereby, significantly reduced the vertical cross stiffness difference of building (room) lid, make building (room) cover the structure that has formed two-way power transmission, changed the structural system in building (room), improved the supporting capacity of building (room) lid; Simultaneously, the Cast-in-place concrete cross rib links into an integrated entity precast hollow slab, thereby, the good integrity of building (room) lid, anti-seismic performance improves, and has significantly reduced the generation in crack each other of precast hollow slab and Cast-in-place concrete; In addition, when the cross rib nib is when extracting the nib of unhardened wet concrete formation, offering of cross rib nib is very convenient simple, and width is controlled easily, reduced the manufacture difficulty of precast hollow slab, make things convenient for production application, thereby reached purpose of the present invention, be applicable to uses such as various hollow building covers, roof system, hollow wall.
A kind of precast hollow slab, comprise the strip plate body, the vertical long tube of at least two rows hole is longitudinally arranged in the strip plate body, it is characterized in that precast hollow slab is extrusion molding, there is at least one perpendicular nib to be communicated with the cross rib nib downwards above the plate body, at least one cross rib nib lateral direction penetrating plate body is arranged, and the cross rib nib is to extract the nib that unhardened wet concrete forms, and perpendicular nib is also for extracting the perpendicular nib that wet concrete forms.Like this, precast hollow slab is simple and reasonable for structure, easy construction, cost is low, produce easy, in the time of in being applied to building (room) lid, Cast-in-place concrete pours in the cross rib nib, can form the Cast-in-place concrete cross rib, and the longitudinal rib between the vertical long tube of the precast hollow slab hole forms integral body, thereby, significantly reduced the vertical cross stiffness difference of building (room) lid, make building (room) cover the structure that has formed two-way power transmission, changed the structural system in building (room), improved the supporting capacity of building (room) lid; Simultaneously, the Cast-in-place concrete cross rib links into an integrated entity precast hollow slab, thereby, the good integrity of building (room) lid, anti-seismic performance improves, and has significantly reduced the generation in crack each other of precast hollow slab and Cast-in-place concrete; In addition, when cross rib nib and perpendicular nib are when extracting the nib that unhardened wet concrete forms, offering of cross rib nib and perpendicular nib is very convenient simple, and width is controlled easily, reduced manufacture difficulty, make things convenient for production application, thereby reached purpose of the present invention, be applicable to uses such as various hollow building covers, roof system, hollow wall.
A kind of precast hollow slab, comprise the strip plate body, the vertical long tube of at least two rows hole is longitudinally arranged in the strip plate body, it is characterized in that having at least one cross rib nib lateral direction penetrating plate body, one end of the cross rib nib of the side of precast hollow slab has the anchor device that presets that transverse reinforcement is set, and anchor device is adjustable anchor device.Like this, precast hollow slab is simple and reasonable for structure, easy construction, cost is low, produce easy, in the time of in being applied to building (room) lid, Cast-in-place concrete pours in the cross rib nib, can form the Cast-in-place concrete cross rib, and the longitudinal rib between the vertical long tube of the precast hollow slab hole forms integral body, thereby, significantly reduced the vertical cross stiffness difference of building (room) lid, make building (room) cover the structure that has formed two-way power transmission, changed the structural system in building (room), improved the supporting capacity of building (room) lid; Simultaneously, the Cast-in-place concrete cross rib links into an integrated entity precast hollow slab, thereby, the good integrity of building (room) lid, anti-seismic performance improves, and has significantly reduced the generation in crack each other of precast hollow slab and Cast-in-place concrete; In addition, be provided with the anchor device that presets of transverse reinforcement at an end of cross rib nib, anchor device is adjustable anchor device, can be with the reinforcing bar positioning and anchoring that passes wherein, and further reinforcing bar is carried out the position adjustment, guarantee that reinforcing bar position can the off-design position, by in the cross rib nib, pouring into a mould Cast-in-place concrete, pour into a mould closely knit back in precast hollow slab, can form horizontal cast-in-situ reinforced concrete rib, can guarantee the pouring quality of horizontal Cast-in-place concrete rib effectively, thereby reach purpose of the present invention, be applicable to various hollow building covers, roof system, uses such as hollow wall.
A kind of precast hollow slab, comprise the strip plate body, the vertical long tube of at least two rows hole is longitudinally arranged in the strip plate body, it is characterized in that having at least one cross rib nib lateral direction penetrating plate body, one end of the cross rib nib of the side of precast hollow slab has the anchor device that presets that transverse reinforcement is set, and anchor device links to each other with longitudinal reinforcement in the hollowcore slab.Like this, precast hollow slab is simple and reasonable for structure, easy construction, cost is low, produce easy, in the time of in being applied to building (room) lid, Cast-in-place concrete pours in the cross rib nib, can form the Cast-in-place concrete cross rib, and the longitudinal rib between the vertical long tube of the precast hollow slab hole forms integral body, thereby, significantly reduced the vertical cross stiffness difference of building (room) lid, make building (room) cover the structure that has formed two-way power transmission, changed the structural system in building (room), improved the supporting capacity of building (room) lid; Simultaneously, the Cast-in-place concrete cross rib links into an integrated entity precast hollow slab, thereby, the good integrity of building (room) lid, anti-seismic performance improves, and has significantly reduced the generation in crack each other of precast hollow slab and Cast-in-place concrete; In addition, inwardly be provided with steel bar anchoring device at the cross rib nib, can be with the reinforcing bar positioning and anchoring that passes wherein, guarantee that reinforcing bar position can the off-design position, by in the cross rib nib, pouring into a mould Cast-in-place concrete, pour into a mould closely knit back in precast hollow slab, can form horizontal cast-in-situ reinforced concrete rib, guaranteed the pouring quality of horizontal Cast-in-place concrete rib effectively, and, anchor device is with after longitudinal reinforcement in the hollowcore slab links to each other, transverse reinforcement in the cross rib nib and longitudinal reinforcement can be connected to form integral body, can increase substantially the two-way transmission force property and the overall performance of building (room) lid, thereby reach purpose of the present invention, be applicable to various hollow building covers, roof system, uses such as hollow wall.
A kind of precast hollow slab comprises the strip plate body, and the vertical long tube of at least two rows hole is longitudinally arranged in the strip plate body, it is characterized in that having at least one cross rib nib lateral direction penetrating plate body, and the cross rib nib is formed by the non-core of loosing core.Like this, precast hollow slab is simple and reasonable for structure, easy construction, cost is low, produce easy, in the time of in being applied to building (room) lid, Cast-in-place concrete pours in the cross rib nib, can form the Cast-in-place concrete cross rib, and the longitudinal rib between the vertical long tube of the precast hollow slab hole forms integral body, thereby, significantly reduced the vertical cross stiffness difference of building (room) lid, make building (room) cover the structure that has formed two-way power transmission, changed the structural system in building (room), improved the supporting capacity of building (room) lid; Simultaneously, the Cast-in-place concrete cross rib links into an integrated entity precast hollow slab, thereby, the good integrity of building (room) lid, anti-seismic performance improves, and has significantly reduced the generation in crack each other of precast hollow slab and Cast-in-place concrete; In addition, when the cross rib nib is formed by the non-core of loosing core, manufacturing in the process of precast hollow slab, only needing that cross rib nib core is arranged at the position that need offer the cross rib nib can once water and smash the precast hollow slab that is formed with the cross rib nib, cross rib nib pore-creating core need not removed, reduced the production difficulty of precast hollow slab, improved production efficiency, reduced cost of production, thereby reached purpose of the present invention, be applicable to uses such as various hollow building covers, roof system, hollow wall.
A kind of precast hollow slab, comprise the strip plate body, the vertical long tube of at least two rows hole is longitudinally arranged in the strip plate body, it is characterized in that having at least one cross rib nib lateral direction penetrating plate body, there is at least one perpendicular nib to be communicated with the cross rib nib downwards above the plate body, perpendicular nib constitutes the overlapping layers nib or/and the cross rib nib is formed by the non-core of loosing core.Like this, precast hollow slab is simple and reasonable for structure, easy construction, cost is low, produce easy, in the time of in being applied to building (room) lid, Cast-in-place concrete pours in the cross rib nib, can form the Cast-in-place concrete cross rib, and the longitudinal rib between the vertical long tube of the precast hollow slab hole forms integral body, thereby, significantly reduced the vertical cross stiffness difference of building (room) lid, make building (room) cover the structure that has formed two-way power transmission, changed the structural system in building (room), improved the supporting capacity of building (room) lid; Simultaneously, the Cast-in-place concrete cross rib links into an integrated entity precast hollow slab, thereby, the good integrity of building (room) lid, anti-seismic performance improves, significantly reduced the generation in crack each other of precast hollow slab and Cast-in-place concrete, in addition, have at least one perpendicular nib to be communicated with the cross rib nib downwards above the plate body, Cast-in-place concrete enters in the cross rib nib more convenient, and the Cast-in-place concrete cross rib is more closely knit, simultaneously, also formed the Cast-in-place concrete structure in perpendicular nib, made Cast-in-place concrete cross rib and precast hollow slab merge better, the globality of hollow building (room) lid of corresponding formation is better; In addition, when perpendicular nib or/and cross rib nib when forming by the non-core of loosing core, manufacturing in the process of precast hollow slab, only need core is arranged at and to offer perpendicular nib and be formed with perpendicular nib or/and the precast hollow slab of cross rib nib or/and the position of cross rib nib can once water to smash, cross rib nib pore-creating core erects nib or/and need not removed, reduced the production difficulty of precast hollow slab, improved production efficiency, reduced cost of production, thereby reached purpose of the present invention, be applicable to uses such as various hollow building covers, roof system, hollow wall.
A kind of precast hollow slab comprises the strip plate body, and the vertical long tube of at least two rows hole is longitudinally arranged in the strip plate body, it is characterized in that having at least one cross rib nib lateral direction penetrating plate body, and vertical long tube hole forms for the non-core-drawing pore-creating core.Like this, precast hollow slab is simple and reasonable for structure, easy construction, cost is low, produce easy, in the time of in being applied to building (room) lid, Cast-in-place concrete pours in the cross rib nib, can form the Cast-in-place concrete cross rib, and the longitudinal rib between the vertical long tube of the precast hollow slab hole forms integral body, thereby, significantly reduced the vertical cross stiffness difference of building (room) lid, make building (room) cover the structure that has formed two-way power transmission, changed the structural system in building (room), improved the supporting capacity of building (room) lid; Simultaneously, the Cast-in-place concrete cross rib links into an integrated entity precast hollow slab, thereby, the good integrity of building (room) lid, anti-seismic performance improves, and has significantly reduced the generation in crack each other of precast hollow slab and Cast-in-place concrete; In addition, when vertically the long tube hole forms for the non-core-drawing pore-creating core, manufacturing in the process of precast hollow slab, only needing that vertical long tube hole core is arranged at the position that need offer vertical long tube hole can once water and smash the precast hollow slab that is formed with vertical long tube hole, vertically long tube hole pore-creating core need not removed, reduced the production difficulty of precast hollow slab, improved production efficiency, reduced cost of production, thereby reached purpose of the present invention, be applicable to uses such as various hollow building covers, roof system, hollow wall.
A kind of precast hollow slab, comprise the strip plate body, the vertical long tube of at least two rows hole is longitudinally arranged in the strip plate body, it is characterized in that having at least one cross rib nib lateral direction penetrating plate body, have at least one perpendicular nib to be communicated with cross rib nib, vertical long tube hole downwards above the plate body, perpendicular nib, vertical long tube hole are or/and the cross rib nib is the overlapping layers hole that the non-core of loosing core forms.Like this, precast hollow slab is simple and reasonable for structure, easy construction, cost is low, produce easy, in the time of in being applied to building (room) lid, Cast-in-place concrete pours in the cross rib nib, can form the Cast-in-place concrete cross rib, and the longitudinal rib between the vertical long tube of the precast hollow slab hole forms integral body, thereby, significantly reduced the vertical cross stiffness difference of building (room) lid, make building (room) cover the structure that has formed two-way power transmission, changed the structural system in building (room), improved the supporting capacity of building (room) lid; Simultaneously, the Cast-in-place concrete cross rib links into an integrated entity precast hollow slab, thereby, the good integrity of building (room) lid, anti-seismic performance improves, and has significantly reduced the generation in crack each other of precast hollow slab and Cast-in-place concrete; In addition, when perpendicular nib, vertically the long tube hole is or/and the cross rib nib is the non-core of loosing core when forming, manufacturing in the process of precast hollow slab, only core need be arranged at and offer perpendicular nib, vertically the long tube hole is formed with perpendicular nib or/and the position of cross rib nib can once water to smash, vertically the long tube hole is or/and the precast hollow slab of cross rib nib, core need not removed, reduced the production difficulty of precast hollow slab, improved production efficiency, reduced cost of production, thereby reached purpose of the present invention, be applicable to various hollow building covers, roof system, uses such as hollow wall.
A kind of precast hollow slab, comprise the strip plate body, the vertical long tube of at least two rows hole is longitudinally arranged in the strip plate body, it is characterized in that having at least one cross rib nib lateral direction penetrating plate body, there is at least one perpendicular nib to be communicated with cross rib nib, vertical long tube hole downwards above the plate body, perpendicular nib, vertical long tube hole are or/and the cross rib nib is the overlapping layers hole that the non-core of loosing core forms, and core is porose core mold plate.Like this, precast hollow slab is simple and reasonable for structure, easy construction, cost is low, produce easy, in the time of in being applied to building (room) lid, Cast-in-place concrete pours in the cross rib nib, can form the Cast-in-place concrete cross rib, and the longitudinal rib between the vertical long tube of the precast hollow slab hole forms integral body, thereby, significantly reduced the vertical cross stiffness difference of building (room) lid, make building (room) cover the structure that has formed two-way power transmission, changed the structural system in building (room), improved the supporting capacity of building (room) lid; Simultaneously, the Cast-in-place concrete cross rib links into an integrated entity precast hollow slab, thereby, the good integrity of building (room) lid, anti-seismic performance improves, and has significantly reduced the generation in crack each other of precast hollow slab and Cast-in-place concrete; In addition, when perpendicular nib, vertically the long tube hole is or/and during overlapping layers hole that the cross rib nib is the non-core of loosing core to be formed, manufacturing in the process of precast hollow slab, only core need be arranged at and offer perpendicular nib, vertically the long tube hole is formed with perpendicular nib or/and the position of cross rib nib can once water to smash, vertically the long tube hole is or/and the precast hollow slab of cross rib nib, core need not removed, reduced the production difficulty of precast hollow slab, improved production efficiency, reduced cost of production, when core is porose core mold plate, the core light weight, the production of precast hollow slab is more convenient with construction, thereby reached purpose of the present invention, be applicable to various hollow building covers, roof system, uses such as hollow wall.
A kind of precast hollow slab comprises the strip plate body, and the vertical long tube of at least two rows hole is longitudinally arranged in the strip plate body, it is characterized in that having at least one cross rib nib lateral direction penetrating plate body, and vertically long tube hole upper plate body has at least one place disjunctor.Like this, precast hollow slab is simple and reasonable for structure, easy construction, cost is low, produce easy, in the time of in being applied to building (room) lid, Cast-in-place concrete pours in the cross rib nib, can form the Cast-in-place concrete cross rib, and the longitudinal rib between the vertical long tube of the precast hollow slab hole forms integral body, thereby, significantly reduced the vertical cross stiffness difference of building (room) lid, make building (room) cover the structure that has formed two-way power transmission, changed the structural system in building (room), improved the supporting capacity of building (room) lid; Simultaneously, the Cast-in-place concrete cross rib links into an integrated entity precast hollow slab, thereby, the good integrity of building (room) lid, anti-seismic performance improves, and has significantly reduced the generation in crack each other of precast hollow slab and Cast-in-place concrete; In addition, when vertical long tube hole upper plate body has at least one place disjunctor, the intensity height of precast hollow slab, the resistance to compression shear resistance is strong, particularly can not fracture in the installation process, has guaranteed application safety, simultaneously, more convenient when reinforcing bar and Cast-in-place concrete are laid in construction, thus reached purpose of the present invention, be applicable to uses such as various hollow building covers, roof system, hollow wall.
A kind of precast hollow slab, comprise the strip plate body, the vertical long tube of at least two rows hole is longitudinally arranged in the strip plate body, it is characterized in that having at least one cross rib nib lateral direction penetrating plate body, vertical long tube hole lower body disjunctor, vertically on the long tube hole the vertical disjunctor at least one place is arranged, vertically disjunctor is connected by siamese part on the vertical rib between the long tube hole.Like this, precast hollow slab is simple and reasonable for structure, easy construction, cost is low, produce easy, in the time of in being applied to building (room) lid, Cast-in-place concrete pours in the cross rib nib, can form the Cast-in-place concrete cross rib, and the longitudinal rib between the vertical long tube of the precast hollow slab hole forms integral body, thereby, significantly reduced the vertical cross stiffness difference of building (room) lid, make building (room) cover the structure that has formed two-way power transmission, changed the structural system in building (room), improved the supporting capacity of building (room) lid; Simultaneously, the Cast-in-place concrete cross rib links into an integrated entity precast hollow slab, thereby, the good integrity of building (room) lid, anti-seismic performance improves, and has significantly reduced the generation in crack each other of precast hollow slab and Cast-in-place concrete; In addition, when vertical long tube hole lower body disjunctor, vertically on the long tube hole the vertical disjunctor at least one place is arranged, vertically disjunctor is on the vertical rib between the long tube hole, when being connected by siamese part, the anti-pressure ability of precast hollow slab is strong, good integrity, make precast hollow slab not frangibility damage in the installation process, guaranteed application safety, simultaneously, more convenient when reinforcing bar and Cast-in-place concrete are laid in construction, thereby reached purpose of the present invention, be applicable to uses such as various hollow building covers, roof system, hollow wall.
A kind of precast hollow slab, comprise the strip plate body, the vertical long tube of at least two rows hole is longitudinally arranged in the strip plate body, it is characterized in that having at least one cross rib nib lateral direction penetrating plate body, vertical long tube hole lower body disjunctor, vertically on the long tube hole the vertical disjunctor at least one place is arranged, vertically on the vertical rib of disjunctor edges of boards outside the long tube hole, connect by siamese part.Like this, precast hollow slab is simple and reasonable for structure, easy construction, cost is low, produce easy, in the time of in being applied to building (room) lid, Cast-in-place concrete pours in the cross rib nib, can form the Cast-in-place concrete cross rib, and the longitudinal rib between the vertical long tube of the precast hollow slab hole forms integral body, thereby, significantly reduced the vertical cross stiffness difference of building (room) lid, make building (room) cover the structure that has formed two-way power transmission, changed the structural system in building (room), improved the supporting capacity of building (room) lid; Simultaneously, the Cast-in-place concrete cross rib links into an integrated entity precast hollow slab, thereby, the good integrity of building (room) lid, anti-seismic performance improves, and has significantly reduced the generation in crack each other of precast hollow slab and Cast-in-place concrete; In addition, when vertical long tube hole lower body disjunctor, vertically on the long tube hole the vertical disjunctor at least one place is arranged, vertically disjunctor is on the vertical rib between the long tube hole, when connecting by siamese part, the anti-pressure ability of precast hollow slab is strong, good integrity, make precast hollow slab not frangibility damage in the installation process, the connection of siamese part has increased substantially the safety factor of precast hollow slab, and is simultaneously, more convenient when reinforcing bar and Cast-in-place concrete are laid in construction, thereby reached purpose of the present invention, be applicable to uses such as various hollow building covers, roof system, hollow wall.
A kind of precast hollow slab, comprise the strip plate body, the vertical long tube of at least two rows hole is longitudinally arranged in the strip plate body, it is characterized in that having at least one cross rib nib lateral direction penetrating plate body, vertical long tube hole lower body disjunctor, vertically on the long tube hole the vertical disjunctor at least one place is arranged, siamese part is the connector of reinforcing.Like this, precast hollow slab is simple and reasonable for structure, easy construction, cost is low, produce easy, in the time of in being applied to building (room) lid, Cast-in-place concrete pours in the cross rib nib, can form the Cast-in-place concrete cross rib, and the longitudinal rib between the vertical long tube of the precast hollow slab hole forms integral body, thereby, significantly reduced the vertical cross stiffness difference of building (room) lid, make building (room) cover the structure that has formed two-way power transmission, changed the structural system in building (room), improved the supporting capacity of building (room) lid; Simultaneously, the Cast-in-place concrete cross rib links into an integrated entity precast hollow slab, thereby, the good integrity of building (room) lid, anti-seismic performance improves, and has significantly reduced the generation in crack each other of precast hollow slab and Cast-in-place concrete; In addition, when vertical long tube hole lower body disjunctor, vertically on the long tube hole the vertical disjunctor at least one place is arranged, vertically disjunctor is on the vertical rib between the long tube hole, siamese part is when reinforcing the connection part, the mechanical property of precast hollow slab is better, globality is better, make precast hollow slab not frangibility damage in the installation process, the connection of siamese part has increased substantially the safety factor of precast hollow slab, and is simultaneously, more convenient when reinforcing bar and Cast-in-place concrete are laid in construction, thereby reached purpose of the present invention, be applicable to uses such as various hollow building covers, roof system, hollow wall.
A kind of precast hollow slab, comprise the strip plate body, the vertical long tube of at least two rows hole is longitudinally arranged in the strip plate body, it is characterized in that having at least one cross rib nib lateral direction penetrating plate body, vertical long tube hole lower body disjunctor, vertically on the long tube hole the vertical disjunctor at least one place is arranged, at least one diagonal member drawknot arranged between siamese part and the last siamese part at the bottom of the plate.Like this, precast hollow slab is simple and reasonable for structure, easy construction, cost is low, produce easy, in the time of in being applied to building (room) lid, Cast-in-place concrete pours in the cross rib nib, can form the Cast-in-place concrete cross rib, and the longitudinal rib between the vertical long tube of the precast hollow slab hole forms integral body, thereby, significantly reduced the vertical cross stiffness difference of building (room) lid, make building (room) cover the structure that has formed two-way power transmission, changed the structural system in building (room), improved the supporting capacity of building (room) lid; Simultaneously, the Cast-in-place concrete cross rib links into an integrated entity precast hollow slab, thereby, the good integrity of building (room) lid, anti-seismic performance improves, and has significantly reduced the generation in crack each other of precast hollow slab and Cast-in-place concrete; In addition, when vertical long tube hole lower body disjunctor, vertically on the long tube hole the vertical disjunctor at least one place is arranged, when between siamese part and the last siamese part diagonal member drawknot being arranged at the bottom of the plate, the anti-pressure ability of precast hollow slab is strong, good integrity, make precast hollow slab not frangibility damage in the installation process, the connection of siamese part has increased substantially the safety factor of precast hollow slab, simultaneously, more convenient when reinforcing bar and Cast-in-place concrete are laid in construction, thus reached purpose of the present invention, be applicable to uses such as various hollow building covers, roof system, hollow wall.
A kind of precast hollow slab, comprise the strip plate body, the vertical long tube of at least two rows hole is longitudinally arranged in the strip plate body, it is characterized in that having at least one cross rib nib lateral direction penetrating plate body, vertically long tube hole lower body disjunctor vertically has the vertical disjunctor at least one place on the long tube hole, and siamese part is reinforced, be arranged on the cross rib nib around, reinforce ringwise.Like this, precast hollow slab is simple and reasonable for structure, easy construction, cost is low, produce easy, in the time of in being applied to building (room) lid, Cast-in-place concrete pours in the cross rib nib, can form the Cast-in-place concrete cross rib, and the longitudinal rib between the vertical long tube of the precast hollow slab hole forms integral body, thereby, significantly reduced the vertical cross stiffness difference of building (room) lid, make building (room) cover the structure that has formed two-way power transmission, changed the structural system in building (room), improved the supporting capacity of building (room) lid; Simultaneously, the Cast-in-place concrete cross rib links into an integrated entity precast hollow slab, thereby, the good integrity of building (room) lid, anti-seismic performance improves, and has significantly reduced the generation in crack each other of precast hollow slab and Cast-in-place concrete; In addition, when vertical long tube hole lower body disjunctor, vertically on the long tube hole the vertical disjunctor at least one place is arranged, siamese part is reinforced, be arranged on the cross rib nib around, when reinforcing ringwise, the anti-pressure ability of precast hollow slab is strong, good integrity makes precast hollow slab not frangibility damage in the installation process, and the connection of siamese part has increased substantially the safety factor of precast hollow slab, simultaneously, more convenient when construction reinforced bar is laid with Cast-in-place concrete, thus reached purpose of the present invention, be applicable to uses such as various hollow building covers, roof system, hollow wall.
Feature of the present invention is that also described hollowcore slab lower plate has the longitudinal prestressing reinforcing bar.Like this, when in the lower plate of hollowcore slab the longitudinal prestressing reinforcing bar being arranged, the supporting capacity of precast hollow slab, deformability and shock resistance damage capability have all obtained significantly improving, and have improved the overall performance and the mechanical property of building (room) lid.
Feature of the present invention also is in the described vertical rib reinforcing bar is longitudinally arranged.Like this, when in the vertical rib longitudinal reinforcement being arranged, the intensity height of vertical rib, rigidity is big, makes precast hollow slab can fully satisfy instructions for use.
Feature of the present invention is that also the reinforcing bar longitudinally in the described vertical rib is prestressed reinforcement longitudinally.Like this, when reinforcing bar longitudinally during for prestressed reinforcement longitudinally, formed the prestressing force precast hollow slab, the deformability and the supporting capacity of precast hollow slab have been increased substantially, be applied to building (room) Gai Zhonghou, form prestressing force building (room) lid, improved the supporting capacity of building (room) lid, improved the overall performance of building (room) lid.
Feature of the present invention is that also described longitudinal reinforcement stretches out connector and stretches in the cross rib nib.Like this, when longitudinal reinforcement stretches out connector and stretches in the cross rib nib, described precast hollow slab is applied to building (room) Gai Zhonghou, longitudinal reinforcement and horizontal Cast-in-place concrete rib have formed whole groined type load-carrying member, make building (room) lid form two-way rib building (room) lid, improved the two-way load performance and the overall performance of building (room) lid greatly.
Feature of the present invention is that also described longitudinal reinforcement stretches out connector and stretches in vertical long tube hole.Like this, when stretching out connector, longitudinal reinforcement stretches in vertical long tube hole, described precast hollow slab is applied to building (room) Gai Zhonghou, when Cast-in-place concrete injects vertical long tube hole, (room) lid inside has formed vertical reinforcement Cast-in-place concrete rib in the building, has improved the supporting capacity and the overall performance of building (room) lid greatly.
Feature of the present invention is that also described longitudinal reinforcement is steel bar girder or bar frame.Like this, when longitudinal reinforcement was steel bar girder or bar frame, the shear resistance of precast hollow slab had obtained significantly improving, and makes precast hollow slab be applied to building (room) Gai Zhonghou and is not vulnerable to shear failure, had improved the overall performance of building (room) lid.
Feature of the present invention is that also the described cross rib nib and the axial line in vertical long tube hole intersect.Like this, when the described cross rib nib and the axial line in vertical long tube hole are crossing, precast hollow slab is applied to building (room) Gai Zhonghou, prefabricated vertical rib in formed horizontal Cast-in-place concrete rib of Cast-in-place concrete and the precast hollow slab intersects, form the grid Cast-in-place concrete rib that intersects in length and breadth, increased substantially the two-way load-carrying properties of building (room) lid.
Feature of the present invention also is the axial line grade separation in described cross rib nib and vertical long tube hole.Like this, when the axial line grade separation in described cross rib nib and vertical long tube hole, precast hollow slab is applied to building (room) Gai Zhonghou, prefabricated vertical rib in formed horizontal Cast-in-place concrete rib of Cast-in-place concrete and the precast hollow slab intersects, form the grid Cast-in-place concrete rib that intersects in length and breadth, increased substantially the two-way load-carrying properties of building (room) lid.
Feature of the present invention also is the cross section of the cross section of described cross rib nib less than vertical long tube hole.Like this, when the cross section of described cross rib nib during less than the cross section in vertical long tube hole, the cross rib nib can not cut off the vertical rib in the precast hollow slab, can keep longitudinal rib good resistance to compression tension and shear behavior, guarantees the quality of precast hollow slab.
Feature of the present invention is that also described same hollowcore slab has the above cross rib nib of at least three rows parallel.Like this, when same hollowcore slab has the above cross rib nib of at least three rows parallel, described precast hollow slab is applied in building (room) lid, behind the pour concrete, (room) lid inside has formed dark close rib load-carrying construction system in the building, make the load-carrying construction of building (room) lid be converted into two-way load-carrying construction plate, promoted the supporting capacity and the overall performance of building (room) lid significantly by one-way slabs.
Feature of the present invention is that also described same hollowcore slab has the above cross rib nib of at least three rows parallel, intersects with the above vertically long tube hole of at least three rows simultaneously.Like this, when same hollowcore slab has the above cross rib nib of at least three rows parallel, when intersecting with the above vertical long tube hole of at least three rows simultaneously, described precast hollow slab is applied in building (room) lid, behind the pour concrete, (room) lid inside has formed dark close rib load-carrying construction system in the building, makes the load-carrying construction of building (room) lid be converted into two-way load-carrying construction plate by one-way slabs, has promoted the supporting capacity and the overall performance of building (room) lid significantly.
Feature of the present invention is that also described cross rib nib runs through the vertical long tube of at least two rows hole.Like this, when described precast hollow slab is applied in building (room) lid, behind the pour concrete, the inner Cast-in-place concrete rib that runs through the vertical long tube of two rows hole at least that formed of (room) lid in the building, vertical Cast-in-place concrete rib in the precast plate has been connected into integral body, make precast hollow slab can overall coordination stressed, improved the stress performance of building (room) lid.
Feature of the present invention is that also described cross rib nib runs through the vertical rib of at least two rows.Like this, when described precast hollow slab is applied in building (room) lid, behind the pour concrete, the inner Cast-in-place concrete rib that runs through the vertical long tube of two rows hole at least that formed of (room) lid in the building, vertical Cast-in-place concrete rib in the precast plate has been connected into integral body, make precast hollow slab can overall coordination stressed, improved the stress performance of building (room) lid.
Feature of the present invention also is described cross rib nib and the hole of vertical long tube hole for being shaped simultaneously.Like this, when the cross rib nib was the hole that is shaped simultaneously with vertical long tube hole, the precast hollow slab good integrity was manufactured conveniently, and the hole of Cheng Xinging has the shape of rule simultaneously, and is not yielding, guaranteed the quality of precast hollow slab effectively.
Feature of the present invention is that also described cross rib nib is that back cutter is worn or the back boring and forming of hardening.Like this, when the cross rib nib is that back cutter is worn or hardened back boring and when forming, improved the flexibility that the cross rib nib is provided with the position greatly, can offer in desired location, made things convenient for the needs of practical application according to the needs of different application situation.
Feature of the present invention also is described cross rib nib and vertically between the long tube hole interlayer is arranged.Like this, between cross rib nib and vertical long tube hole interlayer is arranged, described precast hollow slab is applied to building (room) Gai Zhonghou, in the process of pour concrete, interlayer can stop Cast-in-place concrete to enter in vertical long tube man hole, has guaranteed the hollow rate of building (room) lid, reduce the consumption of concrete, saved cost.
Feature of the present invention is that also there is interlayer described cross rib nib both sides respectively and between vertical long tube hole, both sides.Like this, when there is interlayer cross rib nib both sides respectively and between vertical long tube hole, both sides, described precast hollow slab is applied to building (room) Gai Zhonghou, in the process of pour concrete, interlayer can stop Cast-in-place concrete to enter in vertical long tube man hole, guarantee the hollow rate of building (room) lid, reduced the consumption of concrete, saved cost.
Feature of the present invention also is in described coaxial vertical long tube hole at least two interlayers are arranged.Like this, in coaxial vertical long tube hole at least two interlayers are arranged, described precast hollow slab is applied to building (room) Gai Zhonghou, in the process of pour concrete, interlayer can stop Cast-in-place concrete to enter in vertical long tube man hole, has guaranteed the hollow rate of building (room) lid, reduce the consumption of concrete, saved cost.
Feature of the present invention is that also the interlayer in described coaxial vertical long tube hole is parallel.Like this, interlayer in coaxial vertical long tube hole is parallel, and described precast hollow slab is applied to building (room) Gai Zhonghou, in the process of cast Cast-in-place concrete, the interlayer that be arranged in parallel has guaranteed horizontal Cast-in-place concrete rib cast cross section rule, has improved the overall performance of building (room) lid.
Feature of the present invention is that also the interlayer in the vertical long tube of the described disalignment hole is parallel.Like this, interlayer in the vertical long tube of disalignment hole is parallel, and described precast hollow slab is applied to building (room) Gai Zhonghou, in the process of cast Cast-in-place concrete, the interlayer that be arranged in parallel has guaranteed horizontal Cast-in-place concrete rib cast cross section rule, has improved the overall performance of building (room) lid.
Feature of the present invention is that also the interlayer of described coaxial cross rib nib is on same straight line.Like this, when the interlayer of coaxial cross rib nib on same straight line, described precast hollow slab is applied to building (room) Gai Zhonghou, can form the horizontal Cast-in-place concrete rib of Cast-in-place concrete of symmetry in the cross rib nib, can increase substantially the load-carrying properties and the overall performance of building (room) lid.
Feature of the present invention is that also the interlayer of described coaxial cross rib nib is parallel.Like this, parallel when the interlayer of coaxial cross rib nib, described precast hollow slab is applied to building (room) Gai Zhonghou, can form the horizontal Cast-in-place concrete rib of Cast-in-place concrete of symmetry in the cross rib nib, can increase substantially the load-carrying properties and the overall performance of building (room) lid.
Feature of the present invention is that also described interlayer indent is in vertical long tube hole.Like this, when the interlayer indent in vertical long tube hole, described precast hollow slab is applied to building (room) Gai Zhonghou, the interlayer of indent in vertical long tube hole can not hinder the cast of the horizontal Cast-in-place concrete rib of Cast-in-place concrete, guaranteed the fluency of cast passage, can improve the pouring compactness of horizontal Cast-in-place concrete rib, improve the overall performance of building (room) lid.
Feature of the present invention is that also the interlayer in described at least two vertical long tube holes is the disjunctor interlayer of disjunctor.Like this, the interlayer of disjunctor has improved the accuracy of cross rib die cavity, has simplified the installation procedure of interlayer, has reduced the production difficulty, has saved cost.
Feature of the present invention is that also described interlayer is movable interlayer, or detachable interlayer.Like this, when interlayer is movable interlayer, or detachable interlayer, described precast hollow slab is applied to building (room) Gai Zhonghou, and the spacing between the interlayer can be adjusted, and can change the width of cross rib nib, when it is dismountable interlayer, behind the empty laterally Cast-in-place concrete rib of cast, the detachable recovery repeatedly of interlayer used, and can save cost.
Feature of the present invention is that also described interlayer and hollowcore slab are for whole.Like this, when interlayer and hollowcore slab are whole, described precast hollow slab is applied in building (room) lid, and when the horizontal Cast-in-place concrete rib of cast, interlayer can not be shifted, and can guarantee the pouring quality of horizontal Cast-in-place concrete rib.
Feature of the present invention is that also described cross rib nib periphery has rinforcement bar.Like this, after cross rib nib periphery has rinforcement bar, the strength and stiffness at the cross rib nib position of precast hollow slab have all obtained compensation, make near the intensity the cross rib nib unified mutually with rigidity and other position, guaranteed precast hollow slab construct and application process in the cracking that can not fracture.
Feature of the present invention is that also described rinforcement bar is the reinforcing ring muscle.Like this, when rinforcement bar is the reinforcing ring muscle, the strength and stiffness at the cross rib nib position of precast hollow slab have all obtained compensation, make near the intensity the cross rib nib unified mutually with rigidity and other position, guaranteed precast hollow slab construct and application process in the cracking that can not fracture.
Feature of the present invention also is in the described cross rib nib web member is arranged.Like this, when in the cross rib nib web member being arranged, web member supports drawknot to the position of carrying out perforate in the precast hollow slab to be strengthened, and has compensated because of opening intensity and the rigidity loss that the cross rib nib is produced, and has guaranteed the quality of precast hollow slab.
Feature of the present invention is that also described web member is the diagonal web member or the web member that intersects.Like this, when web member was diagonal web member or intersection web member, web member supports drawknot to the position of carrying out perforate in the precast hollow slab to be strengthened, and has compensated because of opening intensity and the rigidity loss that the cross rib nib is produced, and has guaranteed the quality of precast hollow slab.
Feature of the present invention is that also the cross rib groove is arranged on the described hollowcore slab.Like this, when hollowcore slab is provided with the cross rib groove, described precast hollow slab is applied to building (room) Gai Zhonghou, in the cross rib groove behind the pour concrete, can form the latticed Cast-in-place concrete rib load-carrying construction that cast-in-place cross rib and prefabricated longitudinal rib intersect, increase substantially the two-way power transmission ability and the supporting capacity of building (room) lid.
Feature of the present invention also is in the described cross rib groove pull bar or truss are arranged.Like this, when also having pull bar or truss in the cross rib groove, pull bar or truss have carried out the support drawknot to fluting position in the precast hollow slab and have strengthened, and have compensated because of offering intensity and the rigidity loss that the cross rib groove is produced, and have guaranteed the quality of precast hollow slab.
Feature of the present invention is that also described hollowcore slab has the cross rib cavity.Like this, when hollowcore slab is provided with the cross rib groove, described precast hollow slab is applied to building (room) Gai Zhonghou, in the cross rib groove behind the pour concrete, can form the latticed Cast-in-place concrete rib load-carrying construction that cast-in-place cross rib and prefabricated longitudinal rib intersect, increase substantially the two-way power transmission ability and the supporting capacity of building (room) lid.
Feature of the present invention is that also described cross rib cavity has pull bar or truss.Like this, when the cross rib cavity also had pull bar or truss, pull bar or truss had carried out the support drawknot to fluting position in the precast hollow slab and have strengthened, and have compensated because of offering intensity and the rigidity loss that the cross rib groove is produced, and have guaranteed the quality of precast hollow slab.
Feature of the present invention is also that described cross rib cavity stretches at least one vertical long tube hole of at least one side and is communicated with, forms vertical arm cavity.Like this, in stretching at least one vertical long tube hole of at least one side, the cross rib cavity is communicated with, when forming vertical arm cavity, described precast hollow slab is applied to building (room) Gai Zhonghou, pour concrete has formed in the cross rib cavity has projection or nose bar to stretch into horizontal Cast-in-place concrete rib in vertical long tube, improved the fastening intensity between cross rib and the vertical Cast-in-place concrete rib, the two can coordinate stressed better to make it.
Feature of the present invention is that also the relative both sides of described cross rib cavity stretch in vertical long tube hole, forms cross pipe cavity.Like this, in vertical long tube hole is stretched in the relative both sides of cross rib cavity, when forming cross pipe cavity, described precast hollow slab is applied to building (room) Gai Zhonghou, pour concrete has formed in the cross rib cavity has projection or nose bar to stretch into horizontal Cast-in-place concrete rib in vertical long tube, improved the fastening intensity between horizontal Cast-in-place concrete rib and the vertical Cast-in-place concrete rib, the two can coordinate stressed better to make it.
Feature of the present invention is also that the relative both sides of described cross rib cavity are a plurality of and stretches in vertical long tube hole, forms a plurality of cross pipe cavitys.Like this, stretch in vertical long tube hole when the relative both sides of cross rib cavity are a plurality of, when forming a plurality of cross pipe cavity, described precast hollow slab is applied to building (room) Gai Zhonghou, pour concrete has formed in the cross rib cavity has projection or nose bar to stretch into horizontal Cast-in-place concrete rib in vertical long tube, improved the fastening intensity between horizontal Cast-in-place concrete rib and the vertical Cast-in-place concrete rib, the two can coordinate stressed better to make it.
A kind of precast hollow board mold comprises that two limits are framed, and two Side Templates have the pore of punching pipe on the Side Template, it is characterized in that the limit has the fastening devices of fixed lateral rib mould on framed, has at least one cross rib mould between two Side Templates.Like this, when using described precast hollow board mold and producing, after putting on core pipe and cross rib mould between the Side Template, water and smash the precast hollow slab that can obtain having the cross rib die cavity.
A kind of precast hollow board mold comprises that two limits are framed, two Side Templates, the pore that the punching pipe is arranged on the Side Template, it is characterized in that the limit has the fastening devices of fixed lateral rib mould on framed, at least one cross rib mould is arranged between two Side Templates, the cross rib mould is the breathing mould.Like this, when using described precast hollow board mold and producing, after putting on core pipe and cross rib mould between the Side Template, water and smash the precast hollow slab that can obtain having the cross rib die cavity, when its cross rib mould is the breathing mould, in the form removal process, the cross rib mould can be removed very easily, can reduce the loss of mould, economical with materials reduces cost.
A kind of precast hollow board mold, comprise that two limits are framed, two Side Templates, the pore that the punching pipe is arranged on the Side Template, it is characterized in that the limit has the fastening devices of fixed lateral rib mould on framed, at least one cross rib mould is arranged between two Side Templates, and the cross rib mould is removable or/and relatively-movable flexible mould.Like this, when using described precast hollow board mold and producing, after putting on core pipe and cross rib mould between the Side Template, water and smash the precast hollow slab that can obtain having the cross rib die cavity, when its cross rib mould is collapsible die, in the form removal process, the cross rib mould can be removed very easily, can reduce the loss of mould, economical with materials reduces cost, when the cross rib mould is relatively-movable flexible mould, the cross rib die cavity of precast hollow slab can be adjusted width arbitrarily, and the precast hollow slab of using described precast hollow slab die production can fully satisfy the actual needs of various different situations.
A kind of manufacturing process of precast hollow slab:
1) extrusion molding through hole slab
2) dig the cross rib nib
3) dig perpendicular nib
4) stifled vertical long tube hole
2), 3), 4) order can be adjusted variation.
A kind of manufacturing process of precast hollow slab:
1) with mould frame moulding by casting through hole slab
2) dig the cross rib nib
3) dig perpendicular nib
4) stifled vertical long tube hole
2), 3), 4) order can be adjusted variation.
A kind of manufacturing process of precast hollow slab:
1) the framed and Side Template in limit is set
2) place intermediate lateral rib mould
3) pour concrete
4) loose core pipe die, off-clip mould and cross rib mould.
Precast hollow slab of the present invention is used hollow building (room) lid that forms, comprise load bearing wall or/and beam, precast hollow slab, the precast hollow slab two ends are arranged on load bearing wall or/and on the beam, precast hollow slab and load bearing wall are or/and beam forms integral body each other, precast hollow slab comprises the strip plate body, the vertical long tube of at least two rows hole is longitudinally arranged in the strip plate body, it is characterized in that in the strip plate body of precast hollow slab at least one cross rib nib lateral direction penetrating plate body being arranged, Cast-in-place concrete has formed horizontal Cast-in-place concrete rib in the cross rib nib, and forms integral body with precast hollow slab.Like this, laterally the Cast-in-place concrete rib has changed the force transferring structure system of building (room) lid, unidirectional force transferring structure plate is changed over the bi-directional configuration system of the common load of longitudinal rib in horizontal Cast-in-place concrete rib and the precast plate, the mechanical property and the overall performance of building (room) lid have been increased substantially, reduce situation about ftractureing between the precast hollow slab, improved the overall performance of building (room) lid.
Hollow building of the present invention (room) lid is that also described precast hollow slab is vertically arranged with vertical Cast-in-place concrete rib each other, and forms integral body with precast hollow slab, horizontal Cast-in-place concrete rib.Like this, laterally Cast-in-place concrete rib and vertical Cast-in-place concrete rib have changed the force transferring structure system of building (room) lid, unidirectional force transferring structure plate is changed over the bi-directional configuration system of longitudinal rib and the common load of vertical Cast-in-place concrete rib in horizontal Cast-in-place concrete rib and the precast plate, the mechanical property and the overall performance of building (room) lid have been increased substantially, reduce situation about ftractureing between the precast hollow slab, improved the overall performance of building (room) lid.
Hollow building of the present invention (room) lid also is described vertical Cast-in-place concrete rib, laterally contains reinforcing bar or prestressed reinforcement in the Cast-in-place concrete rib.Like this, after in vertical Cast-in-place concrete rib, horizontal Cast-in-place concrete rib, reinforcing bar or prestressed reinforcement being set, supporting capacity, deformability and the shock resistance damage capability of building (room) lid have all obtained significantly improving, and have improved the overall performance and the mechanical property of building (room) lid.
Hollow building of the present invention (room) covers between the two ends that also are described precast hollow slab and is provided with horizontal Cast-in-place concrete rib.Like this, after being provided with horizontal Cast-in-place concrete rib between the two ends of precast hollow slab, laterally the Cast-in-place concrete rib has changed the force transferring structure system of building (room) lid, increased substantially the overall performance of building (room) lid, reduce situation about ftractureing between the precast hollow slab, improved the overall performance of building (room) lid.
Hollow building of the present invention (room) covers to fold on the upper surface that also is described precast hollow slab one deck Cast-in-place concrete floor, and forms integral body with vertical Cast-in-place concrete rib and horizontal Cast-in-place concrete rib.Like this, on the upper surface of precast hollow slab, fold one deck Cast-in-place concrete layer is arranged, and with vertical Cast-in-place concrete rib with when laterally the Cast-in-place concrete rib forms integral body, the Cast-in-place concrete floor has improved waterproof, sound insulation, heat-proof quality and the overall performance of building (room) lid with the laterally dark superimposed integral body that connected into of rib of precast hollow slab in building (room) lid and precast hollow slab.
Hollow building of the present invention (room) lid is that also described Cast-in-place concrete floor contains reinforcing bar.Like this, after the Cast-in-place concrete layer contained reinforcing bar, supporting capacity, deformability and the shock resistance damage capability of building (room) lid had all obtained significantly improving, and had improved the overall performance and the mechanical property of building (room) lid.
Hollow building of the present invention (room) covers in the vertical long tube hole that also is described precast hollow slab and is provided with plug-hole spare.Like this, after in vertical long tube hole of precast hollow slab, being provided with plug-hole spare, horizontal plug-hole spare is blocked vertical long tube hole, the cross rib nib has been formed and vertical long tube hole independence sealed hollow, prevented that concrete from flowing in vertical long tube hole, save concrete, reduced the weight and the cost of manufacture of building (room) lid.
Hollow building of the present invention (room) covers to fold on the upper surface that also is described precast hollow slab one deck Cast-in-place concrete floor, and forms integral body with vertical Cast-in-place concrete rib.Like this, make Cast-in-place concrete floor and precast hollow slab form cast-in-place superimposed prefabricated building (room) lid of iterative structure, improve the supporting capacity and the overall performance of building (room) lid, building (room) has been covered in application process, be difficult for cracking destruction, guaranteed the quality of building (room) lid.
Hollow building of the present invention (room) lid is that also described Cast-in-place concrete floor contains reinforcing bar.Like this, make Cast-in-place concrete floor and precast hollow slab form cast-in-place superimposed prefabricated building (room) lid of iterative structure, improve the supporting capacity and the overall performance of building (room) lid, building (room) has been covered in application process, be difficult for cracking destruction, guaranteed the quality of building (room) lid.
Hollow building of the present invention (room) lid also is also to be provided with the dark beam of cast-in-situ reinforced concrete in described hollow building (room) lid.Like this, when also being provided with the dark beam of cast-in-situ reinforced concrete in hollow building (room) lid, can strengthen the mechanical property of hollow building (room) lid, simultaneously, it is inner that dark beam lies in hollow building (room) lid, the external structure that does not influence hollow building (room) lid is attractive in appearance, does not take the usage space of building during use, can more effectively improve the usage space of building.
(4) description of drawings
Fig. 1 is the structural representation of the embodiment 1 of precast hollow slab of the present invention.
Fig. 2 is the structural representation of the embodiment 2 of precast hollow slab of the present invention.
Fig. 3 is the structural representation of the embodiment 3 of precast hollow slab of the present invention.
Fig. 4 is the structural representation of the embodiment 4 of precast hollow slab of the present invention.
Fig. 5 is the structural representation of the embodiment 5 of precast hollow slab of the present invention.
Fig. 6 is the structural representation of the embodiment 6 of precast hollow slab of the present invention.
Fig. 7 is the structural representation of the embodiment 7 of precast hollow slab of the present invention.
Fig. 8 is the structural representation of the embodiment 8 of precast hollow slab of the present invention.
Fig. 9 is the structural representation of the embodiment 9 of precast hollow slab of the present invention.
Figure 10 is the structural representation of the embodiment 10 of precast hollow slab of the present invention.
Figure 11 is the structural representation of the embodiment 11 of precast hollow slab of the present invention.
Figure 12 is the structural representation of the embodiment 12 of precast hollow slab of the present invention.
Figure 13 is the structural representation of the embodiment 13 of precast hollow slab of the present invention.
Figure 14 is the structural representation of the embodiment 14 of precast hollow slab of the present invention.
Figure 15 is the structural representation of the embodiment 15 of precast hollow slab of the present invention.
Figure 16 is the structural representation of the embodiment 16 of precast hollow slab of the present invention.
Figure 17 is the structural representation of the embodiment 17 of precast hollow slab of the present invention.
Figure 18 is the structural representation of the embodiment 18 of precast hollow slab of the present invention.
Figure 19 is the structural representation of the embodiment 19 of precast hollow slab of the present invention.
Figure 20 is the structural representation of the embodiment 20 of precast hollow slab of the present invention.
Figure 21 is the structural representation of the embodiment 11 of precast hollow slab of the present invention.
Figure 22 is the structural representation of the embodiment 12 of precast hollow slab of the present invention.
Figure 23 is the structural representation of the embodiment 13 of precast hollow slab of the present invention.
Figure 24 is the structural representation of the embodiment 14 of precast hollow slab of the present invention.
Figure 25 is the structural representation of the embodiment 15 of precast hollow slab of the present invention.
Figure 26 is the structural representation of the embodiment 16 of precast hollow slab of the present invention.
Figure 27 is the structural representation of the embodiment 27 of precast hollow slab of the present invention.
Figure 28 is the structural representation of the embodiment 28 of precast hollow slab of the present invention.
Figure 29 is the structural representation of the embodiment 29 of precast hollow slab of the present invention.
Figure 30 is the structural representation of the embodiment 30 of precast hollow slab of the present invention.
Figure 31 is the structural representation of the embodiment 31 of precast hollow slab of the present invention.
Figure 32 is the structural representation of the embodiment 32 of precast hollow slab of the present invention.
Figure 33 is the structural representation of the embodiment 33 of precast hollow slab of the present invention.
Figure 34 is the structural representation of the embodiment 34 of precast hollow slab of the present invention.
Figure 35 is the structural representation of the embodiment 35 of precast hollow slab of the present invention.
Figure 36 is the structural representation of the embodiment 36 of precast hollow slab of the present invention.
Figure 37 is the structural representation of the embodiment 37 of precast hollow slab of the present invention.
Figure 38 is the structural representation of the embodiment 38 of precast hollow slab of the present invention.
Figure 39 is the structural representation of the embodiment 39 of precast hollow slab of the present invention.
Figure 40 is the structural representation of the embodiment 40 of precast hollow slab of the present invention.
Figure 41 is the structural representation of the embodiment 41 of precast hollow slab of the present invention.
Figure 42 is the structural representation of the embodiment 42 of precast hollow slab of the present invention.
Figure 43 is the structural representation of the embodiment 43 of precast hollow slab of the present invention.
Figure 44 is the structural representation of the embodiment 44 of precast hollow slab of the present invention.
Figure 45 is the structural representation of the embodiment 45 of precast hollow slab of the present invention.
Figure 46 is the structural representation of the embodiment 46 of precast hollow slab of the present invention.
Figure 47 is the structural representation of the embodiment 47 of precast hollow slab of the present invention.
Figure 48 is the structural representation of the embodiment 48 of precast hollow slab of the present invention.
Figure 49 is the structural representation of the embodiment 49 of precast hollow slab of the present invention.
Figure 50 is the structural representation of the embodiment 50 of precast hollow slab of the present invention.
Figure 51 is the structural representation of the embodiment 51 of precast hollow slab of the present invention.
Figure 52 is the structural representation of the embodiment 52 of precast hollow slab of the present invention.
Figure 53 is the structural representation of the embodiment 53 of precast hollow slab of the present invention.
Figure 54 is the structural representation of the embodiment 54 of precast hollow slab of the present invention.
Figure 55 is the structural representation of the embodiment 55 of precast hollow slab of the present invention.
Figure 56 is the structural representation of the embodiment 56 of precast hollow slab of the present invention.
Figure 57 is the structural representation of the embodiment 57 of precast hollow slab of the present invention.
Figure 58 is the structural representation of the embodiment 58 of precast hollow slab of the present invention.
Figure 59 is the structural representation of the embodiment 59 of precast hollow slab of the present invention.
Figure 60 is the structural representation of the embodiment 60 of precast hollow slab of the present invention.
Figure 61 is the structural representation of the embodiment 1 of precast hollow slab manufacturing process mould of the present invention.
Figure 62 is the structural representation of the embodiment 2 of precast hollow slab manufacturing process mould of the present invention.
Figure 63 is the structural representation of the embodiment 3 of precast hollow slab manufacturing process mould of the present invention.
Figure 64 is the structural representation of the embodiment 4 of precast hollow slab manufacturing process mould of the present invention.
Figure 65 is one of structural representation of precast hollow slab manufacturing process process of the present invention.
Figure 66 be precast hollow slab manufacturing process process of the present invention structural representation two.
Figure 67 be precast hollow slab manufacturing process process of the present invention structural representation three.
Figure 68 be precast hollow slab manufacturing process process of the present invention structural representation four.
Figure 69 be precast hollow slab manufacturing process process of the present invention structural representation five.
Figure 70 be precast hollow slab manufacturing process process of the present invention structural representation six.
Figure 71 be precast hollow slab manufacturing process process of the present invention structural representation seven.
Figure 72 be precast hollow slab manufacturing process process of the present invention structural representation eight.
Figure 73 be precast hollow slab manufacturing process process of the present invention structural representation nine.
Figure 74 be precast hollow slab manufacturing process process of the present invention structural representation ten.
Figure 75 be precast hollow slab manufacturing process process of the present invention structural representation 11.
Figure 76 be precast hollow slab manufacturing process process of the present invention structural representation 12.
Figure 77 is one of precast hollow slab of the present invention structural representation of using hollow building (room) lid that forms.
Figure 78 is two of a precast hollow slab of the present invention structural representation of using hollow building (room) lid that forms.
Figure 79 is three of a precast hollow slab of the present invention structural representation of using hollow building (room) lid that forms.
Figure 80 is four of a precast hollow slab of the present invention structural representation of using hollow building (room) lid that forms.
Figure 81 is five of a precast hollow slab of the present invention structural representation of using hollow building (room) lid that forms.
Figure 82 is six of a precast hollow slab of the present invention structural representation of using hollow building (room) lid that forms.
Figure 83 is seven of a precast hollow slab of the present invention structural representation of using hollow building (room) lid that forms.
Figure 84 is eight of a precast hollow slab of the present invention structural representation of using hollow building (room) lid that forms.
Figure 85 is nine of a precast hollow slab of the present invention structural representation of using hollow building (room) lid that forms.
Figure 86 is ten of a precast hollow slab of the present invention structural representation of using hollow building (room) lid that forms.
Figure 87 is 11 of a precast hollow slab of the present invention structural representation of using hollow building (room) lid that forms.
Figure 88 is 12 of a precast hollow slab of the present invention structural representation of using hollow building (room) lid that forms.
Figure 89 is 13 of a precast hollow slab of the present invention structural representation of using hollow building (room) lid that forms.
Figure 90 is 14 of a precast hollow slab of the present invention structural representation of using hollow building (room) lid that forms.
Figure 91 is 15 of a precast hollow slab of the present invention structural representation of using hollow building (room) lid that forms.
Figure 92 is 16 of a precast hollow slab of the present invention structural representation of using hollow building (room) lid that forms.
Figure 93 is 17 of a precast hollow slab of the present invention structural representation of using hollow building (room) lid that forms.
Figure 94 is 18 of a precast hollow slab of the present invention structural representation of using hollow building (room) lid that forms.
Figure 95 is 19 of a precast hollow slab of the present invention structural representation of using hollow building (room) lid that forms.
Figure 96 is 20 of a precast hollow slab of the present invention structural representation of using hollow building (room) lid that forms.
Figure 97 is 21 of a precast hollow slab of the present invention structural representation of using hollow building (room) lid that forms.
Figure 98 is 22 of a precast hollow slab of the present invention structural representation of using hollow building (room) lid that forms.
Figure 99 is 23 of a precast hollow slab of the present invention structural representation of using hollow building (room) lid that forms.
Figure 100 is 24 of a precast hollow slab of the present invention structural representation of using hollow building (room) lid that forms.
Figure 101 is 25 of a precast hollow slab of the present invention structural representation of using hollow building (room) lid that forms.
Figure 102 is 26 of a precast hollow slab of the present invention structural representation of using hollow building (room) lid that forms.
Figure 103 is 27 of a precast hollow slab of the present invention structural representation of using hollow building (room) lid that forms.
Figure 104 is 28 of a precast hollow slab of the present invention structural representation of using hollow building (room) lid that forms.
Figure 105 is 29 of a precast hollow slab of the present invention structural representation of using hollow building (room) lid that forms.
Figure 106 is 30 of a precast hollow slab of the present invention structural representation of using hollow building (room) lid that forms.
Figure 107 is 31 of a precast hollow slab of the present invention structural representation of using hollow building (room) lid that forms.
Figure 108 is 32 of a precast hollow slab of the present invention structural representation of using hollow building (room) lid that forms.
Figure 109 is 33 of a precast hollow slab of the present invention structural representation of using hollow building (room) lid that forms.
(5) specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
The present invention comprises strip plate body 1 as shown in drawings, and the vertical long tube of at least two rows hole 2 is longitudinally arranged in the strip plate body 1, it is characterized in that having at least one cross rib nib, 3 lateral direction penetrating plate bodys 1.In each accompanying drawing, 1 is the strip plate body, and 2 is vertical long tube hole, and 3 is the cross rib nib, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, comprise strip plate body 1, the vertical long tube of many longitudinally rows hole 2 is arranged in the strip plate body 1, wherein also be provided with two cross rib nibs, 3 lateral direction penetrating plate bodys 1.
The present invention as shown in drawings, comprise strip plate body 1, the vertical long tube of at least two rows hole 2 is longitudinally arranged in the strip plate body 1, it is characterized in that having at least one cross rib nib, 3 lateral direction penetrating plate bodys 1, have at least one perpendicular nib 4 to be communicated with cross rib nib 3 downwards above the plate body 1.As shown in Figure 2, its described precast hollow slab comprises strip plate body 1, and long tube hole 2 is longitudinally arranged in the strip plate body 1, and cross rib nib 3 lateral direction penetrating plate bodys 1 are arranged, and also has perpendicular nib 4 to be communicated with cross rib nib 3 downwards above the plate body 1.
The present invention as shown in drawings, comprise strip plate body 1, the vertical long tube of at least two rows hole 2 is longitudinally arranged in the strip plate body 1, it is characterized in that having at least one cross rib nib, 3 lateral direction penetrating plate bodys 1, have at least one perpendicular nib 4 to be communicated with cross rib nib 3 downwards above the plate body 1, and and vertically long tube hole 2 three-dimensionals are crossing.As shown in Figure 3, its described precast hollow slab comprises strip plate body 1, and long tube hole 2 is longitudinally arranged in the strip plate body 1, and cross rib nib 3 lateral direction penetrating plate bodys 1 are arranged, also have the nib of erecting 4 to be communicated with cross rib nibs 3 downwards above the plate body 1, and and vertically long tube hole 2 three-dimensionals are crossing.
The present invention as shown in drawings, comprise strip plate body 1, the vertical long tube of at least two rows hole 2 is longitudinally arranged in the strip plate body 1, it is characterized in that having at least one cross rib nib, 3 lateral direction penetrating plate bodys 1, there is at least one perpendicular nib 4 to be communicated with cross rib nib 3 downwards above the plate body 1, and with vertically long tube hole 2 three-dimensionals are crossing, all perpendicular nib 4 equal three-dimensionals intersect.As shown in Figure 4, its described precast hollow slab comprises strip plate body 1, long tube hole 2 is longitudinally arranged in the strip plate body 1, cross rib nib 3 lateral direction penetrating plate bodys 1 are arranged, also have perpendicular nib 4 to be communicated with cross rib nib 3 downwards above the plate body 1, and with vertically long tube hole 2 three-dimensionals are crossing, all perpendicular nib 4 equal three-dimensionals intersect.
The present invention comprises strip plate body 1 as shown in drawings, and the vertical long tube of at least two rows hole 2 is longitudinally arranged in the strip plate body 1, it is characterized in that having at least one cross rib nib, 3 lateral direction penetrating plate bodys 1, and steel bar anchoring device 5 is arranged in the cross rib nib 3.As shown in Figure 5, its described precast hollow slab comprises strip plate body 1, and long tube hole 2 is longitudinally arranged in the strip plate body 1, and cross rib nib 3 lateral direction penetrating plate bodys 1 are arranged, and steel bar anchoring device 5 is arranged in the cross rib nib 3.Diagram steel bar anchoring device 5 is a wire anchorage spare.
The present invention as shown in drawings, comprise strip plate body 1, the vertical long tube of at least two rows hole 2 is longitudinally arranged in the strip plate body 1, it is characterized in that having at least one cross rib nib, 3 lateral direction penetrating plate bodys 1, an end of the cross rib nib 3 of the side of precast hollow slab have transverse reinforcement is set preset anchor device 5.As shown in Figure 6, its described precast hollow slab comprises strip plate body 1, long tube hole 2 is longitudinally arranged in the strip plate body 1, cross rib nib 3 lateral direction penetrating plate bodys 1 is arranged, an end of the cross rib nib 3 of the side of precast hollow slab have transverse reinforcement is set preset anchor device 5.
The present invention as shown in drawings, comprise strip plate body 1, the vertical long tube of at least two rows hole 2 is longitudinally arranged in the strip plate body 1, it is characterized in that having at least one cross rib nib, 3 lateral direction penetrating plate bodys 1, vertically in the long tube hole 2. at least one horizontal plug-hole spare 6 is arranged, separate cross rib nib 3 and vertical long tube hole 2, the two is not communicated with.As shown in Figure 7, its described precast hollow slab comprises strip plate body 1, and long tube hole 2 is longitudinally arranged in the strip plate body 1, cross rib nib 3 lateral direction penetrating plate bodys 1 are arranged, vertically be provided with horizontal plug-hole spare 6 in the long tube hole 2, separate cross rib nib 3 and vertical long tube hole 2, the two is not communicated with.
The present invention as shown in drawings, comprise strip plate body 1, the vertical long tube of at least two rows hole 2 is longitudinally arranged in the strip plate body 1, it is characterized in that having at least one cross rib nib, 3 lateral direction penetrating plate bodys 1, vertically in the long tube hole 2 at least one horizontal plug-hole spare 6 is arranged, separate cross rib nib 3 and vertical long tube hole 2, the two is not communicated with, part vertically long tube hole 2 connects and composes crossing hole with cross rib nib 3.As shown in Figure 8, its described precast hollow slab comprises strip plate body 1, long tube hole 2 is longitudinally arranged in the strip plate body 1, cross rib nib 3 lateral direction penetrating plate bodys 1 are arranged, vertically also be provided with horizontal plug-hole spare 6 in the long tube hole 2, separate cross rib nib 3 and vertical long tube hole 2, the two is not communicated with, part vertically long tube hole 2 connects and composes crossing hole with cross rib nib 3.
The present invention as shown in drawings, comprise strip plate body 1, the vertical long tube of at least two rows hole 2 is longitudinally arranged in the strip plate body 1, it is characterized in that precast hollow slab is extrusion molding, at least one cross rib nib, 3 lateral direction penetrating plate bodys 1 are arranged, and cross rib nib 3 is to extract the nib that unhardened wet concrete forms.As shown in Figure 8, its described precast hollow slab comprises strip plate body 1, and long tube hole 2 is longitudinally arranged in the strip plate body 1, and precast hollow slab is extrusion molding, also have cross rib nib 3 lateral direction penetrating plate bodys 1, cross rib nib 3 is to extract the nib that unhardened wet concrete forms.
The present invention as shown in drawings, comprise strip plate body 1, the vertical long tube of at least two rows hole 2 is longitudinally arranged in the strip plate body 1, it is characterized in that precast hollow slab is extrusion molding, there is at least one perpendicular nib 4 to be communicated with cross rib nib 3 downwards above the plate body 1, at least one cross rib nib, 3 lateral direction penetrating plate bodys 1 are arranged, and cross rib nib 3 is to extract the nib that unhardened wet concrete forms, and perpendicular nib 4 is also for extracting the perpendicular nib 4 that wet concrete forms.As shown in Figure 9, its described precast hollow slab comprises strip plate body 1, long tube hole 2 is longitudinally arranged in the strip plate body 1, precast hollow slab is extrusion molding, also be provided with perpendicular nib 4 above the plate body 1 and be communicated with cross rib nib 3 downwards, cross rib nib 3 lateral direction penetrating plate bodys 1, cross rib nib 3 are to extract the nib that unhardened wet concrete forms, and perpendicular nib 4 is also for extracting the perpendicular nib 4 that wet concrete forms.
The present invention as shown in drawings, comprise strip plate body 1, the vertical long tube of at least two rows hole 2 is longitudinally arranged in the strip plate body 1, it is characterized in that having at least one cross rib nib, 3 lateral direction penetrating plate bodys 1, one end of the cross rib nib 3 of the side of precast hollow slab have transverse reinforcement is set preset anchor device 5, anchor device 5 is adjustable anchor device 5.As shown in Figure 9, its described precast hollow slab comprises strip plate body 1, long tube hole 2 is longitudinally arranged in the strip plate body 1, cross rib nib 3 lateral direction penetrating plate bodys 1, one end of the cross rib nib 3 of the side of precast hollow slab have transverse reinforcement is set preset anchor device 5, anchor device 5 is adjustable anchor device 5.
The present invention as shown in drawings, comprise strip plate body 1, the vertical long tube of at least two rows hole 2 is longitudinally arranged in the strip plate body 1, it is characterized in that having at least one cross rib nib, 3 lateral direction penetrating plate bodys 1, one end of the cross rib nib 3 of the side of precast hollow slab have transverse reinforcement is set preset anchor device 5, anchor device 5 links to each other with longitudinal bar 7 in the hollowcore slab.As shown in figure 10, its described precast hollow slab comprises strip plate body 1, long tube hole 2 is longitudinally arranged in the strip plate body 1, cross rib nib 3 lateral direction penetrating plate bodys 1, one end of the cross rib nib 3 of the side of precast hollow slab have transverse reinforcement is set preset anchor device 5, anchor device 5 links to each other with longitudinal bar 7 in the hollowcore slab.Diagram steel bar anchoring device 5 is a wire anchorage spare.
The present invention comprises strip plate body 1 as shown in drawings, and the vertical long tube of at least two rows hole 2 is longitudinally arranged in the strip plate body 1, it is characterized in that having at least one cross rib nib, 3 lateral direction penetrating plate bodys 1, and cross rib nib 3 is formed by the non-core 8 of loosing core.As shown in figure 11, its described precast hollow slab comprises strip plate body 1, and long tube hole 2 is longitudinally arranged in the strip plate body 1, and cross rib nib 3 lateral direction penetrating plate bodys 1 are arranged, and cross rib nib 3 is formed by the non-core 8 of loosing core.
The present invention as shown in drawings, comprise strip plate body 1, the vertical long tube of at least two rows hole 2 is longitudinally arranged in the strip plate body 1, it is characterized in that having at least one cross rib nib, 3 lateral direction penetrating plate bodys 1, there is at least one perpendicular nib 4 to be communicated with cross rib nib 3 downwards above the plate body 1, perpendicular nib 4 constitutes the overlapping layers nib or/and cross rib nib 3 is formed by the non-core 8 of loosing core.As shown in figure 12, its described precast hollow slab comprises strip plate body 1, long tube hole 2 is longitudinally arranged in the strip plate body 1, cross rib nib 3 lateral direction penetrating plate bodys 1 are arranged, also be provided with perpendicular nib 4 above the plate body 1 and be communicated with cross rib nib 3 downwards, perpendicular nib 4 and cross rib nib 3 are formed by the non-core 8 of loosing core, and constitute the overlapping layers nib.
The present invention comprises strip plate body 1 as shown in drawings, and the vertical long tube of at least two rows hole 2 is longitudinally arranged in the strip plate body 1, it is characterized in that having at least one cross rib nib, 3 lateral direction penetrating plate bodys 1, and vertically long tube hole 2 is that non-core-drawing pore-creating core 8 forms.As shown in figure 13, its described precast hollow slab comprises strip plate body 1, and long tube hole 2 is longitudinally arranged in the strip plate body 1, and cross rib nib 3 lateral direction penetrating plate bodys 1 are arranged, and vertically long tube hole 2 is that non-core-drawing pore-creating core 8 forms.
The present invention as shown in drawings, comprise strip plate body 1, the vertical long tube of at least two rows hole 2 is longitudinally arranged in the strip plate body 1, it is characterized in that having at least one cross rib nib, 3 lateral direction penetrating plate bodys 1, have at least one perpendicular nib 4 to be communicated with cross rib nib 3, vertical long tube hole 2 downwards above the plate body 1, perpendicular nib 4, vertical long tube hole 2 are or/and the overlapping layers hole that cross rib nib 3 forms for the non-core 8 of loosing core.As shown in figure 14, its described precast hollow slab comprises strip plate body 1, long tube hole 2 is longitudinally arranged in the strip plate body 1, cross rib nib 3 lateral direction penetrating plate bodys 1 are arranged, also be provided with above the plate body 1 and erect nib 4 connection cross rib nibs 3, vertical long tube holes 2 downwards, perpendicular nib 4, vertical long tube hole 2 and cross rib nib 3 are the overlapping layers hole of non-core 8 formation of loosing core.
The present invention as shown in drawings, comprise strip plate body 1, the vertical long tube of at least two rows hole 2 is longitudinally arranged in the strip plate body 1, it is characterized in that having at least one cross rib nib, 3 lateral direction penetrating plate bodys 1, there is at least one perpendicular nib 4 to be communicated with cross rib nib 3, vertical long tube hole 2 downwards above the plate body 1, perpendicular nib 4, vertical long tube hole 2 are or/and cross rib nib 3 is the overlapping layers hole that the non-core 8 of loosing core forms, and core 8 is porose core mold plate.As shown in figure 15, its described precast hollow slab comprises strip plate body 1, long tube hole 2 is longitudinally arranged in the strip plate body 1, cross rib nib 3 lateral direction penetrating plate bodys 1 are arranged, also be provided with perpendicular nib 4 above the plate body 1 and be communicated with cross rib nib 3, vertical long tube hole 2 downwards, the overlapping layers hole that perpendicular nib 4, vertical long tube hole 2 and cross rib nib 3 form for the non-core 8 of loosing core, core 8 is porose core mold plate.
The present invention comprises strip plate body 1 as shown in drawings, and the vertical long tube of at least two rows hole 2 is longitudinally arranged in the strip plate body 1, it is characterized in that having at least one cross rib nib, 3 lateral direction penetrating plate bodys 1, and vertically long tube hole 2 upper plate bodies have at least one place disjunctor.As shown in figure 16, its described precast hollow slab comprises strip plate body 1, and long tube hole 2 is longitudinally arranged in the strip plate body 1, and cross rib nib 3 lateral direction penetrating plate bodys 1 are arranged, and vertically long tube hole 2 upper plate bodies have the many places disjunctor.
The present invention as shown in drawings, comprise strip plate body 1, the vertical long tube of at least two rows hole 2 is longitudinally arranged in the strip plate body 1, it is characterized in that having at least one cross rib nib, 3 lateral direction penetrating plate bodys 1, vertical long tube hole 2 lower body disjunctors, on the vertical long tube of the longitudinal tubule (L tubule) hole 2 the vertical disjunctor at least one place is arranged, on the vertical rib 9 that vertical disjunctor is 2 in vertical long tube hole, connect by connector 10.As shown in figure 17, its described precast hollow slab comprises strip plate body 1, long tube hole 2 is longitudinally arranged in the strip plate body 1, cross rib nib 3 lateral direction penetrating plate bodys 1 are arranged, vertically long tube hole 2 lower body disjunctors have the vertical disjunctor in many places on the vertical long tube of the longitudinal tubule (L tubule) hole 2, on the vertical rib 9 that vertical disjunctor is 2 in vertical long tube hole, connected by connector 10, diagram connector 10 is that the material of hollow pre-fabricated panels itself is integrally formed.
The present invention as shown in drawings, comprise strip plate body 1, the vertical long tube of at least two rows hole 2 is longitudinally arranged in the strip plate body 1, it is characterized in that having at least one cross rib nib, 3 lateral direction penetrating plate bodys 1, vertical long tube hole 2 lower body disjunctors, vertically on the long tube hole 2 the vertical disjunctor at least one place is arranged, vertically disjunctor on the vertical rib 9 of edges of boards, is connected by connector 10 outside vertical long tube hole 2.As shown in figure 18, its described precast hollow slab comprises strip plate body 1, long tube hole 2 is longitudinally arranged in the strip plate body 1, cross rib nib 3 lateral direction penetrating plate bodys 1 are arranged, vertically long tube hole 2 lower body disjunctors vertically have the vertical disjunctor in many places on the long tube hole 2, and vertically disjunctor edges of boards outside vertical long tube hole 2 are indulged on the rib 9, connected by connector 10, diagram connector 10 is that the material of hollow pre-fabricated panels itself is integrally formed.
The present invention as shown in drawings, comprise strip plate body 1, the vertical long tube of at least two rows hole 2 is longitudinally arranged in the strip plate body 1, it is characterized in that having at least one cross rib nib, 3 lateral direction penetrating plate bodys 1, vertical long tube hole 2 lower body disjunctors, vertically on the long tube hole 2 the vertical disjunctor at least one place is arranged, connector 10 is connectors of reinforcing.As shown in figure 19, its described precast hollow slab comprises strip plate body 1, and long tube hole 2 is longitudinally arranged in the strip plate body 1, cross rib nib 3 lateral direction penetrating plate bodys 1 are arranged, vertically long tube hole 2 lower body disjunctors vertically have the vertical disjunctor in many places on the long tube hole 2, and connector 10 is connectors of reinforcing.
The present invention as shown in drawings, comprise strip plate body 1, the vertical long tube of at least two rows hole 2 is longitudinally arranged in the strip plate body 1, it is characterized in that having at least one cross rib nib, 3 lateral direction penetrating plate bodys 1, vertical long tube hole 2 lower body disjunctors, vertically on the long tube hole 2 the vertical disjunctor at least one place is arranged, at least one diagonal member 11 drawknots are arranged between connector 10 and the upper connector 10 at the bottom of the plate.As shown in figure 20, its described precast hollow slab comprises strip plate body 1, long tube hole 2 is longitudinally arranged in the strip plate body 1, cross rib nib 3 lateral direction penetrating plate bodys 1 are arranged, vertical long tube hole 2 lower body disjunctors, vertically on the long tube hole 2 the vertical disjunctor in many places is arranged, diagonal member 11 drawknots are arranged between connector 10 and the upper connector 10 at the bottom of the plate.
The present invention as shown in drawings, comprise strip plate body 1, the vertical long tube of at least two rows hole 2 is longitudinally arranged in the strip plate body 1, it is characterized in that having at least one cross rib nib, 3 lateral direction penetrating plate bodys 1, vertically long tube hole 2 lower body disjunctors vertically have the vertical disjunctor at least one place on the long tube hole 2, and connector 10 is reinforced, be arranged on cross rib nib 3 around, reinforce ringwise.As shown in figure 21, its described precast hollow slab comprises strip plate body 1, long tube hole 2 is longitudinally arranged in the strip plate body 1, cross rib nib 3 lateral direction penetrating plate bodys 1 are arranged, vertically long tube hole 2 lower body disjunctors vertically have the vertical disjunctor in many places on the long tube hole 2, and connector 10 is reinforced, be arranged on cross rib nib 3 around, reinforce ringwise.
Feature of the present invention is that also described hollowcore slab lower plate has longitudinal prestressing reinforcing bar 7.As Figure 22, shown in Figure 23, its described hollowcore slab lower plate has longitudinal prestressing reinforcing bar 7.
Feature of the present invention is that also reinforcing bar 7 is longitudinally arranged in the described vertical rib 9.As Figure 24, shown in Figure 25, in its described vertical rib 9 reinforcing bar 7 is longitudinally arranged.
Feature of the present invention is that also the reinforcing bar longitudinally 7 in the described vertical rib 9 is prestressed reinforcement 7 longitudinally.As Figure 26, shown in Figure 27, the reinforcing bar longitudinally 7 in its described vertical rib 9 is prestressed reinforcement 7 longitudinally.
Feature of the present invention is that also described longitudinal reinforcement 7 stretches out connector 10 and stretches in the cross rib nib 3.As shown in figure 28, its described longitudinal reinforcement 7 stretches out connector 10 and stretches in the cross rib nib 3.
Feature of the present invention is that also described longitudinal reinforcement 7 stretches out connector 10 and stretches in vertical long tube hole 2.As shown in figure 29, its described longitudinal reinforcement 7 stretches out connector 10 and stretches in vertical long tube hole 2.
Feature of the present invention is that also described longitudinal reinforcement 7 is steel bar girder or bar frame.As shown in figure 30, its described longitudinal reinforcement 7 is a bar frame.
Feature of the present invention is that also the described cross rib nib 3 and the axial line in vertical long tube hole 2 intersect.As shown in figure 31, its described cross rib nib 3 intersects with the axial line in vertical long tube hole 2.
Feature of the present invention also is the axial line grade separation in described cross rib nib 3 and vertical long tube hole 2.As Figure 32, shown in Figure 33, the axial line grade separation in its described cross rib nib 3 and vertical long tube hole 2.
Feature of the present invention also is the cross section of the cross section of described cross rib nib 3 less than vertical long tube hole 2.As shown in figure 34, the cross section of its described cross rib nib 3 is less than the cross section in vertical long tube hole 2.
Feature of the present invention is that also described same hollowcore slab has at least three row's above cross rib nibs 3 parallel.As shown in figure 35, it is parallel that its described same hollowcore slab has three row's cross rib nibs 3.
Feature of the present invention is that also described same hollowcore slab has at least three row's above cross rib nibs 3 parallel, simultaneously and the above vertically long tube hole 2 of at least three rows intersect.As shown in figure 35, its described same hollowcore slab has three row's cross rib nibs 3 parallel, intersects with the vertical long tube of many rows hole 2 simultaneously.
Feature of the present invention is that also described cross rib nib 3 runs through the vertical long tube of at least two rows hole 2.As shown in figure 36, its described cross rib nib 3 runs through the vertical long tube of two rows hole 2.
Feature of the present invention is that also described cross rib nib 3 runs through the vertical rib 9 of at least two rows.As shown in figure 37, its described cross rib nib 3 runs through the vertical rib 9 of two rows.
Feature of the present invention also is described cross rib nib 3 and the hole of vertical long tube hole 2 for being shaped simultaneously.As shown in figure 37, its described cross rib nib 3 is the hole that is shaped simultaneously with vertical long tube hole 2.
Feature of the present invention is that also described cross rib nib 3 is that back cutter is worn or the back boring and forming of hardening.As shown in figure 38, its described cross rib nib 3 back cutters are worn and are formed.
Feature of the present invention also is described cross rib nib 3 and vertically between the long tube hole 2 interlayer 11 is arranged.As Figure 39, shown in Figure 40, between its described cross rib nib 3 and the vertical long tube hole 2 interlayer 11 is arranged.
Feature of the present invention is that also there is interlayer 11 described cross rib nib 3 both sides respectively and between vertical long tube hole, both sides 2.As shown in figure 41, there is interlayer 11 its described cross rib nib 3 both sides respectively and between vertical long tube hole, both sides 2.
Feature of the present invention also is in described coaxial vertical long tube hole 2 at least two interlayers 11 are arranged.As shown in figure 42, in its described coaxial vertical long tube hole 2 a plurality of interlayers 11 are arranged.
Feature of the present invention is that also the interlayer 11 in described coaxial vertical long tube hole 2 is parallel.As shown in figure 43, the interlayer 11 in its described coaxial vertical long tube hole 2 is parallel.
Feature of the present invention is that also the interlayer 11 in the vertical long tube of the described disalignment hole 2 is parallel.As shown in figure 44, the interlayer 11 in the vertical long tube of its described disalignment hole 2 is parallel.
Feature of the present invention is that also the interlayer 11 of described coaxial cross rib nib 3 is on same straight line.As shown in figure 45, the interlayer 11 of its described coaxial cross rib nib 3 is on same straight line.
Feature of the present invention is that also the interlayer 11 of described coaxial cross rib nib 3 is parallel.As shown in figure 46, the interlayer 11 of its described coaxial cross rib nib 3 is parallel.
Feature of the present invention is that also described interlayer 11 indents are in vertical long tube hole 2.As shown in figure 46, its described interlayer 11 indents are in vertical long tube hole 2.
Feature of the present invention is that also the interlayer 11 in described at least two vertical long tube holes 2 is disjunctor interlayers of disjunctor.As shown in figure 47, the interlayer 11 in its described a plurality of vertical long tubes hole 2 is disjunctor interlayers of disjunctor.
Feature of the present invention is that also described interlayer 11 is movable interlayers, or detachable interlayer.As shown in figure 48, its described interlayer 11 is movable interlayers.
Feature of the present invention is that also described interlayer 11 and hollowcore slab are integral body.As shown in figure 49, its described interlayer 11 is whole with hollowcore slab.
Feature of the present invention is that also described cross rib nib 3 peripheries have rinforcement bar 12.As shown in figure 50, its described cross rib nib 3 peripheries have rinforcement bar 12.
Feature of the present invention is that also described rinforcement bar 12 is the reinforcing ring muscle.Shown in Figure 51, its described rinforcement bar 12 is the reinforcing ring muscle.
Feature of the present invention also is in the described cross rib nib 3 web member 13 is arranged.Shown in Figure 52, Figure 53, in its described cross rib nib 3 web member 13 is arranged.
Feature of the present invention is that also described web member 13 is the diagonal web member or the web member that intersects.Shown in Figure 54, its described web member 13 is for intersecting web member.
Feature of the present invention is that also cross rib groove 14 is arranged on the described hollowcore slab.Shown in Figure 55, on its described hollowcore slab cross rib groove 14 is arranged.
Feature of the present invention is that also pull bar 11 or truss 15 are arranged in the described cross rib groove 14.Shown in Figure 56, in its described cross rib groove 14 pull bar 11 is arranged.
Feature of the present invention is that also described hollowcore slab has cross rib cavity 16.Shown in Figure 57, its described hollowcore slab has cross rib cavity 16.
Feature of the present invention is that also described cross rib cavity 16 has pull bar 11 or truss 15.Shown in Figure 58, its described cross rib cavity 16 has truss 15.
Feature of the present invention is that also described cross rib cavity 16 stretches at least one 2 interior connection of vertical long tube hole of at least one side, forms vertical arm cavity.Shown in Figure 59, its described cross rib cavity 16 stretches into 2 interior connections of vertical long tube hole of a side, forms vertical arm cavity.
Feature of the present invention is that also described cross rib cavity 16 relative both sides stretch in vertical long tube hole 2, forms cross pipe cavity.Shown in Figure 60, its described cross rib cavity 16 relative both sides are stretched in vertical long tube hole 2, form cross pipe cavity.
Feature of the present invention also is a plurality of the stretching in vertical long tube hole 2 in both sides that described cross rib cavity 16 is relative, forms a plurality of cross pipe cavitys.Shown in Figure 60, a plurality of the stretching in vertical long tube hole 2 in both sides that its described cross rib cavity 16 is relative forms a plurality of cross pipe cavitys.
The present invention comprises two framed 17, two Side Templates 18 in limit as shown in drawings, and the pore 19 of punching pipe is arranged on the Side Template 18, and it is characterized in that having on the limit framed 17 between fastening devices 21, two Side Templates 18 of fixed lateral rib mould 20 has at least one cross rib mould 20.Shown in Figure 61, a kind of mould of precast hollow slab comprises two framed 17, two Side Templates 18 in limit, and the pore 19 of punching pipe is arranged on the Side Template 18, has on the limit framed 17 between fastening devices 21, two Side Templates 18 of fixed lateral rib mould 20 to be provided with cross rib mould 20.
The present invention comprises two framed 17, two Side Templates 18 in limit as shown in drawings, the pore 19 that the punching pipe is arranged on the Side Template 18, it is characterized in that having on the limit framed 17 between fastening devices 21, two Side Templates 18 of fixed lateral rib mould 20 at least one cross rib mould 20 is arranged, cross rib mould 20 is breathing moulds.Shown in Figure 62, a kind of mould of precast hollow slab comprises two framed 17, two Side Templates 18 in limit, the pore 19 that the punching pipe is arranged on the Side Template 18, have on the limit framed 17 between fastening devices 21, two Side Templates 18 of fixed lateral rib mould 20 cross rib mould 20 is arranged, cross rib mould 20 is breathing moulds.
The present invention as shown in drawings, comprise two limits framed 17, two Side Templates 18, the pore 19 that the punching pipe is arranged on the Side Template 18, it is characterized in that having on the limit framed 17 fastening devices 21 of fixed lateral rib mould 20, at least one cross rib mould 20 is arranged between two Side Templates 18, and cross rib mould 20 is removable or/and relatively-movable flexible mould.Shown in Figure 63, a kind of mould of precast hollow slab comprises two limits framed 17, two Side Templates 18, the pore 19 that the punching pipe is arranged on the Side Template 18, have on the limit framed 17 between fastening devices 21, two Side Templates 18 of fixed lateral rib mould 20 cross rib mould 20 is arranged, cross rib mould 20 is removable flexible moulds, shown in Figure 64, a kind of mould of precast hollow slab is relatively-movable flexible mould.
Shown in Figure 65, Figure 66, Figure 67, a kind of step of manufacturing process of precast hollow slab is as follows:
1) extrusion molding through hole slab is shown in Figure 65;
2) dig cross rib nib 3, shown in Figure 66;
3) dig perpendicular nib 4, shown in Figure 67;
4) stifled vertical long tube hole 2 is shown in Figure 67;
2), 3), 4) order can be adjusted variation.
Shown in Figure 68, Figure 69, Figure 70, a kind of step of manufacturing process of precast hollow slab is as follows:
1) with mould frame moulding by casting through hole slab, shown in Figure 68;
2) dig cross rib nib 3, shown in Figure 69;
3) dig perpendicular nib 4, shown in Figure 70;
4) stifled vertical long tube hole 2;
2), 3), 4) order can be adjusted variation.
Shown in Figure 71, Figure 72, Figure 73, Figure 74, Figure 75, Figure 76, a kind of step of manufacturing process of precast hollow slab is as follows:
1) limit framed 17 and Side Template 18 are set, shown in Figure 71, Figure 72;
2) place intermediate lateral rib mould 20, shown in Figure 71, Figure 72;
3) pour concrete;
4) pipe die 22 of loosing core, off-clip mould 17 and cross rib mould 20 are shown in Figure 71, Figure 72, Figure 73.
Precast hollow slab of the present invention is used hollow building (room) lid that forms, comprise load bearing wall 23 or/and beam 24, precast hollow slab 25, precast hollow slab 25 two ends are arranged on load bearing wall 23 or/and on the beam 24, precast hollow slab 25 and load bearing wall 23 are or/and beam 24 forms whole each other, precast hollow slab 25 comprises strip plate body 1, the vertical long tube of at least two rows hole 2 is longitudinally arranged in the strip plate body, it is characterized in that in the strip plate body 1 of precast hollow slab 25 at least one cross rib nib, 3 lateral direction penetrating plate bodys 1 being arranged, Cast-in-place concrete has formed horizontal Cast-in-place concrete rib 26 in cross rib nib 3, and forms whole with precast hollow slab 25.As Figure 77, Figure 80, Figure 83, Figure 86, Figure 89, Figure 92, Figure 95, Figure 98, Figure 101, Figure 104, shown in Figure 107, its described precast hollow slab is used hollow building (room) lid that forms, comprise load bearing wall 23 and beam 24, precast hollow slab 25, precast hollow slab 25 two ends are arranged on load bearing wall 23 and the beam 24, precast hollow slab 25 forms whole with load bearing wall 23 and beam 24 each other, precast hollow slab 25 comprises strip plate body 1, the vertical long tube of many longitudinally rows hole 2 is arranged in the strip plate body 1, cross rib nib 3 lateral direction penetrating plate bodys 1 are arranged in the strip plate body 1 of precast hollow slab 25, Cast-in-place concrete has formed horizontal Cast-in-place concrete rib 26 in cross rib nib 3, and forms whole with precast hollow slab 25.
Hollow building of the present invention (room) lid is that also described precast hollow slab 25 is vertically arranged with vertical Cast-in-place concrete rib 27 each other, and forms whole with precast hollow slab 25, horizontal Cast-in-place concrete rib 26.Shown in Figure 78, Figure 81, Figure 84, Figure 87, Figure 90, Figure 93, Figure 96, Figure 99, Figure 102, Figure 105, Figure 108, its described precast hollow slab 25 is vertically arranged with vertical Cast-in-place concrete rib 27 each other, and forms whole with precast hollow slab 25, horizontal Cast-in-place concrete rib 26.
Hollow building of the present invention (room) lid also is described vertical Cast-in-place concrete rib 27, laterally contains reinforcing bar or prestressed reinforcement 28 in the Cast-in-place concrete rib 26.Shown in Figure 78, Figure 81, Figure 84, Figure 87, Figure 90, Figure 93, Figure 96, Figure 99, Figure 102, Figure 105, Figure 108, contain reinforcing bar 28 in its described vertical Cast-in-place concrete rib 27, the horizontal Cast-in-place concrete rib 26.
Hollow building of the present invention (room) covers between the two ends that also are described precast hollow slab 25 and is provided with horizontal Cast-in-place concrete rib 26.Shown in Figure 78, Figure 81, Figure 84, Figure 87, Figure 90, Figure 93, Figure 96, Figure 99, Figure 102, Figure 105, Figure 108, be provided with horizontal Cast-in-place concrete rib 26 between the two ends of its described precast hollow slab 25.
Hollow building of the present invention (room) covers to fold on the upper surface that also is described precast hollow slab 25 one deck Cast-in-place concrete floor 29, and forms integral body with vertical Cast-in-place concrete rib 27 and horizontal Cast-in-place concrete rib 26.Shown in Figure 79, Figure 82, Figure 85, Figure 88, Figure 91, Figure 94, Figure 97, Figure 100, Figure 103, Figure 106, Figure 109, folded on the upper surface of its described precast hollow slab 25 have one deck Cast-in-place concrete layer 29, and form whole with vertical Cast-in-place concrete rib 27 and horizontal Cast-in-place concrete rib 26.
Hollow building of the present invention (room) lid is that also described Cast-in-place concrete floor 29 contains reinforcing bar 28.Shown in Figure 79, its described Cast-in-place concrete layer 29 contains reinforcing bar 28.
Hollow building of the present invention (room) covers in the vertical long tube hole 2 that also is described precast hollow slab 25 and is provided with plug-hole spare 6.Shown in Figure 79, Figure 82, Figure 85, Figure 88, Figure 91, Figure 94, Figure 97, Figure 100, Figure 103, Figure 106, Figure 109, be provided with plug-hole spare 6 in vertical long tube hole 2 of its described precast hollow slab 25.
Hollow building of the present invention (room) covers to fold on the upper surface that also is described precast hollow slab 25 one deck Cast-in-place concrete floor 29, and forms whole with vertical Cast-in-place concrete rib 27.Shown in Figure 79, Figure 82, Figure 85, Figure 88, Figure 91, Figure 94, Figure 97, Figure 100, Figure 103, Figure 106, Figure 109, folded on the upper surface of its described precast hollow slab 25 have one deck Cast-in-place concrete layer 29, and form whole with vertical Cast-in-place concrete rib 27.
Hollow building of the present invention (room) lid is that also described Cast-in-place concrete floor 29 contains reinforcing bar 28.Shown in Figure 79, Figure 82, Figure 85, Figure 88, Figure 91, Figure 94, Figure 97, Figure 100, Figure 103, Figure 106, Figure 109, its described Cast-in-place concrete layer 29 contains reinforcing bar 28.
Hollow building of the present invention (room) lid also is also to be provided with the dark beam 30 of cast-in-situ reinforced concrete in described hollow building (room) lid.Shown in Figure 109, also be provided with cast in place reinforced bar concrete hidden rib 30 in its described hollow building (room) lid.

Claims (10)

1, a kind of precast hollow slab comprises strip plate body (1), and at least two row vertical long tube holes (2) are longitudinally arranged in the strip plate body (1), it is characterized in that having at least one cross rib nib (3) lateral direction penetrating plate body (1).
2, a kind of precast hollow slab, comprise strip plate body (1), at least two row vertical long tube holes (2) are longitudinally arranged in the strip plate body (1), it is characterized in that having at least one cross rib nib (3) lateral direction penetrating plate body (1), have at least one perpendicular nib (4) to be communicated with cross rib nib (3) downwards above the plate body (1).
3, a kind of precast hollow slab, comprise strip plate body (1), at least two row vertical long tube holes (2) are longitudinally arranged in the strip plate body (1), it is characterized in that having at least one cross rib nib (3) lateral direction penetrating plate body (1), there is at least one perpendicular nib (4) to be communicated with cross rib nib (3) downwards above the plate body (1), and with vertically long tube hole (2) three-dimensional is crossing; At least one cross rib nib (3) lateral direction penetrating plate body (1) is perhaps arranged, have at least one perpendicular nib (4) to be communicated with cross rib nib (3) downwards above the plate body (1), and with vertically long tube hole (2) three-dimensional is crossing, all perpendicular nibs (4) all three-dimensional intersect; At least one cross rib nib (3) lateral direction penetrating plate body (1) is perhaps arranged, steel bar anchoring device (5) is arranged in the cross rib nib (3); At least one cross rib nib (3) lateral direction penetrating plate body (1) is perhaps arranged, an end of the cross rib nib (3) of the side of precast hollow slab have transverse reinforcement is set preset anchor device (5); At least one cross rib nib (3) lateral direction penetrating plate body (1) is perhaps arranged, vertically in the long tube hole (2) at least one horizontal plug-hole spare (6) is arranged, separate cross rib nib (3) and vertical long tube hole (2), the two is not communicated with; At least one cross rib nib (3) lateral direction penetrating plate body (1) is perhaps arranged, vertically in the long tube hole (2) at least one horizontal plug-hole spare (6) is arranged, separate cross rib nib (3) and vertical long tube hole (2), the two is not communicated with, and part vertically long tube hole (2) connects and composes crossing hole with cross rib nib (3); Perhaps precast hollow slab is extrusion molding, and at least one cross rib nib (3) lateral direction penetrating plate body (1) is arranged, and cross rib nib (3) is to extract the nib that unhardened wet concrete forms; Perhaps precast hollow slab is extrusion molding, there is at least one perpendicular nib (4) to be communicated with cross rib nib (3) downwards above the plate body (1), at least one cross rib nib (3) lateral direction penetrating plate body (1) is arranged, cross rib nib (3) is to extract the nib that unhardened wet concrete forms, and perpendicular nib (4) is also for extracting the perpendicular nib (4) that wet concrete forms; At least one cross rib nib (3) lateral direction penetrating plate body (1) is perhaps arranged, an end of the cross rib nib (3) of the side of precast hollow slab have transverse reinforcement is set preset anchor device (5), anchor device (5) is adjustable anchor device (5).
4, a kind of precast hollow slab, comprise strip plate body (1), at least two row vertical long tube holes (2) are longitudinally arranged in the strip plate body (1), it is characterized in that having at least one cross rib nib (3) lateral direction penetrating plate body (1), one end of the cross rib nib (3) of the side of precast hollow slab have transverse reinforcement is set preset anchor device (5), anchor device (5) links to each other with longitudinal bar (7) in the hollowcore slab; At least one cross rib nib (3) lateral direction penetrating plate body (1) is perhaps arranged, and cross rib nib (3) is formed by the non-core of loosing core (8); At least one cross rib nib (3) lateral direction penetrating plate body (1) is perhaps arranged, there is at least one perpendicular nib (4) to be communicated with cross rib nib (3) downwards above the plate body (1), perpendicular nib (4) constitutes the overlapping layers nib or/and cross rib nib (3) is formed by the non-core of loosing core (8); At least one cross rib nib (3) lateral direction penetrating plate body (1) is perhaps arranged, and vertically long tube hole (2) is that non-core-drawing pore-creating core (8) forms; At least one cross rib nib (3) lateral direction penetrating plate body (1) is perhaps arranged, have at least one perpendicular nib (4) to be communicated with cross rib nib (3), vertical long tube hole (2) downwards above the plate body (1), perpendicular nib (4), vertical long tube hole (2) are or/and the overlapping layers hole that cross rib nib (3) forms for the non-core of loosing core (8); At least one cross rib nib (3) lateral direction penetrating plate body (1) is perhaps arranged, there is at least one perpendicular nib (4) to be communicated with cross rib nib (3), vertical long tube hole (2) downwards above the plate body (1), perpendicular nib (4), vertical long tube hole (2) are or/and cross rib nib (3) is the overlapping layers hole that the non-core of loosing core (8) forms, and core (8) is porose core mold plate; At least one cross rib nib (3) lateral direction penetrating plate body (1) is perhaps arranged, and vertically long tube hole (2) upper plate body has at least one place disjunctor; At least one cross rib nib (3) lateral direction penetrating plate body (1) is perhaps arranged, vertical long tube hole (2) lower body disjunctor, the vertical disjunctor at least one place is arranged on the vertical long tube of the longitudinal tubule (L tubule) hole (2), and vertically disjunctor is connected by connector (10) on the vertical rib (9) between vertical long tube hole (2); At least one cross rib nib (3) lateral direction penetrating plate body (1) is perhaps arranged, vertical long tube hole (2) lower body disjunctor, vertically on the long tube hole (2) the vertical disjunctor at least one place is arranged, vertically disjunctor on the vertical rib (9) of edges of boards, is connected by connector (10) outside vertical long tube hole (2); At least one cross rib nib (3) lateral direction penetrating plate body (1) is perhaps arranged, and vertically long tube hole (2) lower body disjunctor vertically has the vertical disjunctor at least one place on the long tube hole (2), and connector (10) is reinforced; At least one cross rib nib (3) lateral direction penetrating plate body (1) is perhaps arranged, vertical long tube hole (2) lower body disjunctor, vertically on the long tube hole (2) the vertical disjunctor at least one place is arranged, at least one diagonal member (11) drawknot is arranged between connector at the bottom of the plate (10) and the upper connector (10); At least one cross rib nib (3) lateral direction penetrating plate body (1) is perhaps arranged, vertically long tube hole (2) lower body disjunctor vertically has the vertical disjunctor at least one place on the long tube hole (2), and connector (10) is reinforced, be arranged on cross rib nib (3) around, reinforce ringwise.
5,, it is characterized in that described hollowcore slab lower plate has longitudinal prestressing reinforcing bar (7) according to the described a kind of precast hollow slab of the arbitrary claim of claim 1 to 4; In the perhaps vertical rib (9) reinforcing bar (7) is longitudinally arranged; Reinforcing bar longitudinally (7) in the perhaps vertical rib (9) is prestressed reinforcement (7) longitudinally; Perhaps longitudinal reinforcement (7) stretches out connector (10) and stretches in the cross rib nib (3); Perhaps longitudinal reinforcement (7) stretches out connector (10) and stretches in vertical long tube hole (2); Perhaps longitudinal reinforcement (7) is steel bar girder or bar frame; Perhaps cross rib nib (3) intersects with the axial line in vertical long tube hole (2); Perhaps cross rib nib (3) and vertically the axial line grade separation in long tube hole (2); Perhaps the cross section of cross rib nib (3) is less than the cross section in vertical long tube hole (2); Perhaps same hollowcore slab has at least three above cross rib nibs of row (3) parallel; Perhaps same hollowcore slab has at least three above cross rib nibs of row (3) parallel, intersects with the above vertically long tube hole (2) of at least three rows simultaneously.
6,, it is characterized in that described cross rib nib (3) runs through at least two row vertical long tube holes (2) according to the described a kind of precast hollow slab of the arbitrary claim of claim 1 to 4; Perhaps cross rib nib (3) runs through the vertical rib (9) of at least two rows; Perhaps cross rib nib (3) is the hole that is shaped simultaneously with vertical long tube hole (2); Perhaps cross rib nib (3) is that back cutter is worn or the back boring and forming of hardening; Perhaps between cross rib nib (3) and the vertical long tube hole (2) interlayer (11) is arranged; Perhaps cross rib nib (3) both sides respectively and interlayer (11) arranged between vertical long tube holes, both sides (2); At least two interlayers (11) are arranged in perhaps coaxial vertical long tube hole (2); Interlayer (11) in perhaps coaxial vertical long tube hole (2) is parallel; Perhaps the interlayer (11) in the vertical long tube of the disalignment hole (2) is parallel; The interlayer (11) of perhaps coaxial cross rib nib (3) is on same straight line; The interlayer (11) of perhaps coaxial cross rib nib (3) is parallel; Perhaps interlayer (11) indent is in vertical long tube hole (2); Perhaps the interlayer (11) at least two vertical long tube holes (2) is the disjunctor interlayer of disjunctor; Perhaps interlayer (11) is movable interlayer, or detachable interlayer; Perhaps interlayer (11) is whole with hollowcore slab.
7,, it is characterized in that described cross rib nib (3) periphery has rinforcement bar (12) according to the described a kind of precast hollow slab of the arbitrary claim of claim 1 to 4; Perhaps rinforcement bar (12) is the reinforcing ring muscle; Perhaps in the cross rib nib (3) web member (13) is arranged; Perhaps web member (13) is the diagonal web member or the web member that intersects; Cross rib groove (14) is perhaps arranged on the hollowcore slab; Pull bar (11) or truss (15) are perhaps arranged in the cross rib groove (14); Perhaps hollowcore slab has cross rib cavity (16); Perhaps cross rib cavity (16) has pull bar (11) or truss (15); Perhaps cross rib cavity (16) stretches into interior connection of at least one vertical long tube hole (2) of at least one side, forms vertical arm cavity; Perhaps the relative both sides of cross rib cavity (16) are stretched in vertical long tube hole (2), form cross pipe cavity; Perhaps the both sides that cross rib cavity (16) is relative are a plurality of stretches in vertical long tube hole (2), forms a plurality of cross pipe cavitys.
8, a kind of precast hollow board mold, comprise two limits framed (17), two Side Templates (18), the pore (19) that the punching pipe is arranged on the Side Template (18), it is characterized in that having on the limit framed (17) fastening devices (21) of fixed lateral rib mould (20), at least one cross rib mould (20) is arranged between two Side Templates (18); The fastening devices (21) of fixed lateral rib mould (20) is perhaps arranged on limit framed (17), at least one cross rib mould (20) is arranged between two Side Templates (18), cross rib mould (20) is the breathing mould; The fastening devices (21) of fixed lateral rib mould (20) is perhaps arranged on limit framed (17), at least one cross rib mould (20) is arranged between two Side Templates (18), cross rib mould (20) is removable or/and relatively-movable flexible mould.
9, a kind of manufacturing process of precast hollow slab:
1) extrusion molding through hole slab
2) dig cross rib nib (3)
3) dig perpendicular nib (4)
4) stifled vertical long tube hole (2)
2), 3), 4) order can be adjusted variation; Perhaps:
1) with mould frame moulding by casting through hole slab
2) cross rib nib (3)
3) dig perpendicular nib (4)
4) stifled vertical long tube hole (2)
2), 3), 4) order can be adjusted variation; Perhaps:
1) limit framed (17) and Side Template (18) are set
2) place intermediate lateral rib mould (20)
3) pour concrete
4) loose core pipe die (22), off-clip mould (17) and cross rib mould (20).
10, use hollow building (room) lid that forms according to the described precast hollow slab of claim 1 to 4, comprise load bearing wall (23) or/and beam (24), precast hollow slab (25), precast hollow slab (25) two ends are arranged on load bearing wall (23) or/and on the beam (24), precast hollow slab (25) and load bearing wall (23) are or/and beam (24) forms whole each other, precast hollow slab (25) comprises strip plate body (1), at least two row vertical long tube holes (2) are longitudinally arranged in the strip plate body, it is characterized in that in the strip plate body (1) of precast hollow slab (25) at least one cross rib nib (3) lateral direction penetrating plate body (1) being arranged, Cast-in-place concrete has formed horizontal Cast-in-place concrete rib (26) in cross rib nib (3), and forms whole with precast hollow slab (25); Perhaps precast hollow slab (25) is vertically arranged with vertical Cast-in-place concrete rib (27) each other, and forms whole with precast hollow slab (25), horizontal Cast-in-place concrete rib (26); Perhaps vertically contain reinforcing bar or prestressed reinforcement (28) in Cast-in-place concrete rib (27), the horizontal Cast-in-place concrete rib (26); Perhaps be provided with horizontal Cast-in-place concrete rib (27) between the two ends of precast hollow slab (25); Perhaps folded on the upper surface of precast hollow slab (25) have one deck Cast-in-place concrete layer (29), and form whole with vertical Cast-in-place concrete rib (27) and horizontal Cast-in-place concrete rib (26); Perhaps Cast-in-place concrete layer (29) contains reinforcing bar (28); Perhaps be provided with plug-hole spare (6) in vertical long tube hole (2) of precast hollow slab (25); Perhaps folded on the upper surface of precast hollow slab (25) have one deck Cast-in-place concrete layer (29), and form whole with vertical Cast-in-place concrete rib (27); Perhaps Cast-in-place concrete layer (29) contains reinforcing bar (28); Also be provided with the dark beam of cast-in-situ reinforced concrete (30) in perhaps hollow building (room) lid.
CN 200510075624 2005-06-01 2005-06-01 Precast hollow slab, production mould, production method and application Pending CN1873135A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101985856A (en) * 2010-11-19 2011-03-16 清华大学建筑设计研究院 Removal-free prefabricated reinforced concrete template with cross holes inside and manufacturing method thereof
CN102877548A (en) * 2011-07-11 2013-01-16 修建 Connecting device between building battens
CN103171031A (en) * 2013-03-28 2013-06-26 南京益生宜居建筑材料科技有限公司 Continuous production method for concrete hollow slab
US20150040505A1 (en) * 2012-04-27 2015-02-12 Mingjin CHU Precast reinforced concrete structure and method for forming the same
CN106088454A (en) * 2016-06-16 2016-11-09 湖南三快而居住宅工业有限公司 Extrusion molding wear muscle precoated plate and preparation method thereof
CN107700749A (en) * 2017-09-30 2018-02-16 沈阳建筑大学 The structure and assembly method of through ribbed prefabricated one-way slabs entirely
CN110421710A (en) * 2019-08-28 2019-11-08 山东兴玉机械科技有限公司 A kind of hollow shock-proof wall plate production line of precast concrete and construction method

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101985856A (en) * 2010-11-19 2011-03-16 清华大学建筑设计研究院 Removal-free prefabricated reinforced concrete template with cross holes inside and manufacturing method thereof
CN102877548A (en) * 2011-07-11 2013-01-16 修建 Connecting device between building battens
US20150040505A1 (en) * 2012-04-27 2015-02-12 Mingjin CHU Precast reinforced concrete structure and method for forming the same
CN103171031A (en) * 2013-03-28 2013-06-26 南京益生宜居建筑材料科技有限公司 Continuous production method for concrete hollow slab
CN103171031B (en) * 2013-03-28 2015-06-24 南京益生宜居建筑材料科技有限公司 Continuous production method for concrete hollow slab
CN106088454A (en) * 2016-06-16 2016-11-09 湖南三快而居住宅工业有限公司 Extrusion molding wear muscle precoated plate and preparation method thereof
CN107700749A (en) * 2017-09-30 2018-02-16 沈阳建筑大学 The structure and assembly method of through ribbed prefabricated one-way slabs entirely
CN110421710A (en) * 2019-08-28 2019-11-08 山东兴玉机械科技有限公司 A kind of hollow shock-proof wall plate production line of precast concrete and construction method

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