CN102041863B - Cavity member for concrete hollow slabs - Google Patents
Cavity member for concrete hollow slabs Download PDFInfo
- Publication number
- CN102041863B CN102041863B CN2010105618924A CN201010561892A CN102041863B CN 102041863 B CN102041863 B CN 102041863B CN 2010105618924 A CN2010105618924 A CN 2010105618924A CN 201010561892 A CN201010561892 A CN 201010561892A CN 102041863 B CN102041863 B CN 102041863B
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- Prior art keywords
- side plate
- structural member
- filling block
- lightweight filling
- cavity structural
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- 239000004567 concrete Substances 0.000 title claims abstract description 73
- 230000003014 reinforcing effect Effects 0.000 claims description 21
- 230000002787 reinforcement Effects 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000004570 mortar (masonry) Substances 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 239000004744 fabric Substances 0.000 claims description 10
- 239000003351 stiffener Substances 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000005728 strengthening Methods 0.000 claims description 5
- 239000011150 reinforced concrete Substances 0.000 abstract description 6
- 238000011065 in-situ storage Methods 0.000 abstract description 2
- 210000002435 tendon Anatomy 0.000 abstract 2
- 238000010276 construction Methods 0.000 description 15
- 238000009434 installation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 230000035939 shock Effects 0.000 description 4
- 241000132536 Cirsium Species 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000011083 cement mortar Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention provides a cavity member for concrete hollow slabs. The cavity member comprises a reinforced concrete bottom slab (1) and at least two reinforced concrete side slabs (2), wherein the side slabs (2) are erected on the bottom slab (1) to form an elongated trough slab member. The cavity member is characterized in that an elongated trough of the elongated trough slab member is filled with at least two light weight filled blocks (3); the bottom slab (1) at the bottom of the side slabs (2) is provided with at least one longitudinal full-length prestressed tendon (4); the tops of the side slabs (2) are provided with at least one longitudinal full-length prestressed tendon (4); the light weight filled blocks (3) are spaced and inner-ribbed cavities (5) are arranged between the light weight filled blocks (3); the inner-ribbed cavities (5) are orthogonal or skew with the side slabs (2); the side slabs (2) in the space between the light weight filled blocks (3) are provided with nicks (6); and the nicks (6) are provided with ties of tie piers (7) of the side slabs (2). The cavity member is suitable for the cast-in-situ reinforced concrete or prestressed reinforced concrete hollow slabs, hollow floors, roofs, foundation slabs, wall bodies and hollow bridges.
Description
The application is that November 22, application number in 2004 are that 200410092837X, name are called the dividing an application of application for a patent for invention of " a kind of concrete hollow board is used Cavity structural member " for the applying date.
(1) technical field
The present invention relates to a kind of concrete hollow board and use Cavity structural member.
(2) background technology
With Ribbed Bar concrete prefabricated element assembled light plate, can bear bidirectional load, do not need on-the-spot formwork, and cost is low, lifting, transportation are easily.This prefabricated units with ribbing comprise strip base plate, strip side plate, and side plate and base plate connect into integral body, constitute T shape or rectangular channel member.The side plate length of common this prefabricated units is consistent with floor length, is forming with this splicing prefabricated components when bearing the thistle board of bidirectional load, and Cast-in-place concrete can't pass through at the side plate position, the Cast-in-place concrete rib that intersects with side plate that can not form connection; Simultaneously, in the direction vertical with side plate, various pipe line arrangement need the scene threading that burrows, and have both wasted concrete material; Waste man-hour again, and, behind the Cast-in-place concrete; The thistle board of assembly unit is solid, and the concrete feed consumption is many, and thistle board weight is big; Unsuitable large span is built, and therefore, develops a kind of novel concrete hollow board and uses Cavity structural member 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 to use Cavity structural member, have that mechanical property is good, easy construction, simple in structure, save characteristics such as material, cost are low.
Solution of the present invention is on the basis of existing technology; Comprise steel bar concrete base plate, at least two steel bar concrete side plates, side plate stands upright on the base plate, constitutes strip frid member; It is characterized in that being filled with at least two lightweight filling blocks in the strip groove of described strip frid member; At least one vertical elongated prestressed reinforcement arranged in the base plate of the bottom of side plate, and at least one vertical elongated prestressed reinforcement arranged at the top of side plate, and the lightweight filling block is provided with at interval; Be the internal-rib cavity each other; Internal-rib cavity and side plate quadrature or oblique, jagged on the side plate between the lightweight filling block interval, the drawknot pier drawknot between the lightweight filling block is arranged on the internal-rib cavity.Like this, owing to be filled with at least two lightweight filling blocks in the strip groove of described strip frid member, thereby when Cavity structural member is applied to the hollowcore slab construction; The lightweight filling block can reduce the Cast-in-place concrete consumption; Alleviate hollowcore slab weight, reduce construction cost, improve the supporting capacity of hollowcore slab; Simultaneously, owing in the base plate of the bottom of side plate at least one vertical elongated prestressed reinforcement arranged, at least one vertical elongated prestressed reinforcement arranged at the top of side plate, thereby the intensity of Cavity structural member is high, rigidity is big, good integrity; And,, be the internal-rib cavity each other because the lightweight filling block is provided with at interval; Internal-rib cavity and side plate quadrature or oblique, jagged on the side plate between the lightweight filling block interval, the drawknot pier drawknot between the lightweight filling block is arranged on the internal-rib cavity; Thereby in the gap portions of side plate, Cast-in-place concrete can smooth and easy passing through, and forms the Cast-in-place concrete rib that intersects with side plate that is communicated with; With the cast-in-place and prefabricated two-way rib structure that combines of the common formation of side plate, simultaneously, in the direction vertical with side plate; Can lay various pipelines very swimmingly through the breach on the side plate, no longer need the scene to burrow; Therefore; This Cavity structural member has that mechanical property is good, easy construction, simple in structure, save characteristics such as material, cost are low; Thereby reached the object of the invention, simultaneously, Cavity structural member also has characteristics such as intensity height, rigidity is big, making is easy; 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.
Characteristic of the present invention also is to have between the described side plate drawknot concrete or the mortar fagging of at least one horizontal drawknot adjacent side plates.Like this, laterally the drawknot concrete or the mortar fagging of drawknot adjacent side plates can play the good supporting reinforcement effect to side plate, can guarantee the quality of Cavity structural member effectively, improve its intensity and rigidity, and simultaneously, its overall performance is better.
Characteristic of the present invention is that also there is the drawknot concrete or the mortar fagging of drawknot side plate the end of described side plate.Like this; Drawknot concrete or mortar fagging can play the good supporting reinforcement effect to side plate; Can guarantee the quality of Cavity structural member effectively; When Cavity structural member be applied to cast-in-place concrete cored in the time, fagging can combine with Cast-in-place concrete and form superimposed rib structure, can further improve the inner force structure of hollowcore slab.
Characteristic of the present invention is that also described drawknot concrete or mortar fagging and steel bar concrete base plate connect to integral body.Like this; Drawknot concrete or mortar fagging have been linked to be whole primary structure member with side plate and base plate; Make drawknot concrete or mortar fagging and side plate can bear the stress of two different directions, when Cavity structural member be applied to cast-in-place concrete cored in after, can further improve the structural performance of hollowcore slab.
Characteristic of the present invention also is to have on the described breach drawknot pier drawknot of side plate.Like this, when the drawknot pier drawknot of side plate was arranged on the breach, the drawknot pier had connected into integral body with side plate, can guarantee the quality of Cavity structural member effectively.
Characteristic of the present invention also is side plate drawknot pier and lightweight filling block drawknot pier disjunctor.Like this, when side plate drawknot pier and lightweight filling block drawknot pier disjunctor, the globality of Cavity structural member is better, pile up, transport, in installation and the construction application process, more not fragile, reduced the proportion of goods damageds of Cavity structural member.
Characteristic of the present invention is that also the lateral box wall of described lightweight filling block and side plate are overlapped into integral body.Like this, the lateral box wall and the side plate of lightweight filling block are overlapped into integral body, can improve globality and resistance to compression, tension and the shear behavior of hollowcore slab with Cavity structural member.
Characteristic of the present invention also is to stretch out reinforcing bar in the wall of described lightweight filling block or reinforces such as gauze wire cloth or fleece are anchored in the side plate or/and in the base plate.Like this; When stretching out reinforcing bar in the wall of lightweight filling block or reinforces such as gauze wire cloth or fleece are anchored in the side plate or in the base plate time, the lightweight filling block has the intensity height, the shock resistance damage capability is strong, not the advantage of cracky; Thereby make both secure and reliable connections; Be difficult for to reduce the proportion of goods damageds of Cavity structural member effectively, practice thrift cost piling up, transport, damaging in installation and the work progress.
Characteristic of the present invention is that also described reinforce stretches out and is anchored at base plate or/and in the side plate from the opening part of lightweight filling block sidewall.Like this, reinforce stretches out and is anchored at base plate or/and in the side plate, can improve the rigidity and the intensity of Cavity structural member greatly from the opening part of lightweight filling block sidewall.
Characteristic of the present invention is that also the interior reinforcing bar or the gauze wire cloth reinforce of wall of described lightweight filling block exposes.Like this, when the reinforcing bar in the wall of lightweight filling block or gauze wire cloth reinforce expose, can improve the adhesion strength between Cavity structural member and the Cast-in-place concrete.
Characteristic of the present invention is that also described sidewall is provided with the range line pier.Like this,, can carry out accurate range line location on sidewall, make it in application process, guarantee distance between the two, thereby guarantee the width or the thickness of Cast-in-place concrete, make the constructor be easy to hollowcore slab is carried out quality control Cavity structural member through the range line pier is set.
Characteristic of the present invention is that also described lightweight filling block is provided with reinforcing rib, perhaps is provided with bracing piece or stiffener in the cavity of lightweight filling block.Like this, when the lightweight filling block is provided with reinforcing rib, when perhaps being provided with bracing piece or stiffener in the cavity of lightweight filling block; The intensity of lightweight filling block, rigidity and shock resistance can be greatly enhanced; Make its pile up, transport, not fragile in installation and the construction application process, can reduce the proportion of goods damageds of Cavity structural member greatly, practice thrift cost; When said Cavity structural member be applied to cast-in-place concrete cored in after; But the supporting rod participation structure is stressed, improves the load-carrying construction system of hollowcore slab, and it is strengthened.
Characteristic of the present invention is that also described base plate is provided with at least one in reinforcing rib, bracing piece or the stiffener.Like this; When base plate was provided with reinforcing rib, bracing piece or stiffener, the intensity of base plate, rigidity and shock resistance had obtained significantly improving, make its pile up, transport, not fragile in installation and the construction application process; Can reduce the proportion of goods damageds of Cavity structural member greatly; Practice thrift cost, when Cavity structural member be applied to cast-in-place concrete cored in after, can improve the load-carrying construction system of hollowcore slab.
Characteristic of the present invention is that also described base plate stretches out side plate and constitutes toss outward.Like this, when Cavity structural member be applied to cast-in-place concrete cored in the time, outwardly directed toss can replace construction formwork, reduces the template loss, reduces material cost, can save the template installation procedure simultaneously, accelerates speed of application, improves efficiency of construction.
Characteristic of the present invention also is on the described lightweight filling block at least one in projection, raised line, groove or the pit arranged.Like this; When Cavity structural member be applied to cast-in-place concrete cored in the time; Projection, reinforcing bar filler strip can accurately be located reinforcing bar, guarantee the pouring quality of hollowcore slab, and Cast-in-place concrete pours in the pit can corresponding formation Cast-in-place concrete load-carrying construction member; Hole then can make things convenient for wearing of pipeline, can improve the structural performance of hollowcore slab effectively.
Characteristic of the present invention is that also described drawknot pier is for strengthening the drawknot pier.Like this; When the drawknot pier when strengthening the drawknot pier, the intensity of drawknot pier, rigidity and shock resistance have obtained significantly improving, make its pile up, transport, not fragile in installation and the construction application process; Can reduce the proportion of goods damageds of Cavity structural member greatly, practice thrift cost.
Characteristic 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.
Fig. 8 is the structural representation of the embodiment of the invention 8.
(5) specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
The present invention is shown in accompanying drawing; Comprise steel bar concrete base plate 1, at least two steel bar concrete side plates 2, side plate 2 stands upright on the base plate 1, constitutes strip frid member; It is characterized in that being filled with at least two lightweight filling blocks 3 in the strip groove of described strip frid member; At least one vertical elongated prestressed reinforcement 4 arranged in the base plate 1 of the bottom of side plate 2, and at least one vertical elongated prestressed reinforcement 4 arranged at the top of side plate 2, and lightweight filling block 3 is provided with at interval; Be internal-rib cavity 5 each other; Jagged 6 on internal-rib cavity 5 and side plate 2 quadratures or oblique, lightweight filling block 3 side plate 2 between at interval, drawknot pier 7 drawknots between the lightweight filling block 3 are arranged on the internal-rib cavity 5.In the accompanying drawing 1,1 is the steel bar concrete base plate, and 2 is side plate, and 3 is the lightweight filling block, and 4 is prestressed reinforcement, and 5 is the internal-rib cavity, and 6 is breach, and 7 is the drawknot pier, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, cavity is touched shell and is comprised steel bar concrete base plate 1, steel bar concrete side plate 2, and side plate 2 stands upright on the base plate 1; Constitute strip frid member, be filled with five lightweight filling blocks 3 in the strip groove of its described strip frid member, vertically elongated prestressed reinforcement 4 is arranged in the base plate 1 of the bottom of side plate 2; Vertically elongated prestressed reinforcement 4 is arranged at the top of side plate 2; Lightweight filling block 3 is provided with at interval, is internal-rib cavity 5 each other, internal-rib cavity 5 and side plate 2 quadratures; Jagged 6 on lightweight filling block 3 side plate 2 between at interval, drawknot pier 7 drawknots between the lightweight filling block 3 are arranged on the internal-rib cavity 5.
Characteristic of the present invention also is to have between the described side plate 2 the drawknot concrete or the mortar fagging 8 of at least one horizontal drawknot adjacent side plates 2.As shown in Figure 2, the drawknot concrete fagging 8 of horizontal drawknot adjacent side plates 2 is arranged between its described side plate 2.
Characteristic of the present invention is that also there is the drawknot concrete or the mortar fagging 8 of drawknot side plate 2 end of described side plate 2.As shown in Figure 2, there is the drawknot concrete fagging 8 of drawknot side plate 2 end of its described side plate 2.
Characteristic of the present invention is that also described drawknot concrete or mortar fagging 8 connect to integral body with steel bar concrete base plate 1.As shown in Figure 2, its described drawknot concrete fagging 8 connects to integral body with steel bar concrete base plate 1.
Characteristic of the present invention also is to have on the described breach 6 drawknot pier 7 drawknots of side plate 2.As shown in Figure 3, drawknot pier 7 drawknots of side plate 2 are arranged on its described breach 6.
Characteristic of the present invention also is described side plate drawknot pier 7 and lightweight filling block drawknot pier 7 disjunctors.As shown in Figure 4, its described side plate drawknot pier 7 and lightweight filling block drawknot pier 7 disjunctors.
Characteristic of the present invention is that also the lateral box wall of described lightweight filling block 3 and side plate 2 are overlapped into integral body.As shown in Figure 4, the lateral box wall of its described lightweight filling block 3 and side plate 2 are overlapped into integral body.
Characteristic of the present invention also is to stretch out reinforcing bar in the wall of described lightweight filling block 3 or reinforces such as gauze wire cloth or fleece 9 are anchored in the side plate 2 or/and in the base plate 1.As shown in Figure 5, stretch out reinforcing bar reinforce 9 in the wall of its described lightweight filling block 3 and be anchored in the side plate 2.
Characteristic of the present invention is that also described reinforce 9 stretches out and is anchored at base plate 1 or/and in the side plate 2 from the opening part of lightweight filling block sidewall.As shown in Figure 5, its described reinforce 9 stretches out and is anchored in the base plate 1 from the opening part of lightweight filling block sidewall.
Characteristic of the present invention is that also the interior reinforcing bar or the gauze wire cloth reinforce 9 of wall of described lightweight filling block 3 exposes.As shown in Figure 5, the reinforcing bar reinforce 9 in the wall of its described lightweight filling block 3 exposes.
Characteristic of the present invention is that also described sidewall 2 is provided with range line pier 10.As shown in Figure 5, its described sidewall 2 is provided with range line pier 10.
Characteristic of the present invention is that also described lightweight filling block 3 is provided with reinforcing rib 11, perhaps is provided with bracing piece 12 or stiffener 13 in the cavity of lightweight filling block 3.As shown in Figure 6, its described lightweight filling block 3 is provided with reinforcing rib 11, is provided with bracing piece 12 and stiffener 13 in the cavity of lightweight filling block 3.
Characteristic of the present invention is that also described base plate 1 is provided with at least one in reinforcing rib 11, bracing piece 12 or the stiffener 13.As shown in Figure 6, its described base plate 1 is provided with bracing piece 12 and stiffener 13.
Characteristic of the present invention is that also described base plate 1 stretches out side plate 2 outer formation toss 14.As shown in Figure 6, its described base plate 1 stretches out side plate 2 outer formation toss 14.
Characteristic of the present invention is that also projection 15 is arranged on the described lightweight filling block 3, in raised line 16, groove 17 or the pit 18 at least one.As shown in Figure 7, be respectively arranged with projection 15, raised line 16 and pit 18 on its described lightweight filling block 3.As shown in Figure 8, its lightweight filling block 3 is provided with groove 17.
Characteristic of the present invention is that also described drawknot pier 7 is for strengthening the drawknot pier.As shown in Figure 8, its described drawknot pier 7 is for strengthening the drawknot pier.
Characteristic of the present invention is that also described Cavity structural member is provided with carrying suspender member 19.As shown in Figure 8, its described Cavity structural member is provided with carrying suspender member 19.
When the present invention implements, can adopt cement concrete in the base plate mould, to make the base plate 1 that includes prestressed reinforcement 4 earlier, prop up the side plate mould then; Make the side plate 2 include prestressed reinforcement 4 with cement concrete again, it is provided with breach 6, at concrete base plate 1 and concrete side plate 2 not during setting and harden; The lightweight filling block of making in advance 3 is arranged on the concrete base plate 1 and superimposed with concrete side plate 2; Form integral body each other, be provided with cement mortar drawknot pier 7 drawknot each other between the lightweight filling block 3 simultaneously, wherein; Lightweight filling block 3 available water silt particle pulp fibres grid cloth or gauze wire cloth are made; Perhaps lightweight filling block 3 adopts light material such as expanded perlites to process, and after the above-mentioned component conservation demoulding, can make required concrete hollow board and use Cavity structural member.
Claims (13)
1. a concrete hollow board is used Cavity structural member; Comprise steel bar concrete base plate (1), at least two steel bar concrete side plates (2), side plate (2) stands upright on the base plate (1), constitutes strip frid member; It is characterized in that being filled with at least two lightweight filling blocks (3) in the strip groove of described strip frid member; In the base plate (1) of the bottom of side plate (2) at least one vertical elongated prestressed reinforcement (4) arranged, at least one vertical elongated prestressed reinforcement (4) arranged at the top of side plate (2), and lightweight filling block (3) is provided with at interval; Be internal-rib cavity (5) each other; Internal-rib cavity (5) and side plate (2) quadrature or oblique have drawknot pier (7) drawknot between the lightweight filling block (3) on the internal-rib cavity (5), the side plate (2) between lightweight filling block (3) interval is gone up jagged (6); Drawknot pier (7) drawknot that side plate (2) is arranged on the breach (6); The mortar fagging (8) that at least one horizontal drawknot adjacent side plates (2) is arranged between the side plate (2), said mortar fagging (8) are arranged at side plate (2) end, and the lateral box wall of lightweight filling block (3) and side plate (2) are overlapped into integral body.
2. a kind of concrete hollow board according to claim 1 is used Cavity structural member, it is characterized in that described mortar fagging (8) and steel bar concrete base plate (1) connect to integral body.
3. a kind of concrete hollow board according to claim 1 is used Cavity structural member, it is characterized in that stretching out in the wall of described lightweight filling block (3) reinforcing bar or gauze wire cloth or fleece reinforce (9) and is anchored in the side plate (2) or/and in the base plate (1).
4. a kind of concrete hollow board according to claim 3 is used Cavity structural member, it is characterized in that described reinforce (9) stretches out and is anchored at base plate (1) or/and in the side plate (2) from the opening part of lightweight filling block sidewall.
5. a kind of concrete hollow board according to claim 1 is used Cavity structural member, it is characterized in that the interior reinforcing bar or the gauze wire cloth reinforce (9) of wall of described lightweight filling block (3) exposes.
6. a kind of concrete hollow board according to claim 1 is used Cavity structural member, it is characterized in that described side plate (2) is provided with range line pier (10).
7. a kind of concrete hollow board according to claim 1 is used Cavity structural member, it is characterized in that described lightweight filling block (3) is provided with reinforcing rib (11).
8. a kind of concrete hollow board according to claim 7 is used Cavity structural member, it is characterized in that being provided with bracing piece (12) or stiffener (13) in the cavity of described lightweight filling block (3).
9. a kind of concrete hollow board according to claim 8 is used Cavity structural member, it is characterized in that described base plate (1) is provided with at least one in reinforcing rib (11), bracing piece (12) or the stiffener (13).
10. a kind of concrete hollow board according to claim 1 is used Cavity structural member, it is characterized in that described base plate (1) stretches out the toss (14) of the outer formation of side plate (2).
11. a kind of concrete hollow board according to claim 1 is used Cavity structural member, it is characterized in that has at least one in projection (15), raised line (16), groove (17) or the pit (18) on the described lightweight filling block (3).
12. a kind of concrete hollow board according to claim 1 is used Cavity structural member, it is characterized in that described drawknot pier (7) is for strengthening the drawknot pier.
13. a kind of concrete hollow board according to claim 1 is used Cavity structural member, it is characterized in that described Cavity structural member is provided with carrying suspender member (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105618924A CN102041863B (en) | 2004-11-22 | 2004-11-22 | Cavity member for concrete hollow slabs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105618924A CN102041863B (en) | 2004-11-22 | 2004-11-22 | Cavity member for concrete hollow slabs |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410092837 Division CN1779148A (en) | 2004-11-22 | 2004-11-22 | Cavity structural member of hollow concrete slab |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102041863A CN102041863A (en) | 2011-05-04 |
| CN102041863B true CN102041863B (en) | 2012-11-28 |
Family
ID=43908372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105618924A Expired - Fee Related CN102041863B (en) | 2004-11-22 | 2004-11-22 | Cavity member for concrete hollow slabs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102041863B (en) |
Citations (6)
| 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 |
| EP0617180A2 (en) * | 1993-03-26 | 1994-09-28 | ONDAPLAST S.p.A. | Products for the fabrication of floors with lightening box elements and floors made with these products |
| CN2625473Y (en) * | 2003-07-24 | 2004-07-14 | 吴方伯 | Reinforced concrete assembly floorslab |
| CN1526898A (en) * | 2003-03-04 | 2004-09-08 | 邱则有 | Floor board in spatial structure |
| 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
- 2004-11-22 CN CN2010105618924A patent/CN102041863B/en not_active Expired - Fee Related
Patent Citations (6)
| 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 |
| EP0617180A2 (en) * | 1993-03-26 | 1994-09-28 | ONDAPLAST S.p.A. | Products for the fabrication of floors with lightening box elements and floors made with these products |
| CN1526898A (en) * | 2003-03-04 | 2004-09-08 | 邱则有 | Floor board in spatial structure |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102041863A (en) | 2011-05-04 |
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