CN101435246A - Prefabricated hollow slab - Google Patents
Prefabricated hollow slab Download PDFInfo
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- CN101435246A CN101435246A CNA2007102024693A CN200710202469A CN101435246A CN 101435246 A CN101435246 A CN 101435246A CN A2007102024693 A CNA2007102024693 A CN A2007102024693A CN 200710202469 A CN200710202469 A CN 200710202469A CN 101435246 A CN101435246 A CN 101435246A
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Abstract
Disclosed is a prefabricated hollow slab, which comprises a long strip slab body (1). The inside of the long strip slab body (1) is provided with at least two rows of longitudinal long pipe holes (2) in longitudinal direction. The slab is characterized in that at least one transverse rib die hole (3) passes through the slab body (1), the slab body (1) is provided with at least one vertical die hole (4) downward communicating with the transverse rib die hole (3), and the inside of the longitudinal pipe hole (2) is provided with an elastic plug or elastic piece plug or tension plug (5) to prevent the longitudinal pipe holes (2) from being connected with the transverse rib die hole (3). In this way, the cast-in-situ concrete can enter the transverse rib die holes through the vertical die holes to form cast-in-situ integral reinforcement structure. The hollow slab can effectively improve the strength, rigidity and bearing performance of the cast-in-situ reinforced concrete floor, can conveniently arrange steel bar, reduce the bidirectional load capability difference of the floor, improve the bearing performance of the floor, and is adapted to laminated building floor, roof, wall, base plate and bridge made by cast-in-situ reinforced concrete or prestressed reinforced concrete, especially suitable for laminated building floor.
Description
(1) technical field
The present invention relates to a kind of precast hollow slab.
(2) background technology
At present, the reinforced concrete floor of domestic employing has cast-in-situ floor and precast floor slab, the cast-in-situ floor good integrity, but need on-the-spot formwork, concreting then, the construction period difficulty is big, the template loss is big, and cost height, precast floor slab do not need on-the-spot formwork, short construction period, cost is low, but prefabricated units lift difficulty from great, member splicing position easily produces the crack, globality is poor, is ZL0322765.2 as the patent No., name is called a kind of patent of floor spiced by steel reinforced concrete, discloses a kind of steel bar concrete prefabricated units, prefabricated units are by plate, rib constitutes, the hole of wearing reinforcing bar is arranged on the rib, and the thickness of this plate is big, and the reinforcing bar effective height that is placed in the Cast-in-place concrete is greatly reduced, influence the bidirectional stress balance of floor, be difficult to form equivalent transverse and longitudinal etc.Therefore, develop a kind of novel precast hollow slab 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, have the member section of reducing size, reduce formwork, save characteristics such as material, easy construction, cycle weak point, globality, crack resistance and shock resistance are good.
Solution of the present invention is on the basis of existing technology, comprise the strip plate body, the vertical long tube of at least two rows hole that vertical setting is 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, vertically flexible plug or shell fragment plug or tensioning plug plug intercept vertical long tube hole and are connected with the cross rib nib therein in the long tube hole.Like this, there is at least one perpendicular nib to be communicated with the cross rib nib downwards above the plate body, after this precast hollow slab is applied in the cast in situ concrete floor, form vertical Cast-in-place concrete bar, post or pier, and Cast-in-place concrete can enter the cross rib nib from perpendicular nib, form cast-in-place whole reinforcement, can effectively improve the intensity of cast in situ concrete floor, rigidity and stress performance, when at least one cross rib nib lateral direction penetrating plate body, reinforcing bar can conveniently be set, and flexible plug or shell fragment plug or tensioning plug plug are therein in vertical long tube hole, intercepting vertical long tube hole is communicated with the cross rib nib, can conveniently stop Cast-in-place concrete enters, guarantee the hollow rate of hollow core slab and can make the bidirectional load capacity variance of floor little, improved the stress performance of floor, thereby reached purpose of the present invention, be applicable to the superimposed superstructure of cast-in-situ reinforced concrete or prestressed reinforced concrete, roof system, body of wall, sole plate and bridge use, and are particularly useful for superimposed superstructure and use.
The invention is characterized in that described resilient plug is on same straight line.Like this, when resilient plug is on same straight line, can the easy disassembly resilient plug, accelerate speed of application, thereby reduce cost, and can effectively stop entering of Cast-in-place concrete and water, guarantee construction quality.
The invention is characterized in the flexible plug in described cross rib nib both sides.Like this, when the flexible plug in cross rib nib both sides, like this, and when resilient plug is on same straight line, can the easy disassembly resilient plug, accelerate speed of application, thereby reduce cost, and can effectively stop entering of Cast-in-place concrete and water, guarantee construction quality.
The invention is characterized in that described hollowcore slab lower plate has the longitudinal prestressing reinforcing bar.Like this, when the hollowcore slab lower plate has the longitudinal prestressing reinforcing bar, can effectively improve the strength and stiffness of hollowcore slab, be applied in the cast in situ concrete floor after, can improve the holistic resistant behavior of floor.
The invention is characterized in that described longitudinal reinforcement stretches out connector and stretches in the cross rib nib.Like this,, longitudinal reinforcement stretches in the cross rib nib when stretching out connector, the parts in reinforcing bar that can fixedly stretch into or the fixed lateral rib nib, and also connector is to be connected with reinforcing bar and can more firmly to connect.
The invention is characterized in that described longitudinal reinforcement stretches out connector and stretches in vertical long tube hole.Like this,, longitudinal reinforcement stretches in vertical long tube hole when stretching out connector, the parts in reinforcing bar that can fixedly stretch into or the fixed lateral rib nib, and also connector is to be connected with reinforcing bar and can more firmly to connect.
The invention is characterized in that described longitudinal reinforcement is steel bar girder or bar frame.Like this, when longitudinal reinforcement was steel bar girder or bar frame, the structural strength of steel bar girder or bar frame was higher, thereby improved the stress performance of hollowcore slab integral body.
The invention is characterized in that the described cross rib nib and the axial line in vertical long tube hole intersect.Like this, when the cross rib nib and the axial line in vertical long tube hole are crossing, form the pore that intersects in length and breadth, crisscross reinforcing bar can be set, form the bidirectional stress parts.
The invention is characterized in the axial line grade separation in described cross rib nib and vertical long tube hole.Like this, when the axial line grade separation in cross rib nib and vertical long tube hole, form the force structure of layered distribution, form the pore of grade separation in length and breadth, crisscross reinforcing bar can be set, form Space Double to stressed member.
The invention is characterized in the cross section of the cross section of described cross rib nib less than vertical long tube hole.Like this,, can more effectively stop entering of Cast-in-place concrete and water, and conveniently reinforcing bar is set, can make the simple and fast more of constructing when the cross section of cross rib nib during less than the cross section in vertical long tube hole.
The invention is characterized in that 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, the quantity that is provided with of cross rib nib can be selected, whole stress performance can be improved according to the needs of construction application.
The invention is characterized in that described same hollowcore slab has the above cross rib nib of at least three rows parallel, intersect with the above vertically long tube hole of at least three rows simultaneously.Like this, the netted pore structure of formation is intersected in the multitube hole in length and breadth, lays reinforcing bar in pore, can form two-way in length and breadth net structure, and structure is more stable, and stress performance is better.
The invention is characterized in that described cross rib nib runs through the vertical long tube of at least two rows hole.Like this, like this, when the cross rib nib runs through the vertical long tube of at least two rows hole, form the pore structure that intersects in length and breadth, crisscross reinforcing bar can be set, form the bidirectional stress parts, can improve the holistic resistant behavior of precast hollow slab.
The invention is characterized in that described cross rib nib runs through the vertical rib of at least two rows.Like this, when the cross rib nib runs through the vertical rib of at least two rows, form the structure that the hole rib intersects, form the bidirectional stress parts, can improve the holistic resistant behavior of precast hollow slab.
The invention is characterized in described cross rib nib and the hole of vertical long tube hole for being shaped simultaneously.Like this, when the cross rib nib is the hole that is shaped simultaneously with vertical long tube hole, make the globality of hollowcore slab better, can strengthen the holistic resistant behavior of hollowcore slab.
The invention is characterized in that described cross rib nib is that back cutter is worn or the back boring and forming of hardening.Like this, cutter is worn or the back boring and forming of hardening after the cross rib nib is, in actual applications, can open the cross rib nib as required, more can satisfy the needs of construction application, thereby construction is simpler, the reduction construction cost.
The invention is characterized in described cross rib nib and vertically between the long tube hole interlayer is arranged.Like this, when between cross rib nib and the vertical long tube hole interlayer being arranged, can prevent effectively that Cast-in-place concrete and water from entering, can prevent corrosion of steel bar, thereby improve the quality of hollowcore slab, and can open barrier film according to the needs of construction application, convenient construction is accelerated speed of application, is reduced cost.
The invention is characterized in that there is interlayer described cross rib nib both sides respectively and between vertical long tube hole, both sides.Like this, when cross rib nib both sides respectively and when between vertical long tube hole, both sides interlayer being arranged, can prevent effectively that Cast-in-place concrete and water from entering, can prevent corrosion of steel bar, thereby improve the quality of hollowcore slab, and can break barrier film according to the needs of construction application, convenient construction.
The invention is characterized in described coaxial vertical long tube hole at least two interlayers are arranged.Like this, when cross rib nib both sides respectively and when between vertical long tube hole, both sides interlayer being arranged, can prevent effectively that Cast-in-place concrete and water from entering, can prevent corrosion of steel bar, thereby improve the quality of hollowcore slab, and can open one or more interlayer according to the needs of construction application, convenient construction is accelerated speed of application, is reduced cost.
The invention is characterized in that the interlayer in described coaxial vertical long tube hole is parallel.Like this, when the interlayer in coaxial vertical long tube hole is parallel, can prevent that Cast-in-place concrete and water from entering, can prevent corrosion of steel bar, thereby improve the quality of hollowcore slab, and interlayer is coaxial be arranged in parallel, can opens one or more interlayer simply and easily according to the needs of construction application, convenient construction is accelerated speed of application, is reduced cost.
The invention is characterized in that the interlayer in the vertical long tube of the described disalignment hole is parallel.Like this, like this, when the interlayer in the vertical long tube of the disalignment hole is parallel, can prevent that Cast-in-place concrete and water from entering, can prevent corrosion of steel bar, thereby improve the quality of hollowcore slab, and the interlayer disalignment be arranged in parallel, can open one or more interlayer simply and easily according to the needs of construction application, convenient construction is accelerated speed of application, is reduced cost.
The interlayer that the invention is characterized in described coaxial cross rib nib is on same straight line.Like this, when the interlayer of coaxial cross rib nib is on same straight line, can prevent effectively that Cast-in-place concrete and water from entering, can prevent corrosion of steel bar, thereby improve the quality of hollowcore slab, and interlayer is arranged on the same straight line, can opens one or more interlayer simply and easily according to the needs of construction application, convenient construction is accelerated speed of application, is reduced cost.
The interlayer that the invention is characterized in described coaxial cross rib nib is parallel.Like this, when the interlayer of coaxial cross rib nib is parallel, can completely cut off Cast-in-place concrete and water enters, can prevent corrosion of steel bar, thereby improve the quality of hollowcore slab, reduce cost.
The invention is characterized in that described interlayer indent is in vertical long tube hole.Like this, when the interlayer indent was in vertical long tube hole, interlayer was not easy breakage, thereby guaranteed the quality of hollowcore slab.
The invention is characterized in that the interlayer in described at least two vertical long tube holes is the disjunctor interlayer of disjunctor.Like this, when the interlayer at least two vertical long tube holes is the disjunctor interlayer of disjunctor, can prevent that Cast-in-place concrete and water from entering, can prevent corrosion of steel bar, and the interlayer of disjunctor cracky not, can improve the total quality of hollowcore slab, reduce cost.
The invention is characterized in that described interlayer is movable interlayer or detachable interlayer.Like this, when interlayer was movable interlayer or detachable interlayer, the position that can cut off according to the needs adjustment that actual design is used changed the width of Cast-in-place concrete in vertical long tube hole, has made things convenient for construction application.
The invention is characterized in that described interlayer and hollowcore slab are for whole.Like this, when interlayer and hollowcore slab when being whole, can improve the globality of hollowcore slab, interlayer is difficult for loosening landing, can prevent that Cast-in-place concrete from entering in the pre-manufactured hole, and make horizontal Cast-in-place concrete rib standard more, has guaranteed the quality of template.
The invention is characterized in that described cross rib nib periphery has rinforcement bar.Like this, when cross rib nib periphery has rinforcement bar, can improve the strength and stiffness of cross rib nib periphery, be unlikely to not fragile in the process of construction application, can guarantee the quality of hollowcore slab.
The invention is characterized in that described rinforcement bar is the reinforcing ring muscle.Like this, when rinforcement bar is the reinforcing ring muscle, can selects the reinforcing ring muscle according to the needs of design application, thereby better improve the strength and stiffness of hollowcore slab, improve the stress performance of hollowcore slab.
The invention is characterized in the described cross rib nib web member is arranged.Like this, when in the cross rib nib web member being arranged, can improve the stress performance of cross rib nib, particularly vertical tension and compression ability has obtained reinforcement, makes it be difficult for damaging by pressure, thereby has also improved the holistic resistant behavior of hollowcore slab.
The invention is characterized in that described web member is the diagonal web member or the web member that intersects.When web member was diagonal web member or intersection web member, structure was more stable, and stress performance is better, thereby improved the bulk strength and the rigidity of hollowcore slab.
The invention is characterized in the cross rib groove is arranged on the described hollowcore slab.Like this, after being applied to hollowcore slab application cast in situ concrete floor, Cast-in-place concrete enters and forms Cast-in-place concrete muscle, Cast-in-place concrete bar or Cast-in-place concrete rib in the cross rib groove, thereby improves the bulk strength and the rigidity of cast in situ concrete floor, improves the holistic resistant behavior of cast in situ concrete floor.
The invention is characterized in the described cross rib groove pull bar or truss are arranged.After being applied to hollowcore slab application cast in situ concrete floor, Cast-in-place concrete enters and forms Cast-in-place concrete muscle, Cast-in-place concrete bar or the Cast-in-place concrete rib that has pull bar or truss in the cross rib groove, can improve the bulk strength and the rigidity of Cast-in-place concrete floor, improve the holistic resistant behavior of cast in situ concrete floor.
The invention is characterized in that described hollowcore slab has the cross rib cavity.Like this, after being applied to cast in situ concrete floor, Cast-in-place concrete enters and forms the Cast-in-place concrete rib in the cross rib cavity, can improve the bulk strength and the rigidity of Cast-in-place concrete floor, improves the holistic resistant behavior of cast in situ concrete floor.
The invention is characterized in that described cross rib cavity has pull bar or truss.Like this, like this, after being applied to cast in situ concrete floor, Cast-in-place concrete enters and forms the Cast-in-place concrete rib that contains pull bar or truss in the cross rib cavity, can improve the bulk strength and the rigidity of Cast-in-place concrete floor, improves the holistic resistant behavior of cast in situ concrete floor.
The invention is characterized in that described cross rib cavity stretches at least one vertical long tube hole of at least one side is communicated with, and forms vertical arm cavity.Like this, form two-way in length and breadth pore structure, be applied to cast in situ concrete floor after, form the bidirectional stress hollowcore slab, thereby improve the stress performance of whole floor.
The invention is characterized in that the relative both sides of described cross rib cavity stretch in vertical long tube hole, form cross pipe cavity.Like this, form the staggered pore of cross, form two-way in length and breadth pore structure, be applied to cast in situ concrete floor after, formation bidirectional stress hollowcore slab, thus improve the stress performance of whole floor.
The invention is characterized in that the relative both sides of described cross rib cavity are a plurality of stretches in vertical long tube hole, forms a plurality of cross pipe cavitys.Like this, form crisscross webbed two-way pore structure, be applied to cast in situ concrete floor after, form the bidirectional stress hollowcore slab, thereby improve the stress performance of whole floor.
(4) description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1.
Fig. 2 is the structural representation of the embodiment of the invention 2.
Fig. 3 is the structural representation of the embodiment of the invention 3.
Fig. 4 is the structural representation of the embodiment of the invention 4.
Fig. 5 is the structural representation of the embodiment of the invention 5.
Fig. 6 is the structural representation of the embodiment of the invention 6.
Fig. 7 is the structural representation of the embodiment of the invention 7.
Fig. 8 is the structural representation of the embodiment of the invention 8.
Fig. 9 is the structural representation of the embodiment of the invention 9.
Figure 10 is the structural representation of the embodiment of the invention 10.
Figure 11 is the structural representation of the embodiment of the invention 11.
Figure 12 is the structural representation of the embodiment of the invention 12.
Figure 13 is the structural representation of the embodiment of the invention 13.
Figure 14 is the structural representation of the embodiment of the invention 14.
Figure 15 is the structural representation of the embodiment of the invention 15.
Figure 16 is the structural representation of the embodiment of the invention 16.
Figure 17 is the structural representation of the embodiment of the invention 17.
Figure 18 is the structural representation of the embodiment of the invention 18.
Figure 19 is the structural representation of the embodiment of the invention 19.
Figure 20 is the structural representation of the embodiment of the invention 20.
Figure 21 is the structural representation of the embodiment of the invention 21.
Figure 22 is the structural representation of the embodiment of the invention 22.
Figure 23 is the structural representation of the embodiment of the invention 23.
Figure 24 is the structural representation of the embodiment of the invention 24.
Figure 25 is the structural representation of the embodiment of the invention 25.
Figure 26 is the structural representation of the embodiment of the invention 26.
Figure 27 is the structural representation of the embodiment of the invention 27.
Figure 28 is the structural representation of the embodiment of the invention 28.
Figure 29 is the structural representation of the embodiment of the invention 29.
Figure 30 is the structural representation of the embodiment of the invention 30.
Figure 31 is the structural representation of the embodiment of the invention 31.
Figure 32 is the structural representation of the embodiment of the invention 32.
Figure 33 is the structural representation of the embodiment of the invention 33.
Figure 34 is the structural representation of the embodiment of the invention 34.
Figure 35 is the structural representation of the embodiment of the invention 35.
Figure 36 is the structural representation of the embodiment of the invention 36.
(5) specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
The present invention as shown in drawings, comprise strip plate body 1, the vertical long tube of at least two rows hole 2 that vertical setting is 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, vertically flexible plug or shell fragment plug or tensioning plug 5 plugs intercept vertical long tube hole 2 and are connected with cross rib nib 3 therein in the long tube hole 2.In each accompanying drawing, 1 is the strip plate body, and 2 is vertical long tube hole, and 3 is the cross rib nib, and 4 are perpendicular nib, and 5 is resilient plug or shell fragment plug or tensioning plug, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, precast hollow slab comprises strip plate body 1, vertical long tube hole 2 that vertical setting is arranged in the strip plate body 1, it has cross rib nib 3 lateral direction penetrating plate bodys 1, there is perpendicular nib 4 to be communicated with cross rib nib 3 downwards above the plate body 1, vertically flexible plug 5 plugs intercept vertical long tube hole 2 and are connected with cross rib nib 3 therein in the long tube hole 2.Resilient plug among the figure can also be conical plug for ganoid plug and the coarse plug of appearance, and the interface shape of plug can also be for scheming among a, b, the c
,
Shape and T shape.
The invention is characterized in that described resilient plug 5 is on same straight line.As shown in Figure 1, its described resilient plug 5 is on same straight line.
The invention is characterized in the flexible plug 5 in described cross rib nib 3 both sides.As shown in Figure 1, its flexible plug 5 in described cross rib nib 3 both sides.
The invention is characterized in that described hollowcore slab lower plate has longitudinal prestressing reinforcing bar 6.As shown in Figure 2, its described hollowcore slab lower plate has longitudinal prestressing reinforcing bar 6.
The invention is characterized in that described longitudinal reinforcement 6 stretches out connector 7 and stretches in the cross rib nib 3.As shown in Figure 3, its described longitudinal reinforcement 6 stretches out connector 7 and stretches in the cross rib nib 3.
The invention is characterized in that described longitudinal reinforcement 6 stretches out connector 7 and stretches in vertical long tube hole 2.As shown in Figure 4, its described longitudinal reinforcement 6 stretches out connector 7 and stretches in vertical long tube hole 2.
The invention is characterized in that described longitudinal reinforcement 6 is steel bar girder or bar frame.As shown in Figure 5, its described longitudinal reinforcement 6 is a bar frame.
The invention is characterized in that the described cross rib nib 3 and the axial line in vertical long tube hole 2 intersect.As shown in Figure 6, its described cross rib nib 3 intersects with the axial line in vertical long tube hole 2.
The invention is characterized in the axial line grade separation in described cross rib nib 3 and vertical long tube hole 2.As shown in Figure 7, its described cross rib nib 3 and vertically the axial line grade separation in long tube hole 2.
The invention is characterized in the cross section of the cross section of described cross rib nib 3 less than vertical long tube hole 2.As shown in Figure 8, the cross section of its described cross rib nib 3 is less than the cross section in vertical long tube hole 2.
The invention is characterized in that described same hollowcore slab has at least three row's above cross rib nibs 3 parallel.As shown in Figure 9, to be provided with cross rib nib 3 parallel for its described same hollowcore slab.
The invention is characterized in that 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 10, it is parallel that its described same hollowcore slab is provided with cross rib nib 3, intersects with vertical long tube hole 2 simultaneously.
The invention is characterized in that described cross rib nib 3 runs through the vertical long tube of at least two rows hole 2.As shown in figure 11, its described cross rib nib 3 runs through the vertical long tube of many rows hole 2.
The invention is characterized in that described cross rib nib 3 runs through the vertical rib 8 of at least two rows.As shown in figure 12, its described cross rib nib 3 runs through the vertical rib 8 of many rows.
The invention is characterized in described cross rib nib 3 and the hole of vertical long tube hole 2 for being shaped simultaneously.As shown in figure 13, its described cross rib nib 3 is the hole that is shaped simultaneously with vertical long tube hole 2.
The invention is characterized in that described cross rib nib 3 is that back cutter is worn or the back boring and forming of hardening.As shown in figure 14, its described cross rib nib 3 back cutters are worn and are formed.
The invention is characterized in described cross rib nib 3 and vertically between the long tube hole 2 interlayer 9 is arranged.As shown in figure 15, between its described cross rib nib 3 and the vertical long tube hole 2 interlayer 9 is arranged.
The invention is characterized in that there is interlayer 9 described cross rib nib 3 both sides respectively and between vertical long tube hole, both sides 2.As shown in figure 16, there is interlayer 9 its described cross rib nib 3 both sides respectively and between vertical long tube hole, both sides 2.
The invention is characterized in described coaxial vertical long tube hole 2 at least two interlayers 9 are arranged.As shown in figure 17, in its described coaxial vertical long tube hole 2 a plurality of interlayers 9 are arranged.
The invention is characterized in that the interlayer 9 in described coaxial vertical long tube hole 2 is parallel.As shown in figure 18, the interlayer 9 in its described coaxial vertical long tube hole 2 is parallel.
The invention is characterized in that the interlayer 9 in the vertical long tube of the described disalignment hole 2 is parallel.As shown in figure 19, the interlayer 9 in the vertical long tube of its described disalignment hole 2 is parallel.
The interlayer 9 that the invention is characterized in described coaxial cross rib nib 3 is on same straight line.As shown in figure 20, the interlayer 9 of its described coaxial cross rib nib 3 is on same straight line.
The interlayer 9 that the invention is characterized in described coaxial cross rib nib 3 is parallel.As shown in figure 21, the interlayer 9 of its described coaxial cross rib nib 3 is parallel.
The invention is characterized in that described interlayer 9 indents are in vertical long tube hole 2.As shown in figure 22, its described interlayer 9 indents are in vertical long tube hole 2.
The invention is characterized in that the interlayer 9 in described at least two vertical long tube holes 2 is disjunctor interlayers of disjunctor.As shown in figure 23, the interlayer 9 in its described vertical long tube hole 2 is disjunctor interlayers of disjunctor.
The invention is characterized in that described interlayer 9 is movable interlayers, or detachable interlayer.As shown in figure 24, its described interlayer 9 is detachable interlayers.
The invention is characterized in that described interlayer 9 and hollowcore slab are integral body.As shown in figure 25, its described interlayer 9 is whole with hollowcore slab.
The invention is characterized in that described cross rib nib 3 peripheries have rinforcement bar 10.As shown in figure 26, its described cross rib nib 3 peripheries have rinforcement bar 10.
The invention is characterized in that described rinforcement bar 10 is the reinforcing ring muscle.As shown in figure 27, its described rinforcement bar 10 is the reinforcing ring muscle.
The invention is characterized in the described cross rib nib 3 web member 11 is arranged.As shown in figure 28, in its described cross rib nib 3 web member 11 is arranged.
The invention is characterized in that described web member 11 is the diagonal web member or the web member that intersects.As shown in figure 29, its described web member 11 is for intersecting web member.
The invention is characterized in cross rib groove 12 is arranged on the described hollowcore slab.As shown in figure 30, on its described hollowcore slab cross rib groove 12 is arranged.
The invention is characterized in pull bar 13 or truss 14 are arranged in the described cross rib groove 12.As shown in figure 31, be provided with pull bar 13 and truss 14 in its described cross rib groove 12.
The invention is characterized in that described hollowcore slab has cross rib cavity 15.Shown in figure 32, its described hollowcore slab has cross rib cavity 15.
The invention is characterized in that described cross rib cavity 15 has pull bar 13 or truss 14.As shown in figure 33, its described cross rib cavity 15 has pull bar 13 and truss 14.
The invention is characterized in that described cross rib cavity 15 stretches at least one 2 interior connection of vertical long tube hole of at least one side, forms vertical arm cavity.As shown in figure 34, its described cross rib cavity 15 stretches in vertical long tube hole 2 and is communicated with, and forms vertical arm cavity.
The invention is characterized in that described cross rib cavity 15 relative both sides stretch in vertical long tube hole 2, form cross pipe cavity.As shown in figure 35, its described cross rib cavity 15 relative both sides are stretched in vertical long tube hole 2, form cross pipe cavity.
The invention is characterized in a plurality of the stretching in vertical long tube hole 2 in both sides that described cross rib cavity 15 is relative, form a plurality of cross pipe cavitys.As shown in figure 36, a plurality of the stretching in vertical long tube hole 2 in both sides that its described cross rib cavity 15 is relative forms a plurality of cross pipe cavitys.
During the invention process, earlier the strip plate body is shelved on the bearing and (on the wall or on the beam edge or on the beam side, on precast plate, lays reinforcing bar then, cast-in-situ concrete in the above at last, the in-situ deposited prefabricated superimposed sheet that combines of superimposed back formation.
Claims (10)
- [claim 1] a kind of precast hollow slab, comprise strip plate body (1), at least two row vertical long tube holes (2) that vertical setting is 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), vertically flexible plug or shell fragment plug or tensioning plug (5) plug intercept vertical long tube hole (2) and are connected with cross rib nib (3) therein in the long tube hole (2).
- [claim 2] a kind of precast hollow slab according to claim 1 is characterized in that described resilient plug (5) is on same straight line.
- [claim 3] a kind of precast hollow slab according to claim 1 is characterized in that the flexible plugs in described cross rib nib (3) both sides (5).
- [claim 4] a kind of precast hollow slab according to claim 1 is characterized in that described hollowcore slab lower plate has longitudinal prestressing reinforcing bar (6).
- [claim 5] a kind of precast hollow slab according to claim 4 is characterized in that described longitudinal reinforcement (6) stretches out connector (7) and stretches in the cross rib nib (3).
- [claim 6] a kind of precast hollow slab according to claim 4 is characterized in that described longitudinal reinforcement (6) stretches out connector (7) and stretches in vertical long tube hole (2); Perhaps longitudinal reinforcement (6) is steel bar girder or bar frame.
- [claim 7] is characterized in that according to the described a kind of precast hollow slab of the arbitrary claim of claim 1 to 7 the described cross rib nib (3) and the axial line in vertical long tube hole (2) intersect; 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; Perhaps cross rib nib (3) runs through at least two row vertical long tube holes (2); Perhaps cross rib nib (3) runs through the vertical rib (8) 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.
- [claim 8] is characterized in that described cross rib nib (3) and vertically between the long tube hole (2) interlayer (9) arranged according to the described a kind of precast hollow slab of the arbitrary claim of claim 1 to 7; Perhaps cross rib nib (3) both sides respectively and interlayer (9) arranged between vertical long tube holes, both sides (2); At least two interlayers (9) are arranged in perhaps coaxial vertical long tube hole (2); Interlayer (9) in perhaps coaxial vertical long tube hole (2) is parallel; Perhaps the interlayer (9) in the vertical long tube of the disalignment hole (2) is parallel; The interlayer (9) of perhaps coaxial cross rib nib (3) is on same straight line; The interlayer (9) of perhaps coaxial cross rib nib (3) is parallel; Perhaps interlayer (9) indent is in vertical long tube hole (2); Perhaps the interlayer (9) at least two vertical long tube holes (2) is the disjunctor interlayer of disjunctor; Perhaps interlayer (9) is movable interlayer, or detachable interlayer; Perhaps interlayer (9) is whole with hollowcore slab.
- [claim 9] is characterized in that according to the described a kind of precast hollow slab of the arbitrary claim of claim 1 to 7 described cross rib nib (3) periphery has rinforcement bar (10); Perhaps rinforcement bar (10) is the reinforcing ring muscle; Perhaps in the cross rib nib (3) web member (11) is arranged; Perhaps web member (11) is the diagonal web member or the web member that intersects; Cross rib groove (12) is perhaps arranged on the hollowcore slab; Pull bar (13) or truss (14) are perhaps arranged in the cross rib groove (12).
- [claim 10] is characterized in that according to the described a kind of precast hollow slab of the arbitrary claim of claim 1 to 7 described hollowcore slab has cross rib cavity (15); Perhaps cross rib cavity (15) has pull bar (13) or truss (14); Perhaps cross rib cavity (15) 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 (15) are stretched in vertical long tube hole (2), form cross pipe cavity; Perhaps the both sides that cross rib cavity (15) is relative are a plurality of stretches in vertical long tube hole (2), forms a plurality of cross pipe cavitys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007102024693A CN101435246A (en) | 2007-11-12 | 2007-11-12 | Prefabricated hollow slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007102024693A CN101435246A (en) | 2007-11-12 | 2007-11-12 | Prefabricated hollow slab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101435246A true CN101435246A (en) | 2009-05-20 |
Family
ID=40709867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007102024693A Pending CN101435246A (en) | 2007-11-12 | 2007-11-12 | Prefabricated hollow slab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101435246A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226350A (en) * | 2011-04-05 | 2011-10-26 | 姚景祥 | Connecting device for internal lock buckle building strip slabs and special module for manufacturing same |
| CN102877548A (en) * | 2011-07-11 | 2013-01-16 | 修建 | Connecting device between building battens |
| CN103572891A (en) * | 2012-07-26 | 2014-02-12 | 初明进 | Prefabricated channel plate |
| CN103628616A (en) * | 2012-08-24 | 2014-03-12 | 初明进 | Prefabricated concrete hollow member and preparation method thereof |
| CN103628618A (en) * | 2012-08-23 | 2014-03-12 | 初明进 | Precast concrete hollow component, and manufacturing method thereof |
| CN103628563A (en) * | 2012-08-23 | 2014-03-12 | 初明进 | Prefabricated concrete hollow component and manufacturing method |
| CN103669710A (en) * | 2012-09-03 | 2014-03-26 | 初明进 | Hollow precast concrete slab and manufacturing method thereof |
-
2007
- 2007-11-12 CN CNA2007102024693A patent/CN101435246A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226350A (en) * | 2011-04-05 | 2011-10-26 | 姚景祥 | Connecting device for internal lock buckle building strip slabs and special module for manufacturing same |
| CN102226350B (en) * | 2011-04-05 | 2016-03-16 | 姚景祥 | The linkage of inner lock buckle building slat and make the special module of this device |
| CN102877548A (en) * | 2011-07-11 | 2013-01-16 | 修建 | Connecting device between building battens |
| CN102877548B (en) * | 2011-07-11 | 2016-09-28 | 修建 | Attachment means between building slat |
| CN103572891A (en) * | 2012-07-26 | 2014-02-12 | 初明进 | Prefabricated channel plate |
| CN103572891B (en) * | 2012-07-26 | 2015-11-25 | 初明进 | A kind of pregroove plate |
| CN103628618A (en) * | 2012-08-23 | 2014-03-12 | 初明进 | Precast concrete hollow component, and manufacturing method thereof |
| CN103628563A (en) * | 2012-08-23 | 2014-03-12 | 初明进 | Prefabricated concrete hollow component and manufacturing method |
| CN103628563B (en) * | 2012-08-23 | 2015-11-11 | 初明进 | A kind of hollow precast concrete member and preparation method |
| CN103628616A (en) * | 2012-08-24 | 2014-03-12 | 初明进 | Prefabricated concrete hollow member and preparation method thereof |
| CN103669710A (en) * | 2012-09-03 | 2014-03-26 | 初明进 | Hollow precast concrete slab and manufacturing method thereof |
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Open date: 20090520 |