CN1779150B - Cavity structural member for filling hollow concrete slab - Google Patents
Cavity structural member for filling hollow concrete slab Download PDFInfo
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- CN1779150B CN1779150B CN 200410092861 CN200410092861A CN1779150B CN 1779150 B CN1779150 B CN 1779150B CN 200410092861 CN200410092861 CN 200410092861 CN 200410092861 A CN200410092861 A CN 200410092861A CN 1779150 B CN1779150 B CN 1779150B
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- concrete
- structural member
- obturator
- cavity structural
- hollow board
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Abstract
A hollow component used as filler of a hollow plate consists of a substrate, filling bodies on the substrate, spaced each other and integrated with it to form a whole body. The internal mould cavitiesbetween the filling bodies are parallel or perpendicular. Some supporting parts are arranged in the internal cavities. At least one upper steel bar goes through at least one internal mould cavity andat least two filling bodies. The supporting parts and filling bodies and upper steel bar form upper bearing unit commonly. Another steel bar is arranged in the substrate and at the same vertical plane where the upper steel bar locates. It can be used for hollow board, roof, and substrate, etc.
Description
(1) technical field
The present invention relates to a kind of concrete hollow board cavity structural member for filling.
(2) background technology
Advantages such as at present, the building of brick mix structure and reinforced concrete structure major part adopts precast hollow slab as floor structure, and it is fast that this floor structure has speed of application, and cost is low.But, only use the cement mortar joint filling, thereby globality is poor, is unfavorable for antidetonation, and phenomenons such as slit cracking, infiltration often occur owing to firmly do not link between adjacent two precast hollow slabs.In order to address the above problem, a lot of building have adopted the method for Cast-in-place concrete floor (solid, hollow), though solved antidetonation and problems of crack, will use template in a large number during construction, have not only increased expense, and have slowed down speed of application, have prolonged the duration.Application number is " a kind of combination concrete rib floor structure " utility model patent of 00203695.9, it is made up of prefabricated plate, formwork, dark rib, upper plate, each prefabricated plate is placed at interval, on prefabricated plate, be fixed with formwork, be provided with dark rib between contiguous prefabricated thin plate or the formwork, upper plate covers on the formwork, and connects as one with dark rib.Though this floor structure can be saved a large amount of templates, accelerate construction progress, but because formwork is what to separate with prefabricated plate, its strength and stiffness are corresponding relatively poor, thereby the problem that exists formwork easily to break, simultaneously, formwork is fixed on and does not relate to concrete fixed form on the prefabricated plate, thereby fixed in place is difficult.And the patent No. is 93206310.1 shuttering member utility model patent, it constitutes hollow mould shell by sidewall and formwork upper plate and is connected to form totally-enclosed cavity polyhedral structure with lower shoe again, prefabricated ribs is arranged in it, during use member is placed on the supporter of floor gap, formation bonded to one another is whole between cast-in-place main rib, the shuttering member.When this kind member uses, be a kind of prefabricated noggin piece purely, the ribs in the die housing only is used to support formwork, can not participate in the whole stressed of superstructure.And when being applied in than the large spatial structure superstructure, its stress performance is also phase strain differential thereupon, do not have time rib between the cast-in-place main rib and connect, thereby make the size of main rib need the phase strain big, or the quantity of main rib increases, and causes material usage to increase, and cost increases.For this reason, the applicant has applied for that November 15 calendar year 2001 publication number is that CN1349028A, name are called " a kind of Comobined ribbed cavity member for spatial structure roof " patent of invention, its disclosed Cavity structural member includes formwork and structure base plate, hollow mould shell and structure base plate connect into integral body, it is characterized in that having 2 hollow mould shells on the structure base plate at least alternately, its side and structure base plate constitute at least one cast-in-place structural time rib die cavity, and other lateral surface of hollow mould shell constitutes the side template of cast-in-place structural main rib or beam or wall.Like this, because on the prior art basis, at least 2 hollow mould shells and at least 1 cast-in-place structural time rib die cavity (internal-rib die cavity) are arranged on the structure base plate, on the structure base plate, just can form cast-in-place structure time rib, fellowship structure base plate, main rib, upper plate stressed, form two-way main rib time rib force structure, problems of the prior art have not only been solved, but also overall performance, the anti-seismic performance of superstructure have further been improved, reduced the thickness of superstructure, alleviate dead load, reduced cost.But this Cavity structural member is in carrying, work progress, and its structure base plate is prone to the phenomenon that fractures, thereby the breakage rate of Cavity structural member is big, and carrying, construction inconvenience have increased construction cost.For this reason, develop a kind of novel hollowcore slab cavity structural member for filling for being badly in need of.
(3) summary of the invention
The object of the present invention is to provide a kind of concrete hollow board cavity structural member for filling, have characteristics such as intensity height, non-frangibility, carrying, easy construction.
Solution of the present invention is on the basis of existing technology, comprise the concrete base plate, obturator on the concrete base plate, obturator is alternately on the concrete base plate, and be linked to be whole primary structure member with it, the parallel or quadrature of alternate internal-rib die cavity between obturator, it is characterized in that in the described internal-rib die cavity support draw piece being arranged, there is the last reinforcing bar of at least one lengthwise to pass at least one internal-rib die cavity and at least two obturators, the support draw piece is or/and the last reinforcing bar of lengthwise, obturator forms the collaborative top primary structure member of disjunctor jointly, concrete base plate and obturator are bottom cooperative bearing member, the following reinforcing bar of at least one lengthwise and the last parallel reinforced steel bar of at least one lengthwise are arranged in the concrete base plate, on the lengthwise, following reinforcing bar is in same vertical plane, on the lengthwise, the plane at following reinforcing bar place is vertical with base plate.Like this, owing in the internal-rib die cavity support draw piece is arranged, there is the last reinforcing bar of at least one lengthwise to pass at least one internal-rib die cavity and at least two obturators, thereby the intensity of concrete hollow board cavity structural member for filling and rigidity are bigger, shock resistance is better, and the support draw piece is or/and the last reinforcing bar of lengthwise, obturator forms the collaborative top primary structure member of disjunctor jointly, concrete base plate and obturator are bottom cooperative bearing member, the following reinforcing bar of at least one lengthwise and the last parallel reinforced steel bar of at least one lengthwise are arranged in the concrete base plate, on the lengthwise, following reinforcing bar is in same vertical plane, on the lengthwise, the plane at following reinforcing bar place is vertical with base plate, thereby can further improve the overall performance of Cavity structural member, anti-seismic performance and mechanical property, has the intensity height, rigidity is big, frangibility not, carrying, characteristics such as easy construction, thus reached purpose of the present invention; Simultaneously, the concrete hollow board cavity structural member for filling also has characteristics such as simple in structure, easily manufactured, that cost is low, the hollowcore slab, hollow building cover, roof system, sole plate, body of wall and the hollow bridges that are applicable to cast-in-situ reinforced concrete or prestressed reinforced concrete are used, and are specially adapted to hollow arch without beam and use.
Feature of the present invention is that also described obturator has at least three to be arranged in parallel on same axis.Like this, when described concrete hollow board cavity structural member for filling be applied to cast-in-place concrete cored in after, can find time the in a large number concrete that do not stress in the In-situ cast concrete board, form hollow structure plate, can reduce floor weight significantly, alleviate the dead load of the inner load-carrying construction of floor, make floor slab structure lighter, supporting capacity is stronger.
Feature of the present invention is that also described obturator is the noggin piece of cavity or light solid.Like this, can be according to the different needs of actual conditions, rationally select packing material to satisfy to use needs for use, convenient construction, reduce cost.
Feature of the present invention also is the inner or outer structure primary load bearing member of bearing structure stress with concrete hollow board jointly that is provided with of described obturator.Like this, when described concrete hollow board cavity structural member for filling be applied to cast-in-place concrete cored in after, but structure primary load bearing member participation structure is stressed jointly, has strengthened the supporting capacity of floor, makes the structure of floor more reasonable.
Feature of the present invention is that also described structure primary load bearing member and concrete base plate link the common primary structure member of formation.Like this, after structure primary load bearing member and base plate binding, structure primary load bearing member and base plate have connected to integral body, when described concrete hollow board cavity structural member for filling be applied to cast-in-place concrete cored in after, structure primary load bearing member and base plate participation structure are stressed jointly, strengthened the supporting capacity of floor, made the structure of floor more reasonable.
Feature of the present invention is that also described structure primary load bearing member is communicated with at least three obturators.Like this, when described concrete hollow board cavity structural member for filling be applied to cast-in-place concrete cored in after, the not concrete of load of having found time in a large number in the In-situ cast concrete board, formed hollow structure plate, reduced floor weight significantly, alleviated the dead load of the inner load-carrying construction of floor, made floor slab structure lighter, weight bearing power is stronger; Simultaneously, it is stressed jointly that structure primary load bearing member participates in the inner load-carrying construction of floor, can improve the inner load-carrying construction of floor.
Feature of the present invention also is the parallel or quadrature of described structure primary load bearing member.Like this, when described concrete hollow board cavity structural member for filling be applied to cast-in-place concrete cored in after, parallel or the quadrature of a plurality of structure primary load bearing members, formed in floor inside and to be parallel to each other or the prefabricated load-carrying member of quadrature, further strengthened cast-in-place concrete cored load-carrying construction, made it can bear bigger load.
Feature of the present invention is that also described structure primary load bearing member is at least a in plate, pier, bar, truss or the abacus.Like this, the variation of structure primary load bearing member material and structure can be satisfied the different designs requirement of product, and can adopt reasonable manner according to different needs.
Feature of the present invention is that also described structure primary load bearing member is concrete or reinforced concrete member.Like this, when structure primary load bearing member was concrete or reinforced concrete member, intensity height, the rigidity of structure primary load bearing member were big, and low price can be saved the lot of materials cost simultaneously, and is easily manufactured, can realize producing in enormous quantities, but and integral one-step molding.
Feature of the present invention also is the gluing that is connected between structure primary load bearing member in the described obturator and the filling member, perhaps also has reinforce connection, build-in or welding each other.Like this, when adopting glued mode to be connected between the structure primary load bearing member in the obturator and the filling member, both are easy to connect, make that the speed of producing the concrete hollow board cavity structural member for filling is accelerated significantly, and simultaneously, cost is low, connect reliable.
Feature of the present invention is that also described at least one side concrete base plate stretches out outside the obturator.Like this, obturator further found time cast-in-place concrete cored in the Cast-in-place concrete of load not, reduced cast-in-place concrete cored deadweight significantly, compare with cast-in-place concrete cored under the square one, improved cast-in-place concrete cored supporting capacity greatly, made the cost performance of floor higher.
Feature of the present invention is that also described concrete base plate homonymy stretches out the obturator more than four.Like this, after the homonymy of base plate is extended with obturator more than four, obturator further found time cast-in-place concrete cored in the Cast-in-place concrete of load not, reduced cast-in-place concrete cored deadweight significantly, compare with cast-in-place concrete cored under the square one, improved cast-in-place concrete cored weight bearing power greatly, made the cost performance of floor higher.
Feature of the present invention is that also described concrete base plate both sides stretch out the obturator more than four.Like this, after the both sides of base plate are extended with four above obturators, obturator further found time cast-in-place concrete cored in the Cast-in-place concrete of load not, reduced cast-in-place concrete cored deadweight significantly, compare with cast-in-place concrete cored under the square one, improved cast-in-place concrete cored supporting capacity greatly, made the cost performance of floor higher.
Feature of the present invention also is to have on the described concrete base plate two row's obturators.Like this, when described concrete hollow board cavity structural member for filling be applied to cast-in-place concrete cored in after, the not concrete of load of can finding time in a large number in the In-situ cast concrete board, form hollow structure plate, reduce floor weight significantly, alleviate the dead load of the inner load-carrying construction of floor, make floor slab structure lighter, supporting capacity is stronger.
Feature of the present invention also is described concrete base plate or/and obturator is provided with at least one in projection, reinforcing bar filler strip, the pit.Like this, after described concrete hollow board cavity structural member for filling is applied in the In-situ cast concrete board, Cast-in-place concrete pours in the above-mentioned structure, projection, reinforcing bar filler strip can accurately be located reinforcing bar, guarantee the pouring quality of floor, Cast-in-place concrete pours in pit or the hole can corresponding formation Cast-in-place concrete load-carrying construction member, can improve the structural performance of floor effectively.
Feature of the present invention is that also described obturator is provided with at least one in inner corner trim, chamfering or the arc angle.Like this, when the concrete hollow board cavity structural member for filling be applied to cast-in-place concrete cored in after, Cast-in-place concrete pours in inner corner trim, chamfering or the arc angle, correspondingly forms local Cast-in-place concrete and adds competent structure.
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 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.
(5) specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
The present invention as shown in drawings, comprise concrete base plate 1, obturator 2 on the concrete base plate 1, obturator 2 is alternately on concrete base plate 1, and be linked to be whole primary structure member with it, alternate internal-rib the die cavity 3 parallel or quadratures that obturator is 2, it is characterized in that having in the described internal-rib die cavity 3 support draw piece 4, there is the last reinforcing bar 5 of at least one lengthwise to pass at least one internal-rib die cavity 3 and at least two obturators 2, support draw piece 4 is or/and the last reinforcing bar 5 of lengthwise, the obturator 2 common collaborative top primary structure members that form disjunctor, concrete base plate 1 and obturator 2 are bottom cooperative bearing member, there is the following reinforcing bar 5 of at least one lengthwise parallel in the concrete base plate 1 with the last reinforcing bar 5 of at least one lengthwise, on the lengthwise, following reinforcing bar 5 is in same vertical plane, on the lengthwise, the plane at following reinforcing bar 5 places is vertical with base plate 1.In each accompanying drawing, 1 is the concrete base plate, and 2 is obturator, and 3 is the internal-rib die cavity, and 4 are the support draw piece, and 5 is reinforcing bar, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, support draw piece 4 is arranged in its described internal-rib die cavity 3, there is the last reinforcing bar 5 of lengthwise to pass four internal-rib die cavitys 3 and five obturators 2, the last reinforcing bar 5 of support draw piece 4, lengthwise and the obturator 2 common collaborative top primary structure members that form disjunctor, concrete base plate 1 and obturator 2 are bottom cooperative bearing member, there is the following reinforcing bar 5 of lengthwise parallel in the concrete base plate 1 with the last reinforcing bar 5 of lengthwise, the upper and lower reinforcing bar 5 of lengthwise is in same vertical plane, and the plane at upper and lower reinforcing bar 5 places of lengthwise is vertical with base plate 1.
Feature of the present invention is that also described obturator 2 has at least three to be arranged in parallel on same axis.As shown in Figure 1, its described obturator 2 has five and is arranged in parallel on same axis.
Feature of the present invention also is the noggin piece of described obturator 2 for cavity or light solid.As shown in Figure 1, its described obturator 2 is the cavity noggin piece.
Feature of the present invention also is described the obturator 2 inner or outer structure primary load bearing members 6 of bearing structure stress with concrete hollow board jointly that are provided with.As shown in Figure 2, its described obturator 2 skins are provided with the structure primary load bearing member 6 of bearing structure stress with concrete hollow board jointly.
Feature of the present invention is that also described structure primary load bearing member 6 and concrete base plate 1 link the common primary structure member of formation.As shown in Figure 2, its described structure primary load bearing member 6 links the common primary structure member of formation with concrete base plate 1.
Feature of the present invention is that also described structure primary load bearing member 6 is communicated with at least three obturators 2.As shown in Figure 2, its described structure primary load bearing member 6 is communicated with five obturators 2.
Feature of the present invention also is described structure primary load bearing member 6 parallel or quadratures.As shown in Figure 2, its described structure primary load bearing member 6 is parallel.
Feature of the present invention also is at least a in plate, pier, bar, truss or the abacus of described structure primary load bearing member 6.As shown in Figure 3, its described structure primary load bearing member 6 is the plate of two quadratures.
Feature of the present invention is that also described structure primary load bearing member 6 is concrete or reinforced concrete member.As shown in Figure 3, its described structure primary load bearing member 6 is the concrete member.
Feature of the present invention also is to be connected to gluing, perhaps reinforce 7 connections, build-in or welding in addition each other between structure primary load bearing member 6 and the filling member 2 in the described obturator 2.As shown in Figure 3, be connected to gluing between the structure primary load bearing member 6 in its described obturator 2 and the filling member 2, each other reinforce 7 build-ins in addition.
Feature of the present invention is that also described at least one side concrete base plate 1 stretches out outside the obturator 2.As shown in Figure 4, its described concrete base plate 1 stretches out outside the obturator 2.
Feature of the present invention is that also described concrete base plate 1 homonymy stretches out the obturator 2 more than four.As shown in Figure 4, its described concrete base plate 1 homonymy stretches out five obturators 2.
Feature of the present invention is that also described concrete base plate 1 both sides stretch out the obturator 2 more than four.As shown in Figure 5, its described concrete base plate 1 both sides are extended with ten obturators 2 altogether
Feature of the present invention also is to have on the described concrete base plate 1 two row's obturators 2.As shown in Figure 1, two row's obturators 2 are arranged on its described concrete base plate 1.
Feature of the present invention also is described concrete base plate 1 or/and obturator is provided with at least one in projection 8, reinforcing bar filler strip 9, the pit 10.As shown in Figure 6, its described obturator 2 is provided with projection 8, reinforcing bar filler strip 9 and pit 1O.
Feature of the present invention is that also described obturator 2 is provided with at least one in inner corner trim 11, chamfering 12 or the arc angle 13.As shown in Figure 7, its described obturator 2 is provided with inner corner trim 11, chamfering 12 and arc angle 13.
Feature of the present invention is that also described Cavity structural member is provided with carrying suspender member 14.As shown in Figure 6, its described Cavity structural member is provided with carrying suspender member 14.
During the invention process, can make the obturator 2 of cavity earlier of the cement mortar glass fiber, be provided with cement mortar support draw piece 4 between the obturator 2, and pass at least two obturators 2, make obturator 2 become the cavity obturator member of bunchiness with reinforcing bar 5; Make concrete base plate 1 with cement concrete and reinforcing bar 5 then, the following reinforcing bar 5 that is provided with at least one lengthwise in concrete base plate 1 is parallel with reinforcing bar 5 at least one lengthwise that passes obturator 2, the upper and lower reinforcing bar 5 of lengthwise is in same vertical plane, and vertical with base plate 1, at concrete base plate 1 not during setting and harden, the obturator 2 of prefabricated bunchiness is provided with on it, and be bonded to integral body, after treating its setting and harden, maintenance promptly gets the concrete hollow board cavity structural member for filling to stipulating the length of time.
Claims (20)
1. concrete hollow board cavity structural member for filling, comprise concrete base plate (1), obturator (2) on the concrete base plate (1), obturator (2) is alternately on concrete base plate (1), and be linked to be whole primary structure member with it, the parallel or quadrature of alternate internal-rib die cavity (3) between obturator (2), it is characterized in that support draw piece (4) is arranged in the described internal-rib die cavity (3), there is the last reinforcing bar (5) of at least one lengthwise to pass at least one internal-rib die cavity (3) and at least two obturators (2), support draw piece (4) is or/and the last reinforcing bar (5) of lengthwise, obturator (2) forms the collaborative top primary structure member of disjunctor jointly, concrete base plate (1) and obturator (2) are bottom cooperative bearing member, there is the following reinforcing bar (5) of at least one lengthwise parallel in the concrete base plate (1) with the last reinforcing bar (5) of at least one lengthwise, on the lengthwise, following reinforcing bar (5) is in same vertical plane, on the lengthwise, the plane at following reinforcing bar (5) place is vertical with base plate (1).
2. concrete hollow board cavity structural member for filling according to claim 1 is characterized in that described obturator (2) has at least three to be arranged in parallel on same axis.
3. concrete hollow board cavity structural member for filling according to claim 1 is characterized in that the noggin piece of described obturator (2) for cavity or light solid.
4. concrete hollow board cavity structural member for filling according to claim 1 is characterized in that the inner or outer structure primary load bearing member (6) of bearing structure stress with concrete hollow board jointly that is provided with of described obturator (2).
5. concrete hollow board cavity structural member for filling according to claim 4 is characterized in that described structure primary load bearing member (6) and concrete base plate (1) link the common primary structure member of formation.
6. concrete hollow board cavity structural member for filling according to claim 4 is characterized in that described structure primary load bearing member (6) is communicated with at least three obturators (2).
7. concrete hollow board cavity structural member for filling according to claim 6 is characterized in that the parallel or quadrature of described structure primary load bearing member (6).
8. concrete hollow board cavity structural member for filling according to claim 4 is characterized in that at least a in plate, pier or the bar of described structure primary load bearing member (6).
9. concrete hollow board cavity structural member for filling according to claim 8 is characterized in that described structure primary load bearing member (6) is truss or abacus.
10. concrete hollow board cavity structural member for filling according to claim 4 is characterized in that described structure primary load bearing member (6) is the concrete member.
11. concrete hollow board cavity structural member for filling according to claim 4 is characterized in that described structure primary load bearing member (6) is a reinforced concrete member.
12. concrete hollow board cavity structural member for filling according to claim 4 is characterized in that the gluing that is connected between structure primary load bearing member (6) and the filling member (2) in the described obturator (2), perhaps also has reinforce (7) connection each other.
13. concrete hollow board cavity structural member for filling according to claim 12 is characterized in that being connected to build-in or welding between the reinforce (7).
14. concrete hollow board cavity structural member for filling according to claim 1 is characterized in that described at least one side concrete base plate (1) stretches out outside the obturator (2).
15. concrete hollow board cavity structural member for filling according to claim 1 is characterized in that described concrete base plate (1) homonymy stretches out the obturator (2) more than four.
16. concrete hollow board cavity structural member for filling according to claim 1 is characterized in that described concrete base plate (1) both sides stretch out the obturator (2) more than four.
17. concrete hollow board cavity structural member for filling according to claim 1 is characterized in that having on the described concrete base plate (1) two row's obturators (2).
18. concrete hollow board cavity structural member for filling according to claim 1 is characterized in that described concrete base plate (1) or/and obturator (2) is provided with at least one in projection (8), reinforcing bar filler strip (9), the pit (10).
19. concrete hollow board cavity structural member for filling according to claim 1 is characterized in that described obturator (2) is provided with at least one in inner corner trim (11), chamfering (12) or the arc angle (13).
20. concrete hollow board cavity structural member for filling according to claim 1 is characterized in that described Cavity structural member is provided with carrying suspender member (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410092861 CN1779150B (en) | 2004-11-19 | 2004-11-19 | Cavity structural member for filling hollow concrete slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410092861 CN1779150B (en) | 2004-11-19 | 2004-11-19 | Cavity structural member for filling hollow concrete slab |
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| Publication Number | Publication Date |
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| CN1779150A CN1779150A (en) | 2006-05-31 |
| CN1779150B true CN1779150B (en) | 2010-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410092861 Expired - Fee Related CN1779150B (en) | 2004-11-19 | 2004-11-19 | Cavity structural member for filling hollow concrete slab |
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Citations (7)
| 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 |
| WO2001088297A1 (en) * | 2000-05-16 | 2001-11-22 | Jaime Enrique Jimenez Sanchez | Process for fabricating in situ a light alveolar plate, plate thus obtained and its application to the construction of houses |
| JP2002021240A (en) * | 2000-07-12 | 2002-01-23 | Nippon Kaiser Kk | Precast concrete plate, slab and structure |
| DE20213513U1 (en) * | 2002-09-03 | 2002-12-19 | V Tec Bauteile Vertriebs Gmbh | Concrete skirting board made of lightweight concrete in connection with lattice girders as rigid reinforcement |
| 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 |
| CN2649670Y (en) * | 2003-09-05 | 2004-10-20 | 张效思 | Two-way forced prestressed hollow plate |
-
2004
- 2004-11-19 CN CN 200410092861 patent/CN1779150B/en not_active Expired - Fee Related
Patent Citations (7)
| 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 |
| WO2001088297A1 (en) * | 2000-05-16 | 2001-11-22 | Jaime Enrique Jimenez Sanchez | Process for fabricating in situ a light alveolar plate, plate thus obtained and its application to the construction of houses |
| JP2002021240A (en) * | 2000-07-12 | 2002-01-23 | Nippon Kaiser Kk | Precast concrete plate, slab and structure |
| DE20213513U1 (en) * | 2002-09-03 | 2002-12-19 | V Tec Bauteile Vertriebs Gmbh | Concrete skirting board made of lightweight concrete in connection with lattice girders as rigid reinforcement |
| CN2625473Y (en) * | 2003-07-24 | 2004-07-14 | 吴方伯 | Reinforced concrete assembly floorslab |
| CN2649670Y (en) * | 2003-09-05 | 2004-10-20 | 张效思 | Two-way forced prestressed hollow plate |
| CN1528995A (en) * | 2003-10-01 | 2004-09-15 | 邱则有 | Shuttering member |
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| Publication number | Publication date |
|---|---|
| CN1779150A (en) | 2006-05-31 |
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