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CN1975032A - Cast-in-place concrete hollow core slab - Google Patents

Cast-in-place concrete hollow core slab Download PDF

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Publication number
CN1975032A
CN1975032A CN 200610139052 CN200610139052A CN1975032A CN 1975032 A CN1975032 A CN 1975032A CN 200610139052 CN200610139052 CN 200610139052 CN 200610139052 A CN200610139052 A CN 200610139052A CN 1975032 A CN1975032 A CN 1975032A
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CN
China
Prior art keywords
cast
place concrete
light carcass
concrete cored
hole
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Pending
Application number
CN 200610139052
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Chinese (zh)
Inventor
邱则有
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Hunan Qiuzeyou Patent Strategy Planning Co Ltd
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Individual
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Publication date
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Priority to CN 200610139052 priority Critical patent/CN1975032A/en
Publication of CN1975032A publication Critical patent/CN1975032A/en
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Abstract

The present invention relates to a kind of cast-in-situ concrete hollow plate. It includes reinforced concrete and light form bodies, said light form bodies are contained in the reinforced concrete, and are alternatively arranged, between them a cast-in-situ reinforced concrete rib is set, its upper portion is cast-in-situ reinforced concrete upper plate and its lower portion is cast-in-situ reinforced concrete lower plate. Said light form body includes upper plate, peripheral side plate and lower plate which are connected together and can be formed into a closed hollow cavity. It is characterized by that it also includes a tube for making through hole, said tube for making through hole is placed in the closed hollow cavity. Said light form body can be used for in-situ casting reinforced concrete or prestressed reinforced concrete hollow floor, roof, wall body, foundation bedplate and open-web bridge, etc.

Description

A kind of cast-in-place concrete cored
(1) technical field
The present invention relates to a kind of cast-in-place concrete cored.
(2) background technology
At present, cast-in-situ concrete hollow floor is to use wider floor structural form, and the lightening permanent loose tool of filling in it has various hollow sections and box, and box has hollow or solid.Is that ZL99249798.1, name are called " filling reinforced concrete fiber reinforcement type thin-wall member " utility model patent as the applicant in the patent No. of application on November 29th, 1999, it discloses a kind of light thin-wall carcass, comprise upper plate, on every side sidewall, go to the bottom, upper plate, on every side sidewall, going to the bottom surrounds the polyhedron cavity, upper plate, on every side sidewall, going to the bottom contains fabric reinforcement.This light carcass has characteristics such as intensity height, simple in structure, convenient construction and transport, after being applied to superstructure, stressed and the Force transmission parts of no superstructure in its light carcass particularly when the light carcass size is big, shows more obvious, simultaneously, the light carcass construction is laid, the location is inconvenient, and inconsistent phenomenon easily takes place, and influences the pouring quality of cast-in-situ concrete hollow floor, therefore, develop a kind of novel cast-in-place concrete cored for being badly in need of.
(3) summary of the invention
The object of the present invention is to provide a kind of cast-in-place concrete coredly, have that mechanical property is good, pouring quality is good, construction lays characteristics such as convenient, simple.
Solution of the present invention is on the basis of existing technology, comprise steel bar concrete, light carcass, light carcass is wrapped up in and is contained in the steel bar concrete, light carcass alternately, be the cast-in-situ reinforced concrete rib each other, it on it cast-in-situ reinforced concrete upper plate, it is the cast-in-situ reinforced concrete lower plate down, light carcass comprises upper casing, the ambient side shell, lower casing, upper casing, the ambient side shell, lower casing surrounds enclosed cavity, it is characterized in that also including through-hole pipe, through-hole pipe is arranged in the enclosed cavity of light carcass, at least one is arranged in the light carcass is that the Cast-in-place concrete that through hole forms is poured into a mould the last lower casing surface of running through light carcass with hole by through-hole pipe, and Cast-in-place concrete has formed superimposed Cast-in-place concrete post or pier, lower casing surface with through-hole pipe in hole, there are built on stilts pin or tensile members in intersection area, ambient side shell wall lower end.Like this, because light carcass also includes through-hole pipe, through-hole pipe is arranged in the enclosed cavity of light carcass, at least one is arranged in the light carcass is that the Cast-in-place concrete that through hole forms is poured into a mould the last lower casing surface of running through light carcass with hole by through-hole pipe, Cast-in-place concrete enters in the hole, after treating setting and harden, Cast-in-place concrete post or pier have been formed, thereby in light carcass, formed the stressed and Force transmission parts of superstructure, improve the mechanical property of superstructure greatly, particularly improved the shearing resistance of superstructure, antitorque mechanical property greatly; Simultaneously, because there are built on stilts pin or tensile members in lower casing surface, intersection area, ambient side shell wall lower end, thereby built on stilts pin can support light carcass apart from the template certain distance, guarantee light carcass bottom Cast-in-place concrete gauge of sheet, tensile members then can prevent the displacement of light carcass come-up, thereby guarantees the pouring quality of In-situ cast concrete board; In addition, cast-in-place concrete cored also have characteristics such as simple in structure, easy to manufacture, that cost is low, speed of application is fast, the hollow building cover, roof system, body of wall, sole plate and the hollow bridges that are applicable to cast-in-situ reinforced concrete or prestressed reinforced concrete are used, and are particularly useful for hollow arch without beam and use.
This bright feature is that also described hole has hole lid or hole plug.Like this, from hole, built light carcass bottom Cast-in-place concrete layer after, with hole or hole plug hole is blocked, build concrete and top concrete between muscle again, can prevent that Cast-in-place concrete from pouring in the hole, guarantee that the hollow rate of In-situ cast concrete board conforms to the design hollow rate, has improved the pouring quality of In-situ cast concrete board.
This bright feature is that also described built on stilts pin or tensile members are arranged on the chamfering.Like this, when built on stilts pin or tensile members were arranged on the chamfering, built on stilts pin or tensile members did not take up room, and chamfer site is the high position of strength and stiffness on the light carcass, thereby made light carcass not fragile, helped reducing the wastage, and saved cost.
This bright feature is that also described built on stilts pin or tensile members are arranged on inner corner trim or the step.Like this, when built on stilts pin or tensile members were arranged on inner corner trim or the step, built on stilts pin or tensile members did not take up room, and chamfer site is the high position of strength and stiffness on the light carcass, thereby make light carcass not fragile, help reducing the wastage, save cost.
This bright feature is that also described built on stilts pin or tensile members are arranged on the arc angle.Like this, when built on stilts pin or tensile members were arranged on inner corner trim or the step, built on stilts pin or tensile members did not take up room, and chamfer site is the high position of strength and stiffness on the light carcass, thereby make light carcass not fragile, help reducing the wastage, save cost.
This bright feature is that also described built on stilts pin or tensile members are arranged on the chamfered groove.Like this, when built on stilts pin or tensile members were arranged on the chamfered groove, built on stilts pin or tensile members did not take up room, and chamfer site is the high position of strength and stiffness on the light carcass, thereby made light carcass not fragile, helped reducing the wastage, and saved cost.
This bright feature is that also described built on stilts pin or tensile members are arranged on the intersection area of two side.Like this, when built on stilts pin or tensile members were arranged on the intersection area of two side, built on stilts pin or tensile members did not take up room, and chamfer site is the high position of strength and stiffness on the light carcass, thereby make light carcass not fragile, help reducing the wastage, save cost.
This bright feature is that also described built on stilts pin or tensile members are arranged on three rotation angle positions.Like this, when built on stilts pin or tensile members were arranged on three rotation angle positions, built on stilts pin or tensile members did not take up room, and chamfer site is the high position of strength and stiffness on the light carcass, thereby make light carcass not fragile, help reducing the wastage, save cost.
This bright feature is that also described built on stilts pin or tensile members are arranged on two tyre carcase connectors or stiffening rib position.Like this, when built on stilts pin or tensile members are arranged on two tyre carcase connectors or stiffening rib position, built on stilts pin or tensile members are arranged on the big position of intensity, rigidity of light carcass, thereby make light carcass transport, pile up, not fragile in installation and the construction application process, reduce the proportion of goods damageds of light carcass, saved cost.
The present invention also is describedly to contain presstressed reinforcing steel in cast-in-place concrete cored.Like this, the setting of prestressed reinforcement can improve cast-in-place concrete cored supporting capacity greatly, and increases cast-in-place concrete cored span.
The present invention also is describedly to contain reinforcing bar in cast-in-place concrete cored.Reinforcing bar can be cold-rolled forming section or channel-section steel or i shaped steel or other Steel section member.Like this, can improve cast-in-place concrete cored supporting capacity significantly, simultaneously, reinforcing bar is implied in that corresponding in the concrete to form no beam cast-in-place concrete cored.
The present invention also is describedly also to be provided with dark beam or/and bright beam in cast-in-place concrete cored.Like this, cast-in-place concrete cored mechanical property is better, helps that local pressure in cast-in-place concrete cored is increased the district and strengthens; When being provided with dark beam, can strengthen cast-in-place concrete cored mechanical property, simultaneously, dark beam lies in the cast-in-situ concrete hollow intralamellar part, it is attractive in appearance not influence cast-in-place concrete cored external structure, does not take the usage space of building during use, can more effectively improve the usage space of building.
The present invention also is do not have the cast in place reinforced bar upper plate, the upper surface of upper plate and cast-in-place concrete cored upper surface flush on the upper plate of described light carcass.Like this, when not having the cast in place reinforced bar upper plate on the upper plate of light carcass, make the cast-in-place concrete cored open two way ribbed slab in top that formed, whole compressive strength is good, has improved cast-in-place concrete cored supporting capacity.
The present invention is that also the bottom of described light carcass does not have the cast-in-situ reinforced concrete lower plate.Like this, when the bottom of light carcass does not have the cast-in-situ reinforced concrete lower plate, make the cast-in-place concrete cored open two way ribbed slab in bottom that formed, whole compressive strength is good, has improved cast-in-place concrete cored supporting capacity.
The present invention also is do not have the cast in place reinforced bar upper plate on the upper plate of described light carcass, the upper surface of upper plate and cast-in-place concrete cored upper surface flush, and the bottom of light carcass does not have the cast-in-situ reinforced concrete lower plate.Like this, when the upper plate of light carcass on do not have the cast in place reinforced bar upper plate, the upper surface of upper plate and cast-in-place concrete cored upper surface flush, when the bottom of light carcass does not have the cast-in-situ reinforced concrete lower plate, the cast-in-place concrete cored in-situ deposited prefabricated superimposed sheet of two-way rib structure that formed, reduce the consumption of Cast-in-place concrete significantly, reduced cast-in-place concrete cored deadweight, improved cast-in-place concrete cored supporting capacity.
(4) description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1.
Fig. 2 is the structural representation of the embodiment of the invention 2.
Fig. 3 is the structural representation of the embodiment of the invention 3.
Fig. 4 is the structural representation of the embodiment of the invention 4.
Fig. 5 is the structural representation of the embodiment of the invention 5.
Fig. 6 is the structural representation of the embodiment of the invention 6.
Fig. 7 is the structural representation of the embodiment of the invention 7.
Fig. 8 is the structural representation of the embodiment of the invention 8.
Fig. 9 is the structural representation of the embodiment of the invention 9.
Figure 10 is the structural representation of the embodiment of the invention 10.
Figure 11 is the structural representation of the embodiment of the invention 11.
Figure 12 is the structural representation of the embodiment of the invention 12.
Figure 13 is the structural representation of the embodiment of the invention 13.
Figure 14 is the structural representation of the embodiment of the invention 14.
Figure 15 is the structural representation of the embodiment of the invention 15.
Figure 16 is the structural representation of the embodiment of the invention 16.
Figure 17 is the structural representation of the embodiment of the invention 17.
Figure 18 is the structural representation of the embodiment of the invention 18.
Figure 19 is the structural representation of the embodiment of the invention 19.
Figure 20 is the structural representation of the embodiment of the invention 20.
Figure 21 is the structural representation of the embodiment of the invention 21.
Figure 22 is the structural representation of the embodiment of the invention 22.
Figure 23 is the structural representation of the embodiment of the invention 23.
Figure 24 is the structural representation of the embodiment of the invention 24.
Figure 25 is the structural representation of the embodiment of the invention 25.
Figure 26 is the structural representation of the embodiment of the invention 26.
Figure 27 is the structural representation of the embodiment of the invention 27.
Figure 28 is the structural representation of the embodiment of the invention 28.
Figure 29 is the structural representation of the embodiment of the invention 29.
Figure 30 is the structural representation of the embodiment of the invention 30.
Figure 31 is the structural representation of the embodiment of the invention 31.
Figure 32 is the structural representation of the embodiment of the invention 32.
Figure 33 is the structural representation of the embodiment of the invention 33.
Figure 34 is the structural representation of the embodiment of the invention 34.
Figure 35 is the structural representation of the embodiment of the invention 35.
Figure 36 is the structural representation of the embodiment of the invention 36.
Figure 37 is the structural representation of the embodiment of the invention 37.
Figure 38 is the structural representation of the embodiment of the invention 38.
Figure 39 is the structural representation of the embodiment of the invention 39.
Figure 40 is the structural representation of the embodiment of the invention 40.
Figure 41 is the structural representation of the embodiment of the invention 41.
Figure 42 is the structural representation of the embodiment of the invention 42.
Figure 43 is the structural representation of the embodiment of the invention 43.
Figure 44 is the structural representation of the embodiment of the invention 44.
Figure 45 is the structural representation of the embodiment of the invention 45.
Figure 46 is the structural representation of the embodiment of the invention 46.
Figure 47 is the structural representation of the embodiment of the invention 47.
Figure 48 is the structural representation of the embodiment of the invention 48.
Figure 49 is the structural representation of the embodiment of the invention 49.
Figure 50 is the structural representation of the embodiment of the invention 50.
Figure 51 is the structural representation of the embodiment of the invention 51.
Figure 52 is the structural representation of the embodiment of the invention 52.
Figure 53 is the structural representation of the embodiment of the invention 53.
(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 carcass 2, light carcass 2 is wrapped up in and is contained in the steel bar concrete 1, light carcass 2 alternately, be cast-in-situ reinforced concrete rib 3 each other, it on it cast-in-situ reinforced concrete upper plate 4, it is cast-in-situ reinforced concrete lower plate 5 down, light carcass 2 comprises upper casing 6, ambient side shell 7, lower casing 8, upper casing 6, ambient side shell 7, lower casing 8 surrounds enclosed cavity, it is characterized in that also including through-hole pipe 9, through-hole pipe 9 is arranged in the enclosed cavity of light carcass 2, have at least one to pour into a mould the last lower casing surface of running through light carcass 2 with hole 10 by through-hole pipe 9 for the Cast-in-place concrete that through hole forms in the light carcass 2, Cast-in-place concrete has formed superimposed Cast-in-place concrete post or pier, lower casing 8 surfaces with through-hole pipe 9 in hole 10, there are built on stilts pin 11 or tensile members 26 in intersection area, ambient side shell 7 wall lower end.In each accompanying drawing, 1 is steel bar concrete, and 2 is light carcass, 3 is the cast-in-situ reinforced concrete rib, and 4 is the cast-in-situ reinforced concrete upper plate, and 5 is the cast-in-situ reinforced concrete lower plate, 6 is upper casing, and 7 is the ambient side shell, and 8 is lower casing, 9 is through-hole pipe, and 10 is hole, and 11 are built on stilts pin, 12 is draw piece, below in each accompanying drawing, number identically, its explanation is identical.As shown in figure 39, the cast-in-place concrete cored steel bar concrete 1 that comprises, light carcass 2, light carcass 2 is wrapped up in and is contained in the steel bar concrete 1, light carcass 2 alternately, be cast-in-situ reinforced concrete rib 3 each other, it on it cast-in-situ reinforced concrete upper plate 4, it is cast-in-situ reinforced concrete lower plate 5 down, light carcass 2 comprises upper casing 6, ambient side shell 7, lower casing 8, upper casing 6, ambient side shell 7, lower casing 8 surrounds enclosed cavity, it also includes through-hole pipe 9, through-hole pipe 9 is arranged in the enclosed cavity of light carcass 2, have in the light carcass 2 by through-hole pipe 9 and pour into a mould the last lower casing surface of running through light carcass 2 with hole 10 for the Cast-in-place concrete that through hole forms, Cast-in-place concrete has formed superimposed Cast-in-place concrete post or pier, lower casing 8 surfaces with through-hole pipe 9 in hole 10, there are built on stilts pin 11 and tensile members 26 in intersection area, ambient side shell 7 wall lower end.
Feature of the present invention is that also described hole 10 has hole lid 29 or hole plug 30.As shown in figure 40, its described hole 10 has hole lid 29.
Feature of the present invention is that also described built on stilts pin 11 or tensile members 26 are arranged on the chamfering 31.As shown in figure 41, its described built on stilts pin 11 is arranged on the chamfering 31.
Feature of the present invention is that also described built on stilts pin 11 or tensile members 26 are arranged on inner corner trim 32 or the step.As shown in figure 42, its described built on stilts pin 11 is arranged on the inner corner trim 32.
Feature of the present invention is that also described built on stilts pin 11 or tensile members 26 are arranged on the arc angle 33.As shown in figure 43, its described built on stilts pin 11 is arranged on the arc angle 33.
Feature of the present invention is that also described built on stilts pin 11 or tensile members 26 are arranged on the chamfered groove 34.As shown in figure 44, its described tensile members 26 is arranged on the chamfered groove 34.
Feature of the present invention is that also described built on stilts pin 11 or tensile members 26 are arranged on the intersection area of two side.As shown in figure 45, its described built on stilts pin 11 is arranged on the intersection area of two side.
Feature of the present invention is that also described built on stilts pin 11 or tensile members 26 are arranged on three rotation angle positions.As shown in figure 45, its described built on stilts pin 11 or tensile members 26 are arranged on three rotation angle positions.
Feature of the present invention is that also described built on stilts pin 11 or tensile members 26 are arranged on two tyre carcase connectors 28 or stiffening rib 35 positions.As shown in figure 46, its described built on stilts pin 11 is arranged on stiffening rib 35 positions.As shown in figure 47, its described tensile members 26 is arranged on two tyre carcase connectors, 28 positions.
Feature of the present invention also is describedly to contain presstressed reinforcing steel 36 in cast-in-place concrete cored.As shown in Figure 1, it describedly contains presstressed reinforcing steel 36 in cast-in-place concrete cored.As shown in figure 39, it describedly contains presstressed reinforcing steel 36 in cast-in-place concrete cored.
Feature of the present invention also is describedly to contain reinforcing bar 37 in cast-in-place concrete cored.As shown in figure 48, it describedly contains reinforcing bar 37 in cast-in-place concrete cored.Shown in Figure 53, it is described to contain reinforcing bar 37 in cast-in-place concrete cored.
Feature of the present invention also is describedly also to be provided with dark beam 38 or/and bright beam 39 in cast-in-place concrete cored.As shown in Figure 1, it describedly also is provided with dark beam 38 and bright beam 39 in cast-in-place concrete cored.As shown in figure 39, it describedly also is provided with dark beam 38 and bright beam 39 in cast-in-place concrete cored.
Feature of the present invention is that also the upper casing 6 of described light carcass 2 does not have cast in place reinforced bar upper plate 4, the upper surface of top board and cast-in-place concrete cored upper surface flush.As shown in figure 49, the upper casing 6 of its described light carcass 2 does not have cast in place reinforced bar upper plate 4, the upper surface of top board and cast-in-place concrete cored upper surface flush.Shown in Figure 52, the upper casing 6 of its described light carcass 2 does not have cast in place reinforced bar upper plate 4, the upper surface of top board and cast-in-place concrete cored upper surface flush.
Feature of the present invention is that also the bottom of described light carcass 2 does not have cast-in-situ reinforced concrete lower plate 5.As shown in figure 50, the bottom of its described light carcass 2 does not have cast-in-situ reinforced concrete lower plate 5.
Feature of the present invention is that also the upper casing 6 of described light carcass 2 does not have cast in place reinforced bar upper plate 4, the upper surface of top board and cast-in-place concrete cored upper surface flush, and the bottom of light carcass 2 does not have cast-in-situ reinforced concrete lower plate 5.Shown in Fig. 51, the upper casing 6 of its described light carcass 2 does not have cast in place reinforced bar upper plate 4, the upper surface of top board and cast-in-place concrete cored upper surface flush, and the bottom of light carcass 2 does not have cast-in-situ reinforced concrete lower plate 5.
During the invention process, press earlier construction requirement mounting bracket or template, lay light carcass 2, re-lay the reinforcing bar of reinforcing bar or dark beam 38 or bright beam 39, and various steel pipe buried in advance spare, pour concrete after the acceptance(check), after treating the concrete setting and harden, maintenance is to stipulating the length of time that form removal promptly gets cast-in-place concrete cored.

Claims (10)

1, a kind of cast-in-place concrete cored, comprise steel bar concrete (1), light carcass (2), light carcass (2) is wrapped up in and is contained in the steel bar concrete (1), light carcass (2) alternately, be cast-in-situ reinforced concrete rib (3) each other, it on it cast-in-situ reinforced concrete upper plate (4), it is cast-in-situ reinforced concrete lower plate (5) down, light carcass (2) comprises upper casing (6), ambient side shell (7), lower casing (8), upper casing (6), ambient side shell (7), lower casing (8) surrounds enclosed cavity, it is characterized in that also including through-hole pipe (9), through-hole pipe (9) is arranged in the enclosed cavity of light carcass (2), the Cast-in-place concrete cast that has at least one to be formed by the through hole of through-hole pipe (9) in the light carcass (2) runs through the last lower casing surface of light carcass (2) with hole (10), Cast-in-place concrete has formed superimposed Cast-in-place concrete post or pier, lower casing (8) surface with through-hole pipe (9) in hole (10), there are built on stilts pin (11) or tensile members (26) in intersection area, ambient side shell (7) wall lower end.
2, according to claim 1 a kind of cast-in-place concrete cored, it is characterized in that described hole (10) has hole lid (29) or hole plug (30).
3, according to claim 1 a kind of cast-in-place concrete cored, it is characterized in that described built on stilts pin (11) or tensile members (26) are arranged on the chamfering (31).
4, according to claim 1 a kind of cast-in-place concrete cored, it is characterized in that described built on stilts pin (11) or tensile members (26) are arranged on inner corner trim (32) or the step.
5, according to claim 1 a kind of cast-in-place concrete cored, it is characterized in that described built on stilts pin (11) or tensile members (26) are arranged on the arc angle (33).
6, according to claim 1 a kind of cast-in-place concrete cored, it is characterized in that described built on stilts pin (11) or tensile members (26) are arranged on the chamfered groove (34).
7, according to claim 1 a kind of cast-in-place concrete cored, it is characterized in that described built on stilts pin (11) or tensile members (26) are arranged on the intersection area of two side.
8, according to claim 1 a kind of cast-in-place concrete cored, it is characterized in that described built on stilts pin (11) or tensile members (26) are arranged on three rotation angle positions.
9, according to claim 1 a kind of cast-in-place concrete cored, it is characterized in that described built on stilts pin (11) or tensile members (26) are arranged on two tyre carcase connectors (28) or stiffening rib (35) position.
10, described a kind of cast-in-place concrete cored according to arbitrary claim in the claim 1 to 9, it is characterized in that describedly containing presstressed reinforcing steel (36) in cast-in-place concrete cored; Contain reinforcing bar (37) in perhaps cast-in-place concrete cored; Also be provided with dark beam (38) in perhaps cast-in-place concrete cored or/and bright beam (39); Perhaps the upper casing (6) of light carcass (2) does not have cast in place reinforced bar upper plate (4), the upper surface of top board and cast-in-place concrete cored upper surface flush; Perhaps the bottom of light carcass (2) does not have cast-in-situ reinforced concrete lower plate (5); Perhaps the upper casing (6) of light carcass (2) does not have cast in place reinforced bar upper plate (4), the upper surface of top board and cast-in-place concrete cored upper surface flush, and the bottom of light carcass (2) does not have cast-in-situ reinforced concrete lower plate (5).
CN 200610139052 2005-11-30 2006-09-30 Cast-in-place concrete hollow core slab Pending CN1975032A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200610139052 CN1975032A (en) 2005-11-30 2006-09-30 Cast-in-place concrete hollow core slab

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CN200510129240.2 2005-11-30
CN200510129240 2005-11-30
CN 200610139052 CN1975032A (en) 2005-11-30 2006-09-30 Cast-in-place concrete hollow core slab

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CN1975032A true CN1975032A (en) 2007-06-06

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102409788A (en) * 2011-08-19 2012-04-11 北京建工博海建设有限公司 PCM cast-in-place reinforced concrete large-size sandwich floor and construction method thereof
CN103806656A (en) * 2012-11-06 2014-05-21 南通卓强建设工程有限公司 Construction method of cast-in-place concrete flat slab built-in thin-wall hollow box body

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102409788A (en) * 2011-08-19 2012-04-11 北京建工博海建设有限公司 PCM cast-in-place reinforced concrete large-size sandwich floor and construction method thereof
CN103806656A (en) * 2012-11-06 2014-05-21 南通卓强建设工程有限公司 Construction method of cast-in-place concrete flat slab built-in thin-wall hollow box body

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Application publication date: 20070606