CN100449093C - Cavity structural member for hollow concrete slab - Google Patents

Cavity structural member for hollow concrete slab Download PDF

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Publication number
CN100449093C
CN100449093C CNB200410097666XA CN200410097666A CN100449093C CN 100449093 C CN100449093 C CN 100449093C CN B200410097666X A CNB200410097666X A CN B200410097666XA CN 200410097666 A CN200410097666 A CN 200410097666A CN 100449093 C CN100449093 C CN 100449093C
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CN
China
Prior art keywords
tube
cavity structural
concrete hollow
pipe
long
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CNB200410097666XA
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Chinese (zh)
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CN1779198A (en
Inventor
邱则有
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邱则有
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Priority to CNB200410097666XA priority Critical patent/CN100449093C/en
Publication of CN1779198A publication Critical patent/CN1779198A/en
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Publication of CN100449093C publication Critical patent/CN100449093C/en

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Abstract

The present invention relates to a cavity member for a hollow concrete slab, which comprises at least one long pipe body (1) with a longitudinal long hole. The shape of the cross section of the longpipe body (1) is in the shape of a quadrangular pipe. The present invention is characterized in that the lower pipe wall (2) of the long pipe body (1) is an integral through entire flat slab; other pipe walls of the long pipe body (1) are provided with at least one lateral rib slot (3) which is vertical to or obliquely crossed with an axis of the pipe. At least one position of the pipe wall between the lateral rib slots (3) is provided with a connector (4) which is connected with the lateral rib slots. Both sides of the through lower pipe wall (2) of the long pipe body (1) are provided with longitudinal projected edges (5). Thus, the cavity member has the advantages of simple and convenient manufacture, and low production cost. The rigidity difference between the longitudinal and the lateral directions of the cast-in-place concrete hollow slab can be greatly reduced, and a bidirectional hollow slab can be formed so that the mechanical property of the hollow slab can be greatly enhanced. The cavity member has the advantages of high intensity, strong rigidity and convenient transportation and construction, and is not easy to break off. The present invention is suitable for a hollow slab, a hollow floor, a roof, a wall, a foundation base slab or a hollow bridge, which are made from cast-in-place reinforced concrete or prestressing reinforced concrete to use.

Description

A kind of concrete hollow board Cavity structural member
(1) technical field
The present invention relates to a kind of concrete hollow board Cavity structural member.
(2) background technology
At present, in the prior art, cast-in-place concrete cored one-tenth pole is permanent core, and as paper tube, plastic pipe, metal bellows, core light material etc., these tubular core molds or member mainly consider to find time concrete, reduce the weight of hollowcore slab.It as the patent No. of applicant application " cast-in-place reinforced concrete filling fiber reinforcement type thin wall cylinder " utility model patent of 99249755.8, it is made up of horniness thin-walled tube and two ends plug, two plugs form an enclosed cavity with the horniness thin-walled tube closed at both ends, and horniness thin-walled tube cross section and plug shape can be circle, square, trapezoidal or other is special-shaped.This pipe has advantages such as intensity height, resistance to deformation, anti-vibration performance are good, convenient construction and transport.But be applied to cast-in-place concrete cored after; because the tubulose concrete in the horniness thin-walled tube centre in cast-in-place concrete cored is found time; along pipe the Cast-in-place concrete rib arranged vertically; and laterally found time by core or member owing to steel bar concrete; only depend on two plugs to seal as the power transmission rib; therefore; can't bear the effect of complicated pulling force, pressure, shearing, moment of torsion etc.; the bigger situation of cast-in-place concrete cored two direction rigidity great disparities has appearred; and become the cast-in-situ reinforced concrete hollow one-way slabs, can't form well word rib equivalent transverse and longitudinal.Therefore, develop a kind of novel concrete hollow board and be urgent need with Cavity structural member.
(3) summary of the invention
The object of the present invention is to provide a kind of concrete hollow board Cavity structural member, be applied to cast-in-place concrete cored after, can form two-way hollowcore slab, simultaneously, Cavity structural member also has intensity height, non-frangibility, makes easily, characteristics such as cost is low, convenient construction and transport.
Solution of the present invention is on the basis of existing technology, comprise the long tube body that contains at least one vertical slotted hole hole, the shape of cross section of long tube body is a quadrangle, the following tube wall that it is characterized in that described long tube body is the elongated whole dull and stereotyped of one, other tube wall of long tube body has the cross rib groove of at least one place or oblique vertical with the tubular axis line, there is the tube wall at least one place that continuous connector is arranged between the cross rib groove, interior hush panel shutoff is arranged in the both sides tube chamber of cross rib groove, there is the plug shutoff at the two ends of long tube body, and there is vertical toss the elongated both sides of tube wall down of long tube body.Like this, because the following tube wall of long tube body is the elongated whole dull and stereotyped of one, thereby the Cavity structural member making is very easy, convenient, and cost of production is low; Simultaneously, because other tube wall of long tube body has the cross rib groove of at least one place or oblique vertical with the tubular axis line, Cast-in-place concrete can form cross rib in the cross rib groove, thereby, cast-in-place concrete cored vertical cross stiffness difference can significantly reduce, two-way hollowcore slab can be formed, thereby the mechanical property of hollowcore slab can be improved greatly; And, owing to have the tube wall at least one place that continuous connector is arranged between the cross rib groove, tube wall is connected to each other, play a part to involve mutually, thereby the intensity height of Cavity structural member, rigidity are greatly, frangibility, carrying and construction are not more convenient; And because there is vertical toss the elongated both sides of tube wall down of long tube body, thereby toss can be worked as construction formwork and be used, when construction, its construction is more convenient, can save the construction template, reduce the construction formwork loss, save construction cost, thereby reached purpose of the present invention; In addition, Cavity structural member also has characteristics such as simple in structure, good integrity; The hollowcore slab, hollow building cover, roof system, body of wall, sole plate or the hollow bridges that are applicable to various cast-in-situ reinforced concretes or prestressed reinforced concrete are used, and are specially adapted to hollow arch without beam and use.
Solution of the present invention also is on the basis of existing technology, comprise the long tube body that contains at least one vertical slotted hole hole, the shape of cross section of long tube body is a quadrangle, the following tube wall that it is characterized in that described long tube body is the elongated whole dull and stereotyped of one, other tube wall of long tube body has the cross rib groove of at least one place or oblique vertical with the tubular axis line, there is the tube wall at least one place that continuous connector is arranged between the cross rib groove, there is vertical toss the elongated both sides of tube wall down of long tube body, partly or entirely are filled with light material in the both sides tube chamber of cross rib groove.
Feature of the present invention is that also at least two described cross rib grooves are parallel.Like this, when described Cavity structural member is provided with parallel cross rib groove, Cavity structural member be applied to cast-in-place concrete cored in after, Cast-in-place concrete pours in the cross rib groove, the Cast-in-place concrete bearing bar that corresponding formation is parallel can improve the inside force transferring structure of hollowcore slab effectively.
Feature of the present invention also is partly or entirely to be filled with light material in the both sides tube chamber of described cross rib groove.Like this, when described Cavity structural member be applied to cast-in-place concrete cored in after, partly or entirely be filled with light material in the both sides tube chamber of cross rib groove and can prevent that Cast-in-place concrete from entering in the cavity, guaranteed cast-in-place concrete cored hollow rate; Simultaneously, Cavity structural member no longer needs the interior hole of shutoff long tube body at the scene, uses more convenient.
Feature of the present invention also is in the both sides tube chamber of described cross rib groove interior hush panel shutoff is arranged.Like this, when described Cavity structural member be applied to cast-in-place concrete cored in after, have interior hush panel shutoff can prevent that Cast-in-place concrete from entering in the cavity, guaranteed cast-in-place concrete cored hollow rate in the both sides tube chamber of cross rib groove; Simultaneously, saved the operation of shutoff long tube body inside aperture when Cavity structural member uses at the scene, used more convenient.
Feature of the present invention is that also there is the plug shutoff at the two ends of described long tube body.Like this, when described Cavity structural member be applied to cast-in-place concrete cored in after, the two ends of long tube body have the plug shutoff can prevent that Cast-in-place concrete from entering in the cavity, guaranteed cast-in-place concrete cored hollow rate; Simultaneously, saved the operation of shutoff long tube body inside aperture when Cavity structural member uses at the scene, used more convenient.
Feature of the present invention is that also there are elongated prestressing force or nonprestressed reinforcement or steel strand in the following tube wall of described long tube body and side pipe wall intersection area.Like this, elongated prestressing force or nonprestressed reinforcement or steel strand have improved the intensity and the rigidity of Cavity structural member greatly, make its tube wall and side pipe wall intersection area can bear bigger load, and its mechanical property is better.
Feature of the present invention is that also there are elongated prestressing force or nonprestressed reinforcement or steel strand in the side pipe wall of described long tube body and the position that the push pipe wall intersects.Like this, elongated prestressing force or nonprestressed reinforcement or steel strand have improved the intensity and the rigidity of Cavity structural member greatly, make its side pipe wall and push pipe wall intersection area can bear bigger load and do not destroy.
Feature of the present invention is that also the connector of described tube wall is arranged at side pipe wall and push pipe wall intersection area, and the tube wall connector is a tube wall itself.Like this, connector and tube wall are global formation, and its overall performance is good, and not frangibility or destruction can be reduced the proportion of goods damageds of Cavity structural member effectively.
Feature of the present invention is that also the connector of described tube wall is arranged on the push pipe wall, and the tube wall connector is a tube wall itself.Like this, connector and tube wall are global formation, and its overall performance is good, and not frangibility or destruction can be reduced the proportion of goods damageds of Cavity structural member effectively.
Feature of the present invention also is to be provided with in the tube chamber of described long tube body at least one that supports in force rod, put more energy into floor or the reinforcing rib.Like this, be provided with in the tube chamber of long tube body and support force rod, put more energy into floor or reinforcing rib, can strengthen the supporting capacity of Cavity structural member greatly, reduce the proportion of goods damageds of Cavity structural member in transportation, installation, work progress, save material, reduce the cost of hollowcore slab.
Feature of the present invention is that also described long tube body is provided with at least a among inner corner trim, groove or recessed.Like this, Cast-in-place concrete pours into above-mentioned inner corner trim, groove or recessed position, can corresponding formation connect or the local Cast-in-place concrete member of strengthening, and can increase substantially the overall performance and the mechanical property of hollowcore slab.
Feature of the present invention is that also the tube wall of described long tube body is concrete or gauze wire cloth concrete wall.Like this, the tube wall variation of long tube body can be satisfied the needs of different situations.
Feature of the present invention is that also the tube wall of described long tube body is mortar or fibre mortar or fleece mortar or wire mesh mortar wall.Like this, the variation of the tube wall material of long tube body can be satisfied the needs of different situations, helps reducing production costs.
Feature of the present invention is that also described Cavity structural member has at least two vertical slotted hole holes.Like this, Cavity structural member can correspondingly be made into bigger member, be applied to cast-in-place concrete cored in after, help improving the hollow rate of hollowcore slab, further save concrete material, reduce construction cost.
Feature of the present invention also is to be parallel to each other between a plurality of described vertical slotted holes hole.Like this, manufacturing of Cavity structural member is easier, convenient, and cost of production is lower.
The cross section that feature of the present invention also is described slotted hole hole for circular, square, arc angle is square or oval.Like this, the cross-sectional form of hole is various, when Cavity structural member be applied to cast-in-place concrete cored in the time, help selecting for use of various different actual conditions, can fully satisfy structural requirement and construction requirement
Feature of the present invention is that also there is the tube wall connector at the internal-rib place between the slotted hole hole in the described cross rib groove.Like this,, can further improve the globality of Cavity structural member, make it be difficult for division, damage by the connection of connector.
Feature of the present invention is that also at least two tube wall connectors are arranged in the described cross rib groove.Like this,, improved the globality of Cavity structural member, made it be difficult for division, damage by the connection of connector.
Feature of the present invention is that also described Cavity structural member is provided with the carrying suspender member.The carrying suspender member can be handle, suspension hook, suspension ring or other device.Like this, can very easily Cavity structural member be piled up, transport, lift and construct, reduce the work difficulty and the working strength of above-mentioned operation, help improving efficiency of construction, reduce construction cost.
(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.
(5) specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
The present invention as shown in drawings, comprise the long tube body 1 that contains at least one vertical slotted hole hole, the shape of cross section of long tube body 1 is a quadrangle, it is characterized in that the elongated whole flat board of the following tube wall 2 of described long tube body 1 for one, other tube wall of long tube body 1 has the cross rib groove 3 of at least one place or oblique vertical with the tubular axis line, 3 of cross rib grooves have the tube wall at least one place that continuous connector 4 is arranged, interior hush panel 7 shutoff are arranged in the both sides tube chamber of cross rib groove 3, there are plug 8 shutoff at the two ends of long tube body 1, and there is vertical toss 5 the elongated both sides of tube wall 2 down of long tube body 1.In each accompanying drawing, 1 is the long tube body, and 2 are following tube wall, and 3 be the cross rib groove, and 4 is connector, and 5 is toss, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, the following tube wall 2 of its described long tube body 1 is the elongated whole dull and stereotyped of one, other tube wall of long tube body 1 has the cross rib groove 3 vertical with the tubular axis line, and 3 of cross rib grooves have the tube wall at a place that continuous connector 4 is arranged, and there is vertical toss 5 the elongated both sides of tube wall 2 down of long tube body 1.
The present invention also is to comprise the long tube body 1 that contains at least one vertical slotted hole hole, the shape of cross section of long tube body 1 is a quadrangle, it is characterized in that the elongated whole flat board of the following tube wall 2 of described long tube body 1 for one, other tube wall of long tube body 1 has the cross rib groove 3 of at least one place or oblique vertical with the tubular axis line, 3 of cross rib grooves have the tube wall at least one place that continuous connector 4 is arranged, there is vertical toss 5 the elongated both sides of tube wall 2 down of long tube body 1, partly or entirely are filled with light material 6 in the both sides tube chamber of cross rib groove 3.
Feature of the present invention is that also at least two described cross rib grooves 3 are parallel.As shown in Figure 1, its many described cross rib grooves 3 are parallel.
Feature of the present invention also is partly or entirely to be filled with light material 6 in the both sides tube chamber of described cross rib groove 3.As shown in Figure 2, all be filled with light material 6 in the both sides tube chamber of its described cross rib groove 3, diagram light material 6 is an expanded perlite.
Feature of the present invention also is in the both sides tube chamber of described cross rib groove 3 interior hush panel 7 shutoff are arranged.As shown in Figure 3, interior hush panel 7 shutoff are arranged in the both sides tube chamber of its described cross rib groove 3.
Feature of the present invention is that also there are plug 8 shutoff at the two ends of described long tube body 1.As shown in Figure 3, there are plug 8 shutoff at the two ends of its described long tube body 1.
Feature of the present invention is that also the following tube wall 2 of described long tube body 1 has elongated prestressing force or nonprestressed reinforcement or steel strand 10 with side pipe wall 9 intersection areas.As shown in Figure 4, the following tube wall 2 of its described long tube body 1 has the elongated prestressed reinforcing bar 10 that is applied with side pipe wall 9 intersection areas.
Feature of the present invention is that also there are elongated prestressing force or nonprestressed reinforcement or steel strand 10 in the side pipe wall 9 of described long tube body 1 and the position that push pipe wall 11 intersects.As shown in Figure 4, the side pipe wall 9 of its described long tube body 1 has elongated prestressed reinforcing bar 10 with push pipe wall 11 intersection areas.
Feature of the present invention is that also the connector 4 of described tube wall is arranged at side pipe wall 9 and push pipe wall 11 intersection areas, and tube wall connector 4 is a tube wall itself.As shown in Figure 4, the connector 4 of its described tube wall is arranged at side pipe wall 9 and push pipe wall 11 intersection areas, and tube wall connector 4 is a tube wall itself.
Feature of the present invention is that also the connector 4 of described tube wall is arranged on the push pipe wall 11, and tube wall connector 4 is a tube wall itself.As shown in Figure 5, the connector 4 of its described tube wall is arranged on the push pipe wall 11, and tube wall connector 4 is a tube wall itself.
Feature of the present invention also is to be provided with in the tube chamber of described long tube body 1 at least one that supports in force rod 12, put more energy into floor 13 or the reinforcing rib 14.As shown in Figure 6, be provided with support force rod 12, put more energy into floor 13 and reinforcing rib 14 in the tube chamber of its described long tube body 1 simultaneously.
Feature of the present invention is that also described long tube body 1 is provided with at least a among inner corner trim 15, groove 16 or recessed 17.As shown in Figure 7, be provided with inner corner trim 15, groove 16 and recessed 17 on its described long tube body 1 simultaneously.
Feature of the present invention is that also the tube wall of described long tube body 1 is concrete or gauze wire cloth concrete wall.As shown in Figure 7, the tube wall of its described long tube body 1 is the concrete wall.
Feature of the present invention is that also the tube wall of described long tube body 1 is mortar or fibre mortar or fleece mortar or wire mesh mortar wall.As shown in Figure 5, the tube wall of its described long tube body 1 is a fleece mortar wall.
Feature of the present invention is that also described Cavity structural member has at least two vertical slotted hole holes 18.As shown in Figure 8, its described Cavity structural member has two vertical slotted hole holes 18.
Feature of the present invention also is to be parallel to each other between a plurality of described vertical slotted holes hole 18.As shown in Figure 8, be parallel to each other between its a plurality of described vertical slotted holes hole 18.
The cross section that feature of the present invention also is described slotted hole hole 18 for circular, square, arc angle is square or oval.As shown in Figure 8, its cross section in described slotted hole hole 18 is square.
Feature of the present invention is that also there is tube wall connector 4 at internal-rib 19 places between the slotted hole hole 18 in the described cross rib groove 3.As shown in Figure 8, there is tube wall connector 4 at internal-rib 19 places between the slotted hole hole 18 in its described cross rib groove 3.
Feature of the present invention is that also at least two tube wall connectors 4 are arranged in the described cross rib groove 3.As shown in Figure 1, in its described cross rib groove 3 two tube wall connectors 4 are arranged.
Feature of the present invention is that also described Cavity structural member is provided with carrying suspender member 20.As shown in Figure 8, its described Cavity structural member is provided with carrying suspender member 20.
During the invention process, can adopt the reel mould, on the mould of spreading out, adopt cement mortar or concrete to include gauze wire cloth or the reinforcing bar slip that paved earlier, and it is elongated whole dull and stereotyped to descend tube wall 2 to make all-in-one-piece, and corresponding other tube wall position setting cross rib groove 3 vertical with the tubular axis line at long tube body 1,3 of cross rib grooves have the tube wall at least one place that continuous connector 4 is arranged, connector 4 can be tube wall itself, then the reel mould is wound up amalgamation, the good joint close each other of compacting and cleaning, form whole, simultaneously, the elongated both sides of tube wall 2 down from long tube body 1 are extended with vertical toss 5, above-mentioned Cavity structural member, maintenance promptly obtains the concrete hollow board Cavity structural member to stipulating the demoulding after the length of time.

Claims (17)

1, a kind of concrete hollow board Cavity structural member, comprise the long tube body (1) that contains at least one vertical slotted hole hole, the shape of cross section of long tube body (1) is a quadrangle, it is characterized in that the elongated whole flat board of the following tube wall (2) of described long tube body (1) for one, other tube wall of long tube body (1) has the cross rib groove (3) of at least one place or oblique vertical with the tubular axis line, there is the tube wall at least one place that continuous connector (4) is arranged between cross rib groove (3), interior hush panel (7) shutoff is arranged in the both sides tube chamber of cross rib groove (3), there is plug (8) shutoff at the two ends of long tube body (1), and there is vertical toss (5) the elongated both sides of tube wall (2) down of long tube body (1).
2, a kind of concrete hollow board Cavity structural member, comprise the long tube body (1) that contains at least one vertical slotted hole hole, the shape of cross section of long tube body (1) is a quadrangle, it is characterized in that the elongated whole flat board of the following tube wall (2) of described long tube body (1) for one, other tube wall of long tube body (1) has the cross rib groove (3) of at least one place or oblique vertical with the tubular axis line, there is the tube wall at least one place that continuous connector (4) is arranged between cross rib groove (3), there is vertical toss (5) the elongated both sides of tube wall (2) down of long tube body (1), partly or entirely are filled with light material (6) in the both sides tube chamber of cross rib groove (3).
3, a kind of concrete hollow board Cavity structural member according to claim 1 and 2 is characterized in that at least two described cross rib grooves (3) are parallel.
4, a kind of concrete hollow board Cavity structural member according to claim 1 and 2 is characterized in that there are elongated prestressing force or nonprestressed reinforcement or steel strand (10) in the following tube wall (2) of described long tube body (1) and side pipe wall (9) intersection area.
5, a kind of concrete hollow board Cavity structural member according to claim 1 and 2 is characterized in that there are elongated prestressing force or nonprestressed reinforcement or steel strand (10) in the side pipe wall (9) of described long tube body (1) and the position that push pipe wall (11) intersects.
6, a kind of concrete hollow board Cavity structural member according to claim 1 and 2 is characterized in that the connector (4) of described tube wall is arranged at side pipe wall (9) and push pipe wall (11) intersection area, and tube wall connector (4) is a tube wall itself.
7, a kind of concrete hollow board Cavity structural member according to claim 1 and 2 is characterized in that the connector (4) of described tube wall is arranged on the push pipe wall (11), and tube wall connector (4) is a tube wall itself.
8, a kind of concrete hollow board Cavity structural member according to claim 1 and 2 is characterized in that being provided with in the tube chamber of described long tube body (1) at least one that supports in force rod (12), the floor of putting more energy into (13) or the reinforcing rib (14).
9, a kind of concrete hollow board Cavity structural member according to claim 1 and 2 is characterized in that described long tube body (1) is provided with at least a in inner corner trim (15), groove (16) or recessed (17).
10, a kind of concrete hollow board Cavity structural member according to claim 1 and 2, the tube wall that it is characterized in that described long tube body (1) are concrete or gauze wire cloth concrete wall.
11, a kind of concrete hollow board Cavity structural member according to claim 1 and 2, the tube wall that it is characterized in that described long tube body (1) are mortar or fibre mortar or fleece mortar or wire mesh mortar wall.
12, a kind of concrete hollow board Cavity structural member according to claim 1 and 2 is characterized in that described Cavity structural member has at least two vertical slotted hole holes (18).
13, a kind of concrete hollow board Cavity structural member according to claim 12 is characterized in that being parallel to each other between a plurality of described vertical slotted hole holes (18).
14, a kind of concrete hollow board Cavity structural member according to claim 12, the cross section that it is characterized in that described slotted hole hole (18) for circular, square, arc angle is square or oval.
15, a kind of concrete hollow board Cavity structural member according to claim 12 is characterized in that the internal-rib (19) between the slotted hole hole (18) in the described cross rib groove (3) has been located tube wall connector (4).
16, a kind of concrete hollow board Cavity structural member according to claim 1 and 2 is characterized in that at least two tube wall connectors (4) are arranged in the described cross rib groove (3).
17, a kind of concrete hollow board Cavity structural member according to claim 1 and 2 is characterized in that described Cavity structural member is provided with carrying suspender member (20).
CNB200410097666XA 2004-11-23 2004-11-23 Cavity structural member for hollow concrete slab CN100449093C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB200410097666XA CN100449093C (en) 2004-11-23 2004-11-23 Cavity structural member for hollow concrete slab

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB200410097666XA CN100449093C (en) 2004-11-23 2004-11-23 Cavity structural member for hollow concrete slab

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Publication Number Publication Date
CN1779198A CN1779198A (en) 2006-05-31
CN100449093C true CN100449093C (en) 2009-01-07

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1284402A (en) * 1968-08-06 1972-08-09 Rheinbau Gmbh Improvements in and relating to building constructions
CN2127402Y (en) * 1992-01-13 1993-02-24 陈焕武 Hollow concrete tenon-connecting block
JP2002021240A (en) * 2000-07-12 2002-01-23 Nippon Kaiser Kk Precast concrete plate, slab and structure
EP1180563A1 (en) * 1999-05-17 2002-02-20 Jaime Enrique Jimenez Sanchez Method for fabricating slabs having polyestyrene arches and prestressed concrete rib and slabs thus fabricated
CN1337507A (en) * 2001-09-30 2002-02-27 邱则有 Hollow tubular member of combined reinforced concrete depositing structure
CN1415815A (en) * 2002-12-15 2003-05-07 邱则有 Light weight structural piece for use of filling concrete
CN2622281Y (en) * 2003-04-02 2004-06-30 肖燎 Structure of hollow building floor casted on-site made of steel reinforced concrete with flat beam
CN2625473Y (en) * 2003-07-24 2004-07-14 吴方伯 Reinforced concrete assembly floorslab
CN1528995A (en) * 2003-10-01 2004-09-15 邱则有 Shuttering member

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1284402A (en) * 1968-08-06 1972-08-09 Rheinbau Gmbh Improvements in and relating to building constructions
CN2127402Y (en) * 1992-01-13 1993-02-24 陈焕武 Hollow concrete tenon-connecting block
EP1180563A1 (en) * 1999-05-17 2002-02-20 Jaime Enrique Jimenez Sanchez Method for fabricating slabs having polyestyrene arches and prestressed concrete rib and slabs thus fabricated
JP2002021240A (en) * 2000-07-12 2002-01-23 Nippon Kaiser Kk Precast concrete plate, slab and structure
CN1337507A (en) * 2001-09-30 2002-02-27 邱则有 Hollow tubular member of combined reinforced concrete depositing structure
CN1415815A (en) * 2002-12-15 2003-05-07 邱则有 Light weight structural piece for use of filling concrete
CN2622281Y (en) * 2003-04-02 2004-06-30 肖燎 Structure of hollow building floor casted on-site made of steel reinforced concrete with flat beam
CN2625473Y (en) * 2003-07-24 2004-07-14 吴方伯 Reinforced concrete assembly floorslab
CN1528995A (en) * 2003-10-01 2004-09-15 邱则有 Shuttering member

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