CN100476100C - Cast-in-situ reinforced concrete hollow floorslab - Google Patents
Cast-in-situ reinforced concrete hollow floorslab Download PDFInfo
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- CN100476100C CN100476100C CNB2006100933095A CN200610093309A CN100476100C CN 100476100 C CN100476100 C CN 100476100C CN B2006100933095 A CNB2006100933095 A CN B2006100933095A CN 200610093309 A CN200610093309 A CN 200610093309A CN 100476100 C CN100476100 C CN 100476100C
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- concrete roof
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Abstract
Disclosed is a cast-in-situ reinforced-bar concrete hollow building slab, which comprises a reinforced-bar concrete (1) and a thin-wall pipe (2), the light-wall pipe (2) is embedded in the reinforced-bar concrete (1), two bulkheads (3) on the two ends of the thin-wall pipe (2) sealing the thin-wall pipe (2) into a confined chamber (4), characterized in that the confined chamber (4) is filled by tubular solid lightweight materials. The invention can be applied to cast-in-situ reinforced concrete or prestressed reinforcement concrete's storied-building roofings, house roofings, walls, foundation bedplates and bridges.
Description
The application for the applying date be that February 26, application number in 2003 are 03118109.0, name is called the dividing an application of application for a patent for invention of " a kind of steel bar reinforced hollow concrete roof cast-in-situs ".
(1) technical field
The present invention relates to a kind of steel bar reinforced hollow concrete roof cast-in-situs.
(2) background technology
At present, the most of precast hollow slab that adopts of the building of brick mix structure and frame construction is as floor structure, and this floor structure has advantages such as speed of application is fast, 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.For addressing the above problem, a lot of building have adopted the method for Cast-in-place Concrete Building Floor (solid, hollow), have solved problems such as antidetonation, cracking, infiltration preferably, but this class floor construction relative difficult, and cost is higher relatively.Along with Building technology and expanding economy, the quality of building to be had higher requirement, most Cast-in-place Concrete Building Floor has all adopted the cast-in-situ concrete hollow floor technology.And the one-tenth pole in the cast-in-situ hollow building roof is permanent core, as paper tube, plastic pipe, metal bellows, core light material, horniness thin-walled tube etc.These tubular core molds or member are mainly considered the concrete of finding time, and alleviate superstructure weight.As the patent No. by applicant's application is that ZL99249775.8, name are called the utility model patent of " cast-in-place reinforced concrete filling fiber reinforcement type thin wall cylinder ", 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, this hard thin-wall tube wall is composited by carcass and cementitious materials, carcass can be glass fiber or carbon fiber or organic fiber or nonwoven or fibrous braid, and cementitious materials can be cement or organic resin or is the mixture of cement, filler, Admixture, fiber.This kind pipe has advantages such as intensity height, resistance to deformation, anti-vibration performance are good, convenient construction and transport.During application, this light-wall pipe is embedded in the steel bar concrete, can forms cast-in-situ concrete hollow floor.And for example the patent No. of applicant's application is that ZL99232922.1, name are called " thin-wall hollow roof in-situ deposited with concrete ", it is made up of steel bar concrete and thin wall cylinder noggin piece; the thin wall cylinder noggin piece is embedded in the steel bar concrete; described thin-wall tube member is made up of horniness thin-walled tube and plug, and two plugs form an enclosed cavity with the horniness thin-walled tube closed at both ends.Light-wall pipe in this class steel bar reinforced hollow concrete roof cast-in-situs, the plug at its two ends only plays the shutoff mouth of pipe, can't be in hollow building cover, the effect of laterally bearing complicated pulling force, pressure, moment of torsion along pipe, the phenomenon that easily makes plug produce cracking, destroy, influence the use of superstructure, therefore, develop a kind of novel steel bar reinforced hollow concrete roof cast-in-situs for being badly in need of.
(3) summary of the invention
The object of the present invention is to provide a kind of steel bar reinforced hollow concrete roof cast-in-situs, characteristics such as its superstructure has plug intensity height, is difficult for cracking destruction, simple in structure and long service life.
Solution of the present invention is on the basis of existing technology, comprise steel bar concrete, light-wall pipe; light-wall pipe is embedded in the steel bar concrete; the plug at the two ends of light-wall pipe forms enclosed cavity with the light-wall pipe sealing; it is characterized in that being filled with in the enclosed cavity solid light material, between the two ends of the solid light material that light-wall pipe is filled Cast-in-place concrete is arranged.Like this, owing to accompany at least one thin band in the plug of the light-wall pipe in the superstructure, its tension, resistance to compression, antitorque performance improve greatly, thereby have the intensity height, be difficult for characteristics such as cracking destruction, the long service life of corresponding superstructure, simultaneously structure is also simple, cost is low, the insulation of superstructure, heat insulation, sound insulation value is better, has reached purpose of the present invention preferably.
Feature of the present invention also is the two ends of described two ends plug clamp shape light material.
Feature of the present invention is that also the light material of filling is a foamed plastics.
Feature of the present invention is that also the light material of filling is an expanded perlite.
Feature of the present invention is that also the light material of filling is an expanded vermiculite.
Feature of the present invention is that also the light material of filling is foaming or aerated light concrete.
Feature of the present invention is that also the light material of filling is a rock wool.
Feature of the present invention is that also the light material of filling is a mineral wool.
Feature of the present invention is that also the light material of filling is a glass wool.
Feature of the present invention is that also the light material of filling is haydite or haydite concrete.
Feature of the present invention also is to accompany in the plug at least one thin band.
Feature of the present invention also is to be provided with at least one in stiffening rib or bracing boom or the reinforcing rib in described enclosed cavity.Like this, the intensity and the rigidity of superstructure are higher, in the stressed and power transmission of horizontal energy along pipe, thereby, improved the stress performance of superstructure and light-wall pipe, the application life of having improved superstructure.
Feature of the present invention also is to have in stiffening rib, bracing boom or the reinforcing rib at least one at least one thin band.Like this, the intensity of stiffening rib, bracing boom and reinforcing rib is higher, and is stressed better with transmission force property; When stress performance is identical, then corresponding can the attenuate stiffening rib thickness or reduce the size of bracing boom, save material, made things convenient for carrying and construction, alleviated the weight of superstructure, help reducing construction cost.
Feature of the present invention is that also two plugs are that a stiffening rib or an end are stiffening rib for the plug other end.Like this, because the plug in the superstructure changes stiffening rib into, thereby the intensity of superstructure and rigidity further improves, and stressed transmission force property is better.
Feature of the present invention also is to contain thin band in the tube wall of light-wall pipe.Like this, the intensity and the rigidity of light-wall pipe are bigger, but the thickness of corresponding attenuate light-wall pipe tube wall save material, weight is lighter, the intensity and the rigidity of corresponding superstructure further improve, stressed and transmission force property are better.
Feature of the present invention also be described thin band be have hole, seam, groove, sour jujube head, concavo-convex, impression, hair sour jujube, fiber or their compound metal tapes expose shortage.
Feature of the present invention is that also described thin band is concavo-convex porose.
Feature of the present invention is that also described thin band is for having exasperate.
Feature of the present invention is that also described thin band is braid over braid, strap or sandwich tape.Like this, thin band is wide in variety, and the production of light-wall pipe is more convenient, cost is lower, and the construction cost of corresponding superstructure is lower.
Feature of the present invention is that also the tube wall of light-wall pipe is a layer structure, by the glued bed of material of one deck, and one deck reinforce, the glued bed of material of one deck again, one deck reinforce again, the glued bed of material of one deck again, overlapping gluing like this forms, and reinforce is at least more than one deck.Reinforce can be at least one in reinforcing bar, steel mesh reinforcement, steel wire, gauze wire cloth, pressure hole steel plate, band steel, fiber, fleece, cloth, braid over braid, strap or the metal foil band.Like this, the tube wall of light-wall pipe is a layer structure, and its intensity is higher, and globality is better, and the stressed and transmission force property of corresponding superstructure is better.
Feature of the present invention is that also light-wall pipe is combined by little segmented assembly.Like this, at some privileged sites, the construction of superstructure is easier, convenient, can satisfy the needs of different occasions.
Feature of the present invention also is to have between the little segmentation at least one binding in thin band or steel wire, the gauze wire cloth reinforce.Like this, the bonding between the segmentation tube wall better, more firm, globality is better, the globality of corresponding superstructure is also better.
Feature of the present invention also is to be filled with light material in the cavity of light-wall pipe.Light material can be foamed plastics, expanded perlite, expanded vermiculite, foaming or aerated light concrete, rock wool, mineral wool, glass wool, haydite or haydite concrete, like this, the insulation of superstructure, heat insulation, sound insulation value is better.
Feature of the present invention is that also light-wall pipe is provided with the pipe of drawing-in wire or at least one in the air chimney.Like this, during floor construction, the construction and the laying of convenient various pipelines.
That feature of the present invention also is is fluted on the light-wall pipe, projection, dew reinforce, reveal stiffening rib, reveal at least one in the bracing boom.Like this, the build-in between light-wall pipe and the Cast-in-place concrete is better, and the intensity and the globality of superstructure are higher.
Feature of the present invention is that also light-wall pipe is provided with align member.Like this, during floor construction, can make things convenient for the installation of light-wall pipe, accelerate speed of application, help reducing construction cost.
(4) description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1.In each accompanying drawing, 1 is steel bar concrete, and 2 is light-wall pipe, and 3 is the plug at light-wall pipe two ends, and 4 is the enclosed cavity in the light- wall pipe 2, and 5 are thin band, in each accompanying drawing, numbers identically, and its explanation is identical.In Fig. 1, in the plug 3 of superstructure, accompany thin band 5.
Fig. 2 is the structural representation of the embodiment of the invention 2, is provided with stiffening rib 6, bracing boom 7 and reinforcing rib 8 in its enclosed cavity 4.
Fig. 3 is the structural representation of the embodiment of the invention 3, contains thin band 5 in its stiffening rib 6.
Fig. 4 is the structural representation of the embodiment of the invention 4, and an end of its light-wall pipe 2 is a plug 3, and the other end is a stiffening rib 6.
Fig. 5 is the structural representation of the embodiment of the invention 5, contains thin band 5 in the tube wall of its light-wall pipe 2, and thin band 5 is vertically arranged along pipe.
Fig. 6 is the structural representation of the embodiment of the invention 6, contains thin band 5 in the tube wall of its light-wall pipe 2, and thin band 5 is criss-cross arranged along pipe.
Fig. 7 is the structural representation of the embodiment of the invention 7, and its thin band 5 is the metal foil band.
Fig. 8 is the structural representation of the embodiment of the invention 8, the tube wall of its light-wall pipe 2 is a layer structure 9, by the glued bed of material of one deck, one deck reinforce 10, the glued bed of material of one deck again, overlapping gluing like this forms, and diagram reinforce 10 is two layers, reinforce 10 is the metal foil band, also can be braid over braid or strap.
Fig. 9 is the structural representation of the embodiment of the invention 9, and its light-wall pipe 2 is formed by little segmentation 11 assembling combination.
Figure 10 is the structural representation of the embodiment of the invention 10, has steel wire reinforce 10 to connect to integral body mutually between its little segmentation 11.
Figure 11 is the structural representation of the embodiment of the invention 11, is filled with light material 12 in the cavity 4 of its light-wall pipe 2, and diagram light material 12 is an expanded perlite.
Figure 12 is the structural representation of the embodiment of the invention 12, and the light-wall pipe 2 in its superstructure is provided with the pipe 13 and the air chimney 14 of drawing-in wire.
Figure 13 is the structural representation of the embodiment of the invention 13, has thin band 5 to expose on its light-wall pipe 2, and it is provided with groove 15, projection 16 simultaneously.
Figure 14 is the structural representation of the embodiment of the invention 14, the stiffening rib 6 of revealing is arranged on its light-wall pipe 2, reveal bracing boom 7, reveals reinforcing rib 8.
Figure 15 is the structural representation of the embodiment of the invention 15, and its light-wall pipe 2 is provided with drag hook type align member 17, also can be draw ring, iron wire etc.
(5) specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
The present invention as shown in drawings, comprise steel bar concrete 1, light-wall pipe 2; light-wall pipe 2 is embedded in the steel bar concrete 1; plug 3 at the two ends of light-wall pipe 2 forms enclosed cavity 4 with light-wall pipe 2 sealings; it is characterized in that being filled with in the enclosed cavity 4 the solid light material, between the two ends of the solid light material that light-wall pipe 2 is filled Cast-in-place concrete is arranged.Fig. 1 is the structural representation of the embodiment of the invention 1.In each accompanying drawing, 1 is steel bar concrete, and 2 is light-wall pipe, and 3 is the plug at light-wall pipe two ends, and 4 is the enclosed cavity in the light- wall pipe 2, and 5 are thin band, in each accompanying drawing, numbers identically, and its explanation is identical.In Fig. 1, in the plug 3 of superstructure, accompany thin band 5.As shown in figure 11, be filled with the solid light material in the enclosed cavity 4.
The present invention also is the two ends of described two ends plug 3 clamp shape light materials.As shown in figure 11, the two ends of two ends plug 3 clamp shape light materials.
The present invention is that also the light material of filling is a foamed plastics.As shown in figure 11, the light material of filling can be foamed plastics.
The present invention is that also the light material of filling is an expanded perlite.As shown in figure 11, the light material of filling can be expanded perlite.
The present invention is that also the light material of filling is an expanded vermiculite.As shown in figure 11, the light material of filling can be expanded vermiculite.
The present invention is that also the light material of filling is foaming or aerated light concrete.As shown in figure 11, the light material of filling can be foaming or aerated light concrete.
The present invention is that also the light material of filling is a rock wool.As shown in figure 11, the light material of filling can be rock wool.
The present invention is that also the light material of filling is a mineral wool.As shown in figure 11, the light material of filling can be mineral wool.
The present invention is that also the light material of filling is a glass wool.As shown in figure 11, the light material of filling can be glass wool.
The present invention is that also the light material of filling is haydite or haydite concrete.As shown in figure 11, the light material of filling can be haydite or haydite concrete.
The present invention also is to accompany in the plug 3 at least one thin band 5.As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 or shown in Figure 8, accompany thin band 5 in the plug 3.
The present invention also is to be provided with at least one in stiffening rib 6 or bracing boom 7 or the reinforcing rib 8 in described enclosed cavity 4.Fig. 2 is the structural representation of the embodiment of the invention 2, is provided with stiffening rib 6, bracing boom 7 and reinforcing rib 8 in its enclosed cavity 4.
The present invention also is to have in stiffening rib 6, bracing boom 7 or the reinforcing rib 8 at least one at least one thin band 5.Fig. 3 is the structural representation of the embodiment of the invention 3, contains thin band 5 in its stiffening rib 6.
The present invention is that also two plugs 3 are that a stiffening rib 6 or an end are that plug 3 other ends are stiffening rib 6.Fig. 4 is the structural representation of the embodiment of the invention 4, and an end of its light-wall pipe 2 is a plug 3, and the other end is a stiffening rib 6.
The present invention also is to contain in the tube wall of light-wall pipe 2 thin band 5.Fig. 5 is the structural representation of the embodiment of the invention 5, contains thin band 5 in the tube wall of its light-wall pipe 2, and thin band 5 is vertically arranged along pipe.Fig. 6 is the structural representation of the embodiment of the invention 6, contains thin band 5 in the tube wall of its light-wall pipe 2, and thin band 5 is criss-cross arranged along pipe.
The present invention also be described thin band 5 for have hole, seam, groove, sour jujube head, concavo-convex, impression, hair sour jujube, fiber or their compound metal tapes expose shortage.
Feature of the present invention is that also described thin band 5 is for concavo-convex porose.
Feature of the present invention is that also described thin band 5 is for having exasperate.
Feature of the present invention is that also described thin band 5 is braid over braid, strap or sandwich tape.Fig. 7 is the structural representation of the embodiment of the invention 7, and its thin band 5 is the metal foil band.
The present invention is that also the tube wall of light-wall pipe 2 is a layer structure 9, by the glued bed of material of one deck, and one deck reinforce 10, the glued bed of material of one deck again, one deck reinforce 10 again, the glued bed of material of one deck again, overlapping gluing like this forms, and reinforce 10 is at least more than one deck.Fig. 8 is the structural representation of the embodiment of the invention 8, the tube wall of its light-wall pipe 2 is a layer structure 9, by the glued bed of material of one deck, one deck reinforce 10, the glued bed of material of one deck again, overlapping gluing like this forms, and diagram reinforce 10 is two layers, reinforce 10 is the metal foil band, also can be braid over braid or strap.
The present invention is that also light-wall pipe 2 is formed by little segmentation 11 assembling combination.Fig. 9 is the structural representation of the embodiment of the invention 9, and its light-wall pipe 2 is formed by little segmentation 11 assembling combination.
The present invention also is to have between the little segmentation 11 at least one binding in thin band 5 or steel wire, the gauze wire cloth reinforce 10.Figure 10 is the structural representation of the embodiment of the invention 10, has steel wire reinforce 10 to connect to integral body mutually between its little segmentation 11.
The present invention also is to be filled with light material 12 in the cavity 4 of light-wall pipe 2.Figure 11 is the structural representation of the embodiment of the invention 11, is filled with light material 12 in the cavity 4 of its light-wall pipe 2, and diagram light material 12 is an expanded perlite.
The present invention is that also light-wall pipe 2 is provided with the pipe 13 of drawing-in wire or at least one in the air chimney 14.Figure 12 is the structural representation of the embodiment of the invention 12, and the light-wall pipe 2 in its superstructure is provided with the pipe 13 and the air chimney 14 of drawing-in wire.
That the present invention also is is fluted 15 on the light-wall pipe 2, projection 16, reveal reinforce 10, reveal stiffening rib 6, reveal at least one in the bracing boom 7.Figure 13 is the structural representation of the embodiment of the invention 13, has thin band 5 to expose on its light-wall pipe 2, and it is provided with groove 15, projection 16 simultaneously.Figure 14 is the structural representation of the embodiment of the invention 14, the stiffening rib 6 of revealing is arranged on its light-wall pipe 2, reveal bracing boom 7, reveals reinforcing rib 8.
The present invention is that also light-wall pipe 2 is provided with align member 17.Figure 15 is the structural representation of the embodiment of the invention 15, and its light-wall pipe 2 is provided with drag hook type align member 17, also can be draw ring, iron wire etc.
During the invention process, can make the light-wall pipe 2 that plug 3 includes thin band 5 earlier, a superstructure template, lay the Cast-in-place concrete rib steel muscle between superstructure lower bottom part reinforcing bar and the light-wall pipe 2, lay light-wall pipe 2, re-lay the superstructure upper reinforcement, check errorless after, water concrete, maintenance is to stipulating that the length of time, the demoulding got final product.
Claims (26)
1, a kind of steel bar reinforced hollow concrete roof cast-in-situs, comprise steel bar concrete (1), light-wall pipe (2); light-wall pipe (2) is embedded in the steel bar concrete (1); the plug (3) at the two ends of light-wall pipe (2) forms enclosed cavity (4) with light-wall pipe (2) sealing; it is characterized in that being filled with the solid light material in the enclosed cavity (4), between the two ends of the solid light material that light-wall pipe (2) is filled Cast-in-place concrete is arranged.
2, a kind of steel bar reinforced hollow concrete roof cast-in-situs according to claim 1 is characterized in that the two ends at described two ends plugs (3) clamp shape light material.
3, a kind of steel bar reinforced hollow concrete roof cast-in-situs according to claim 1 is characterized in that the light material of filling is a foamed plastics.
4, a kind of steel bar reinforced hollow concrete roof cast-in-situs according to claim 1 is characterized in that the light material of filling is an expanded perlite.
5, a kind of steel bar reinforced hollow concrete roof cast-in-situs according to claim 1 is characterized in that the light material of filling is an expanded vermiculite.
6, a kind of steel bar reinforced hollow concrete roof cast-in-situs according to claim 1 is characterized in that the light material of filling is foaming or aerated light concrete.
7, a kind of steel bar reinforced hollow concrete roof cast-in-situs according to claim 1 is characterized in that the light material of filling is a rock wool.
8, a kind of steel bar reinforced hollow concrete roof cast-in-situs according to claim 1 is characterized in that the light material of filling is a mineral wool.
9, a kind of steel bar reinforced hollow concrete roof cast-in-situs according to claim 1 is characterized in that the light material of filling is a glass wool.
10, a kind of steel bar reinforced hollow concrete roof cast-in-situs according to claim 1 is characterized in that the light material of filling is haydite or haydite concrete.
11, a kind of steel bar reinforced hollow concrete roof cast-in-situs according to claim 1 is characterized in that accompanying in the plug (3) at least one thin band (5).
12, a kind of steel bar reinforced hollow concrete roof cast-in-situs according to claim 11 is characterized in that being provided with at least one in stiffening rib (6) or bracing boom (7) or the reinforcing rib (8) in described enclosed cavity (4).
13, a kind of steel bar reinforced hollow concrete roof cast-in-situs according to claim 12 is characterized in that having at least one in stiffening rib (6), bracing boom (7) or the reinforcing rib (8) at least one thin band (5).
14, a kind of steel bar reinforced hollow concrete roof cast-in-situs according to claim 13 is characterized in that two plugs (3) are that a stiffening rib (6) or an end are that plug (3) other end is stiffening rib (6).
15, a kind of steel bar reinforced hollow concrete roof cast-in-situs according to claim 11 is characterized in that containing thin band (5) in the tube wall of light-wall pipe (2).
16, according to the described a kind of steel bar reinforced hollow concrete roof cast-in-situs of arbitrary claim in the claim 11 to 15, it is characterized in that described thin band (5) for have hole, seam, groove, sour jujube head, concavo-convex, impression, hair sour jujube, fiber or their compound metal tapes expose shortage.
17,, it is characterized in that described thin band (5) is concavo-convex porose for having according to the described a kind of steel bar reinforced hollow concrete roof cast-in-situs of arbitrary claim in the claim 11 to 15.
18,, it is characterized in that described thin band (5) is for having exasperate according to the described a kind of steel bar reinforced hollow concrete roof cast-in-situs of arbitrary claim in the claim 11 to 15.
19,, it is characterized in that described thin band (5) is braid over braid, strap or sandwich tape according to the described a kind of steel bar reinforced hollow concrete roof cast-in-situs of arbitrary claim in the claim 11 to 15.
20, according to the described a kind of steel bar reinforced hollow concrete roof cast-in-situs of arbitrary claim in the claim 11 to 15, the tube wall that it is characterized in that light-wall pipe (2) is layer structure (9), by the glued bed of material of one deck, one deck reinforce (10), the glued bed of material of one deck, one deck reinforce (10), the glued bed of material of one deck more again, overlapping gluing like this forms, and reinforce (10) is at least more than one deck.
21,, it is characterized in that light-wall pipe (2) is formed by little segmentation (11) assembling combination according to the described a kind of steel bar reinforced hollow concrete roof cast-in-situs of arbitrary claim in the claim 11 to 15.
22, a kind of steel bar reinforced hollow concrete roof cast-in-situs according to claim 21 is characterized in that having between the little segmentation (11) at least one binding in thin band (5) or steel wire, the gauze wire cloth reinforce (10).
23,, it is characterized in that being filled with light material (12) in the cavity (4) of light-wall pipe (2) according to the described a kind of steel bar reinforced hollow concrete roof cast-in-situs of arbitrary claim in the claim 11 to 15.
24,, it is characterized in that light-wall pipe (2) is provided with the pipe (13) of drawing-in wire or at least one in the air chimney (14) according to the described a kind of steel bar reinforced hollow concrete roof cast-in-situs of arbitrary claim in the claim 11 to 15.
25,, it is characterized in that light-wall pipe (2) last fluted (15), projection (16), reveal reinforce (10), reveal stiffening rib (6), reveal at least one in the bracing boom (7) according to the described a kind of steel bar reinforced hollow concrete roof cast-in-situs of arbitrary claim in the claim 11 to 15.
26,, it is characterized in that light-wall pipe (2) is provided with align member (17) according to the described a kind of steel bar reinforced hollow concrete roof cast-in-situs of arbitrary claim in the claim 11 to 15.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03118109 CN1258629C (en) | 2003-02-26 | 2003-02-26 | Cast-in-situ reinforced concrete hollow storey top |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03118109 Division CN1258629C (en) | 2003-02-26 | 2003-02-26 | Cast-in-situ reinforced concrete hollow storey top |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1876998A CN1876998A (en) | 2006-12-13 |
| CN100476100C true CN100476100C (en) | 2009-04-08 |
Family
ID=34284833
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100933080A Expired - Fee Related CN100467732C (en) | 2003-02-26 | 2003-02-26 | Thin-walled tube for cast-in-situ reinforced concrete hollow floorslab |
| CNB2006100933095A Expired - Fee Related CN100476100C (en) | 2003-02-26 | 2003-02-26 | Cast-in-situ reinforced concrete hollow floorslab |
| CN 03118109 Expired - Fee Related CN1258629C (en) | 2003-02-26 | 2003-02-26 | Cast-in-situ reinforced concrete hollow storey top |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100933080A Expired - Fee Related CN100467732C (en) | 2003-02-26 | 2003-02-26 | Thin-walled tube for cast-in-situ reinforced concrete hollow floorslab |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03118109 Expired - Fee Related CN1258629C (en) | 2003-02-26 | 2003-02-26 | Cast-in-situ reinforced concrete hollow storey top |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN100467732C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110905361B (en) * | 2019-11-08 | 2021-01-12 | 清华大学 | One-way open-type protective door based on periodic material |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1348046A (en) * | 2001-11-23 | 2002-05-08 | 邱则有 | Combined hollow tube member |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2704885B1 (en) * | 1993-05-05 | 1995-06-09 | Antropius Jean Daniel | COLLABORATING FORMWORK WITH CONNECTED AREAS. |
| CN1116485C (en) * | 2001-11-23 | 2003-07-30 | 邱则有 | Floor with space structure |
-
2003
- 2003-02-26 CN CNB2006100933080A patent/CN100467732C/en not_active Expired - Fee Related
- 2003-02-26 CN CNB2006100933095A patent/CN100476100C/en not_active Expired - Fee Related
- 2003-02-26 CN CN 03118109 patent/CN1258629C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1348046A (en) * | 2001-11-23 | 2002-05-08 | 邱则有 | Combined hollow tube member |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1258629C (en) | 2006-06-07 |
| CN1525024A (en) | 2004-09-01 |
| CN1876997A (en) | 2006-12-13 |
| CN1876998A (en) | 2006-12-13 |
| CN100467732C (en) | 2009-03-11 |
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