CN1958993B - Permanent core mould hollow pipe in cast in-site reinforced concrete hollow board - Google Patents
Permanent core mould hollow pipe in cast in-site reinforced concrete hollow board Download PDFInfo
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- CN1958993B CN1958993B CN2006101066209A CN200610106620A CN1958993B CN 1958993 B CN1958993 B CN 1958993B CN 2006101066209 A CN2006101066209 A CN 2006101066209A CN 200610106620 A CN200610106620 A CN 200610106620A CN 1958993 B CN1958993 B CN 1958993B
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- cast
- tube wall
- steel bar
- reinforcing steel
- bar concrete
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- 239000011150 reinforced concrete Substances 0.000 title abstract description 9
- 238000011065 in-situ storage Methods 0.000 claims abstract description 75
- 239000004567 concrete Substances 0.000 claims description 77
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 63
- 238000010276 construction Methods 0.000 abstract description 13
- 238000005266 casting Methods 0.000 abstract 1
- 238000003860 storage Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 9
- 239000012467 final product Substances 0.000 description 6
- 230000000295 complement effect Effects 0.000 description 5
- 210000003205 muscle Anatomy 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 239000000835 fiber Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 230000032258 transport Effects 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- -1 Admixture Substances 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- Rod-Shaped Construction Members (AREA)
Abstract
The present invention relates to a hollow pipe. It includes an annular pipe wall, and is characterized by that the described annular pipe wall is one which can be folded into plate-sheet form, and thelongitudinal folded region of said pipe wall is movable hinge joint, so that it is convenient for transportation, storage and construction. Said hollow pipe can be used for in-situ casting reinforcedconcrete or prestressed reinforced concrete hollow plate, hollow floor, roof, foundation bedplate, wall body and open-web bridge, etc.
Description
(1) technical field
The present invention relates to the permanent core hollow section in a kind of cast-in-situ reinforcing steel bar concrete hollow slab.
(2) background technology
At present, in the prior art, it is permanent core that cast-in-situ reinforcing steel bar concrete hollow slab becomes pole, as paper tube, plastic pipe, metal bellows, core light material etc.These tubular core molds or member are mainly considered the concrete of finding time, and alleviate hollowcore slab weight.The patent No. as 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.But this thin wall cylinder light-wall pipe as a whole, it is big to take up room in transportation, and the quantity of each transportation is few, and the freight height has increased the construction cost of cast-in-situ reinforcing steel bar concrete hollow slab undoubtedly.For this reason, the applicant on December 22nd, 2002 applied for that application number is 02158266.1, name is called the application for a patent for invention of " a kind of cast-in-situ reinforced concrete member ", this kind member is that two half of parts are fastened to form, half of parts can be improved plastics structural shape, in the end of member the baffle plate shutoff is arranged, on at least one half of parts, the joining parts are arranged, be fixed into integral body, can form hollow thin-wall component by the joining parts.Like this, half of parts can disposablely make at in-mold molding, it produces simple, convenient, and cost is low, simultaneously, this member can be assembled by half of position etc. at the construction field (site), thereby each parts occupation space in transportation is less relatively, and each freight volume is bigger, greatly facilitates carrying, reduced freight, the corresponding construction cost that reduces cast-in-situ reinforcing steel bar concrete hollow slab.But the half of parts of this hollow thin-wall component can not be folded into en plaque, and therefore, occupation space is still bigger in transportation, and each freight volume is still less, therefore, develop a kind of novel hollow section for being badly in need of.
(3) summary of the invention
The object of the present invention is to provide the permanent core hollow section in a kind of cast-in-situ reinforcing steel bar concrete hollow slab, have transportation little, the characteristics such as freight volume is big that take up room.
Solution of the present invention is on the basis of existing technology, comprises ring shape tube wall, it is characterized in that described ring shape tube wall is the tube wall that can be folded into en plaque, and it is hinges that tube wall is vertically amounted to the position.Like this, when ring shape tube wall is the tube wall that can be folded into en plaque, tube wall is vertically amounted to the position when being hinges, permanent core hollow section in the cast-in-situ reinforcing steel bar concrete hollow slab can be folded into plate state, transporting and piling up in the process, can save a large amount of transport spaces and pile up the space, in less space, can improve freight volume exponentially, reduce transportation and deposit cost, when the permanent core hollow section in cast-in-situ reinforcing steel bar concrete hollow slab is used, only folded state need be strutted and get final product, make things convenient for application and construction, be applicable to the hollowcore slab of various cast-in-situ reinforced concretes or prestressed reinforced concrete, hollow building cover, roof system, sole plate, body of wall and hollow bridges are used, and are specially adapted to hollow arch without beam and use.
Feature of the present invention is that also ring shape tube wall has at least one vertical fastener to conjugant.Like this, when ring shape tube wall is the tube wall that can be folded into en plaque, it is hinges that tube wall is vertically amounted to the position, ring shape tube wall has at least one during vertically to the fastener of conjugant, permanent core hollow section in the cast-in-situ reinforcing steel bar concrete hollow slab can longitudinally be amounted to the position and be folded into the transportation of tabular state and pile up, in less space, can improve freight volume exponentially, reduce transportation and deposit cost, when the permanent core hollow section in cast-in-situ reinforcing steel bar concrete hollow slab is used, only need strut folded state and get final product, and have made things convenient for application and construction; Simultaneously, vertical fastener to conjugant is arranged on tube wall, then made things convenient for the joint of tube wall, reduced the production difficulty, improved production efficiency.
Feature of the present invention is that also described ring shape tube wall is the tube wall that can be folded into en plaque, and it is hinges that tube wall is vertically amounted to the position.Like this, when ring shape tube wall is the tube wall that can be folded into en plaque, tube wall is vertically amounted to the position when being hinges, permanent core hollow section in the cast-in-situ reinforcing steel bar concrete hollow slab can longitudinally be amounted to the position and be folded into the transportation of tabular state and pile up, and in less space, can improve freight volume exponentially, reduce transportation and deposited cost, when the permanent core hollow section in cast-in-situ reinforcing steel bar concrete hollow slab was used, only need strut folded state and get final product, and have made things convenient for application and construction.
Feature of the present invention is that also described ring shape tube wall has at least one vertical fastener to conjugant.Like this, permanent core hollow section in the cast-in-situ reinforcing steel bar concrete hollow slab can longitudinally be amounted to the position and be folded into the transportation of tabular state and pile up, in less space, can improve freight volume exponentially, reduce transportation and deposited cost, when the permanent core hollow section in cast-in-situ reinforcing steel bar concrete hollow slab was used, only need strut folded state and get final product, and have made things convenient for application and construction; Simultaneously, vertical fastener to conjugant is arranged on tube wall, then made things convenient for the joint of tube wall, reduced the production difficulty, improved production efficiency.
Feature of the present invention is that also described ring shape tube wall is the tube wall that can be folded into en plaque, and it is hinges that tube wall is vertically amounted to the position.Like this, when ring shape tube wall is the tube wall that can be folded into en plaque, it is hinges that tube wall is vertically amounted to the position, permanent core hollow section in the cast-in-situ reinforcing steel bar concrete hollow slab can longitudinally be amounted to the position and be folded into the transportation of tabular state and pile up, and in less space, can improve freight volume exponentially, reduce transportation and deposited cost, when the permanent core hollow section in cast-in-situ reinforcing steel bar concrete hollow slab was used, only need strut folded state and get final product, and have made things convenient for application and construction; Simultaneously, vertical fastener to conjugant is arranged on tube wall, then made things convenient for the joint of tube wall, reduced the production difficulty, improved production efficiency.
Feature of the present invention also is to have on the permanent core hollow section in the described cast-in-situ reinforcing steel bar concrete hollow slab at least a in inner corner trim, chamfering, arc angle or the groove.Like this, when inner corner trim, chamfering, arc angle or groove are arranged on the permanent core hollow section in the cast-in-situ reinforcing steel bar concrete hollow slab, after permanent core hollow section in the described cast-in-situ reinforcing steel bar concrete hollow slab is applied in the In-situ cast concrete board, Cast-in-place concrete has formed the Cast-in-place concrete reinforcing rib structure in above-mentioned inner corner trim, chamfering, arc angle and groove location, further strengthen the load-carrying construction in the In-situ cast concrete board, improved the weight bearing power of In-situ cast concrete board.
Feature of the present invention is that also described inner corner trim, chamfering, arc angle or groove are positioned on the hinge edge.Like this, when described inner corner trim, chamfering, arc angle or groove are positioned on the hinge edge, permanent core hollow section in the cast-in-situ reinforcing steel bar concrete hollow slab is folded into tabular state, very convenient, amount to and strut easily, simultaneously, hinge is not fragile, simultaneously, after permanent core hollow section in the described cast-in-situ reinforcing steel bar concrete hollow slab is applied in the In-situ cast concrete board, Cast-in-place concrete has formed the Cast-in-place concrete reinforcing rib structure in above-mentioned inner corner trim, chamfering, arc angle and groove location, has further strengthened the load-carrying construction in the In-situ cast concrete board, has improved the weight bearing power of In-situ cast concrete board.
Feature of the present invention also is the parallel or quadrature of described hinge.Like this, during parallel or quadrature, the permanent core hollow section in the cast-in-situ reinforcing steel bar concrete hollow slab can be folded into the more plate state of small size, transports, deposits, and has further reduced institute and has taken up space when hinge.
Feature of the present invention also is on the described hinge hole is arranged.Like this, when on the hinge hole being arranged, hinge can with easier connection of the hollow body of permanent core in the cast-in-situ reinforcing steel bar concrete hollow slab, if hinge when being body itself, then makes easier the amounting to of permanent core hollow section in the cast-in-situ reinforcing steel bar concrete hollow slab, made things convenient for to produce and implemented.
Feature of the present invention also is on the described hinge connector is arranged.Like this, when on the hinge connector being arranged, hinge and pipe wall body are convenient and fast connection, simultaneously, when the permanent core hollow section in the described cast-in-situ reinforcing steel bar concrete hollow slab is applied in the In-situ cast concrete board, connector can be connected anchoring location with reinforcing bar and other member, prevents that it from building come-up displacement in the process at concrete, has guaranteed the pouring quality of In-situ cast concrete board.
Another solution of the present invention is on the basis of existing technology, comprise ring shape tube wall and hush panel, it is characterized in that ring shape tube wall is the tube wall that can be folded into en plaque, the position of vertically amounting to of tube wall and tube wall is a hinges, between hush panel and the tube wall hinges is arranged.Like this, when ring shape tube wall is the tube wall that can be folded into en plaque, it is hinges that tube wall is vertically amounted to the position, between hush panel and the tube wall hinges is arranged, permanent core hollow section in the cast-in-situ reinforcing steel bar concrete hollow slab can longitudinally be amounted to the position and be folded into the transportation of tabular state and pile up, in less space, can improve freight volume exponentially, reduce transportation and deposited cost, permanent core hollow section in the cast-in-situ reinforcing steel bar concrete hollow slab is when using, only need strut folded state and get final product, and have made things convenient for application and construction; Simultaneously, vertical fastener to conjugant is arranged on tube wall, then made things convenient for the joint of tube wall, reduced the production difficulty, improved production efficiency, hush panel and tube wall are connected to male and female groove, connect to have reduced the connection difficulty, simplified production technology, and connection speed is fast, efficient height, secure and reliable connection, the hollowcore slab, hollow building cover, roof system, sole plate, body of wall and the hollow bridges that are applicable to various cast-in-situ reinforced concretes or prestressed reinforced concrete are used, and are specially adapted to hollow arch without beam and use.
Feature of the present invention also is have hinge to amount to muscle on the described hinges.Like this, when having hinge to amount to muscle on the hinges, hinge is amounted to muscle hinges has been carried out reinforce strengthening, and makes it not fragile, guarantees the secure and reliable connection of hinge, thereby, improved the quality of the permanent core hollow section in the cast-in-situ reinforcing steel bar concrete hollow slab.
Feature of the present invention is that also non-return female groove is arranged on the described hush panel.Like this, when non-return female groove is arranged on the hush panel, hush panel with the permanent core hollow section shutoff in the cast-in-situ reinforcing steel bar concrete hollow slab after, the member that is complementary with it that is provided with on the hollow tube wall of permanent core in the contrary female groove of card and the cast-in-situ reinforcing steel bar concrete hollow slab combines, hush panel can not come off in the body separation, improved the quality of the permanent core hollow section in the existing cast-in-situ reinforcing steel bar concrete hollow slab.
Feature of the present invention also is on the described hush panel check ring is arranged.Like this, when on the hush panel check ring being arranged, hush panel with the permanent core hollow section shutoff in the cast-in-situ reinforcing steel bar concrete hollow slab after, the member that is complementary with it that is provided with on the hollow tube wall of permanent core in check ring and the cast-in-situ reinforcing steel bar concrete hollow slab combines, hush panel can not come off in the body separation, improved the quality of the permanent core hollow section in the existing cast-in-situ reinforcing steel bar concrete hollow slab.
Feature of the present invention is that also non-return boss is arranged on the described hush panel.Like this, when on the hush panel non-return boss being arranged, hush panel with the permanent core hollow section shutoff in the cast-in-situ reinforcing steel bar concrete hollow slab after, the member that is complementary with it that is provided with on the hollow tube wall of permanent core in non-return boss and the cast-in-situ reinforcing steel bar concrete hollow slab combines, hush panel can not come off in the body separation, improved the quality of the permanent core hollow section in the existing cast-in-situ reinforcing steel bar concrete hollow slab.
Feature of the present invention is that also non-return hook is arranged on the described tube wall.Like this, when on the hush panel non-return hook being arranged, hush panel with the permanent core hollow section shutoff in the cast-in-situ reinforcing steel bar concrete hollow slab after, the member that is complementary with it that is provided with on the hollow tube wall of permanent core in non-return boss and the cast-in-situ reinforcing steel bar concrete hollow slab combines, hush panel can not come off in the body separation, improved the quality of the permanent core hollow section in the existing cast-in-situ reinforcing steel bar concrete hollow slab.
Feature of the present invention also is on the permanent core hollow section pipe end in the described cast-in-situ reinforcing steel bar concrete hollow slab non-return hook is arranged.Like this, when on the permanent core hollow section pipe end in the cast-in-situ reinforcing steel bar concrete hollow slab non-return hook being arranged, hush panel with the permanent core hollow section shutoff in the cast-in-situ reinforcing steel bar concrete hollow slab after, the member that is complementary with it that is provided with on the hollow tube wall of permanent core in non-return boss and the cast-in-situ reinforcing steel bar concrete hollow slab combines, hush panel can not come off in the body separation, improved the quality of the permanent core hollow section in the existing cast-in-situ reinforcing steel bar concrete hollow slab.
(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.
(5) specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
The present invention comprises ring shape tube wall 1 as shown in drawings, it is characterized in that described ring shape tube wall 1 for caning be folded into the tube wall of en plaque, and it is hinges 2 that tube wall is vertically amounted to the position.In each accompanying drawing, 1 is tube wall, and 2 is hinges, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, the permanent core hollow section in the cast-in-situ reinforcing steel bar concrete hollow slab comprises ring shape tube wall 1, and its described ring shape tube wall 1 is for caning be folded into the tube wall of en plaque, and it is hinges 2 that tube wall is vertically amounted to the position, and rotation angle position is provided with arc angle.
The present invention is that also ring shape tube wall 1 has at least one vertical fastener 3 to conjugant.As shown in Figure 2, its described ring shape tube wall 1 is for caning be folded into the tube wall of en plaque, and it is hinges 2 that tube wall is vertically amounted to the position, and ring shape tube wall 1 has vertical fastener 3 to conjugant.
The present invention is that also the permanent core hollow section pipe end in the cast-in-situ reinforcing steel bar concrete hollow slab is provided with hush panel 4.As shown in Figure 3, its described ring shape tube wall 1 is for caning be folded into the tube wall of en plaque, and it is hinges 2 that tube wall is vertically amounted to the position.
The present invention also is ring shape tube wall 1 for caning be folded into the tube wall of en plaque, and it is hinges 2 that tube wall is vertically amounted to the position, and ring shape tube wall 1 has at least one vertical fastener 3 to conjugant.As shown in Figure 4, its described ring shape tube wall 1 is for caning be folded into the tube wall of en plaque, and it is hinges 2 that tube wall is vertically amounted to the position, and ring shape tube wall 1 has vertical fastener 3 to conjugant.
The present invention also is described ring shape tube wall 1 for caning be folded into the tube wall of en plaque, and it is hinges 2 that tube wall is vertically amounted to the position.As shown in Figure 3, its described ring shape tube wall 1 is for caning be folded into the tube wall of en plaque, and it is hinges 2 that tube wall is vertically amounted to the position, and hush panel 4 is connected to male and female groove 5 with tube wall and is connected.
Feature of the present invention also is to have on the permanent core hollow section in the described cast-in-situ reinforcing steel bar concrete hollow slab at least a in inner corner trim 11, chamfering 12, arc angle 13 or the groove 14.As shown in Figure 1, the permanent core hollow section in its described cast-in-situ reinforcing steel bar concrete hollow slab is provided with arc angle 13.As shown in figure 13, the permanent core hollow section in its described cast-in-situ reinforcing steel bar concrete hollow slab is provided with inner corner trim 11.As shown in figure 14, the permanent core hollow section in its described cast-in-situ reinforcing steel bar concrete hollow slab is provided with chamfering 12.As shown in figure 15, the permanent core hollow section in its described cast-in-situ reinforcing steel bar concrete hollow slab is provided with groove 14.
Feature of the present invention is that also described inner corner trim 11, chamfering 12, arc angle 13 or groove 14 are positioned on hinge 2 limits.As shown in Figure 1, its described arc angle 13 is positioned on hinge 2 limits.As shown in figure 13, its described chamfering 12 is positioned on hinge 2 limits.As shown in figure 14, its described inner corner trim 11 is positioned on hinge 2 limits.As shown in figure 15, its described groove 14 is positioned on hinge 2 limits.
Feature of the present invention also is described hinge 2 parallel or quadratures.As shown in figure 17, its described hinge 2 be arranged in parallel, also is provided with reinforcing rib on the tube wall 1.
Feature of the present invention also is on the described hinge 2 hole 15 is arranged.As shown in figure 18, on its described hinge 2 hole 15 is arranged.
Feature of the present invention also is on the described hinge 2 connector 16 is arranged.As shown in figure 18, on its described hinge 2 connector 16 is arranged.
The present invention comprises ring shape tube wall 1 and hush panel 4 as shown in drawings, it is characterized in that ring shape tube wall is the tube wall that can be folded into en plaque, and the position of vertically amounting to of tube wall and tube wall is a hinges 2, and hinges 2 is arranged between hush panel 4 and the tube wall.As shown in Figure 6, its ring shape tube wall is the tube wall that can be folded into en plaque, and the position of vertically amounting to of tube wall and tube wall is a hinges 2, and hinges 2 is arranged between hush panel 4 and the tube wall.
Feature of the present invention also is have hinge to amount to muscle 6 on the described hinges 2.As shown in Figure 7, there is hinge to amount to muscle 6 on its described hinges 2.
Feature of the present invention is that also non-return female groove 7 is arranged on the described hush panel 4.As shown in Figure 8, on its described hush panel 4 non-return female groove 7 is arranged.
Feature of the present invention also is on the described hush panel 4 check ring 8 is arranged.As shown in Figure 9, on its described hush panel 4 check ring 8 is arranged.
Feature of the present invention is that also non-return boss 9 is arranged on the described hush panel 4.As shown in figure 10, on its described hush panel 4 non-return boss 9 is arranged.
Feature of the present invention is that also non-return hook 10 is arranged on the described tube wall 1.As shown in figure 11, on its described tube wall 1 non-return hook 10 is arranged.
Feature of the present invention also is on the permanent core hollow section pipe end in the described cast-in-situ reinforcing steel bar concrete hollow slab non-return hook 10 is arranged.As shown in figure 12, on the permanent core hollow section pipe end in its described cast-in-situ reinforcing steel bar concrete hollow slab non-return hook 10 is arranged.
During the invention process, can adopt plastics in injection machine, to go out the ring shape tube wall 1 of required size, shape by Mold Making, and, can obtain the permanent core hollow section in the cast-in-situ reinforcing steel bar concrete hollow slab of the present invention at vertical formation hinges 2 of ring shape tube wall 1.
Claims (8)
1. the permanent core hollow section in the cast-in-situ reinforcing steel bar concrete hollow slab comprises ring shape tube wall (1), it is characterized in that described ring shape tube wall (1) for caning be folded into the tube wall of en plaque, and it is hinges (2) that tube wall is vertically amounted to the position.
2. the permanent core hollow section in a kind of cast-in-situ reinforcing steel bar concrete hollow slab according to claim 1 is characterized in that described ring shape tube wall (1) has at least one vertical fastener (3) to conjugant.
3. the permanent core hollow section in a kind of cast-in-situ reinforcing steel bar concrete hollow slab according to claim 1 is characterized in that described hollow section pipe end is provided with hush panel (4).
4. according to the permanent core hollow section in the described a kind of cast-in-situ reinforcing steel bar concrete hollow slab of arbitrary claim in the claim 1 to 3, it is characterized in that inner corner trim (11) is arranged on the described hollow section, at least a in chamfering (12), arc angle (13) or the groove (14).
5. the permanent core hollow section in a kind of cast-in-situ reinforcing steel bar concrete hollow slab according to claim 4 is characterized in that described inner corner trim (11), chamfering (12), arc angle (13) or groove (14) are positioned on hinge (2) limit.
6. the permanent core hollow section in a kind of cast-in-situ reinforcing steel bar concrete hollow slab according to claim 1 is characterized in that the parallel or quadrature of described hinge (2).
7. the permanent core hollow section in a kind of cast-in-situ reinforcing steel bar concrete hollow slab according to claim 1 is characterized in that hole (15) is arranged on the described hinge (2).
8. the permanent core hollow section in a kind of cast-in-situ reinforcing steel bar concrete hollow slab according to claim 4 is characterized in that connector (16) is arranged on the described hinge (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101066209A CN1958993B (en) | 2005-07-21 | 2006-07-20 | Permanent core mould hollow pipe in cast in-site reinforced concrete hollow board |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510085649.9 | 2005-07-21 | ||
| CN200510085649 | 2005-07-21 | ||
| CN2006101066209A CN1958993B (en) | 2005-07-21 | 2006-07-20 | Permanent core mould hollow pipe in cast in-site reinforced concrete hollow board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1958993A CN1958993A (en) | 2007-05-09 |
| CN1958993B true CN1958993B (en) | 2010-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101066209A Expired - Fee Related CN1958993B (en) | 2005-07-21 | 2006-07-20 | Permanent core mould hollow pipe in cast in-site reinforced concrete hollow board |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1532361A (en) * | 2003-03-21 | 2004-09-29 | 邱则有 | Metal corrugated pipe |
| CN1611686A (en) * | 2003-10-27 | 2005-05-04 | 邱则有 | Concrete-filled thin wall pipe |
-
2006
- 2006-07-20 CN CN2006101066209A patent/CN1958993B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1532361A (en) * | 2003-03-21 | 2004-09-29 | 邱则有 | Metal corrugated pipe |
| CN1611686A (en) * | 2003-10-27 | 2005-05-04 | 邱则有 | Concrete-filled thin wall pipe |
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|---|---|
| CN1958993A (en) | 2007-05-09 |
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