CN205153285U - Hollow core slab buries core pore -forming pipe - Google Patents
Hollow core slab buries core pore -forming pipe Download PDFInfo
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- CN205153285U CN205153285U CN201520770565.8U CN201520770565U CN205153285U CN 205153285 U CN205153285 U CN 205153285U CN 201520770565 U CN201520770565 U CN 201520770565U CN 205153285 U CN205153285 U CN 205153285U
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- precast hollow
- forming pipe
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- hollow slab
- fin
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Abstract
The utility model provides a hollow core slab buries core pore -forming pipe, including a pipe body, the body is for lining up the hollow tube, the pipe wall of body is honeycomb. So, when the body for lining up the hollow tube, when the hollow tube was used in the hollow core slab, its tip link up, the hollow tube that link up is favorable to upright mould production hollow core slab more, if still set up in the hollow tube and support core -pulling die, after the concrete placement is accomplished, will support core -pulling die and take out, so, can reduce pore -forming pipe wall thickness degree by a wide margin. Additionally, the pipe wall of body is honeycomb, and under the situation of same material, the rigidity of pore -forming pipe has obtained the enhancement, makes its non -deformable when concreting, uses the back to improve hollow core slab's whole quality.
Description
Technical field
The utility model relates to a kind of building unit, and particularly a kind of precast hollow slab buries core pore-forming pipe.
Background technology
China's Urbanization Construction is fast-developing, and construction scope ranks first in the world.Current, industrialization of construction industry is extremely urgent, and builing industry green construction transition, energy-saving and emission-reduction in building course, manufacture the precast hollow slab with superior structural performance, extremely need in order to build assembled architecture.
At present, the reinforced concrete floor of domestic employing has cast-in-situ floor and precast hollow slab floor, cast-in-situ floor good integrity, but needs on-the-spot formwork, then concreting, construction period difficulty is large, and template loss is large, and cost is high, and prefabricated building hollowcore slab does not need on-the-spot formwork, short construction period, cost is low, is therefore widely used in all kinds of building.
Such as, be: in the application documents of CN201320705360.2 that disclose a kind of full prefabricated hollow floor, comprise floor main body, floor main body comprises bottom, hollow device and top layer, is hollow device between bottom and top layer at number of patent application; Bottom is that the baseplate reinforcing bar of layer of concrete and top colligation thereof is formed; Top layer is roof steel bar, and concreting layer is formed.This full prefabricated hollow floor is owing to forming cavity at intralamellar part, and alleviate the weight of floor self, comparing laminated floor slab does not also need second pouring, environmental protection and save the duration, but the hollow device of this floor to there is hollow device rigidity strong, easily damaged situation.
Utility model content
The technical problems to be solved in the utility model is: provide a kind of precast hollow slab to bury core pore-forming pipe, and its hollow device rigidity that can solve in precast hollow slab is not strong, easily damaged problem, thus the total quality improving precast hollow slab.
Solution of the present utility model is achieved in that a kind of precast hollow slab buries core pore-forming pipe, comprises body, and described body is through hollow section, and the tube wall of described body is honeycomb structure.So, when body is through hollow section, when hollow section is applied in precast hollow slab, its end is through, through hollow section advantageously produces precast hollow slab in formwork erection, to loose core mould, if also arrange support in hollow section after pouring concrete completes, mould of support being loosed core is extracted out, so, significantly can reduce pore-forming tube wall thickness, pore-forming pipe also can not be caused to be out of shape, and then the situation that precast hollow slab hole wall can not be caused uneven occurs.Similarly, if when hollow section tube wall rigidity is enough to support pouring concrete load, does not then need to arrange support and to loose core mould, can reach the uniform effect of hollowcore slab hole wall yet.In addition, the tube wall of described body is honeycomb structure, and when same material, the rigidity of pore-forming pipe obtains reinforcement, makes it not yielding when concreting, after application, thus improves the total quality of precast hollow slab.After application, the sound isolating and heat insulating performance of precast hollow slab have also been obtained and increases substantially.
Another technical scheme of the present utility model is, on above-mentioned basis, outer surface of tube body to be provided with at least one fin, and described fin is longitudinally arranged at tube surfaces.So, also fin is provided with at the external surface of body, in the process making precast hollow slab, fin can play the effect of supporting and location, the situation preventing hollow section from causing hollowcore slab internal construction and project organization not to conform at mould internal shift occurs, fully ensure that the quality of precast hollow slab.In addition, when fin is longitudinally arranged at tube surfaces, in the process making precast hollow slab, the fin longitudinally arranged can also play and block shaping effect, prevent the concrete of precast hollow slab both sides completely through, serve the effect cutting off concrete heat bridge, increase the hollow rate of precast hollow slab further.
Another technical scheme of the present utility model is on above-mentioned basis, and described body cross section is rectangle.So, when body cross section is rectangle, described pore-forming pipe is applied to after in precast hollow slab, correspondingly can form through rectangle duct in hollowcore slab inside, cross section is the hollow rate that the pore-forming pipe of rectangle can increase substantially precast hollow slab, saves material, reduces precast hollow slab own wt.
Another technical scheme of the present utility model is, on above-mentioned basis, described tube wall to be provided with at least one transverse concave groove.So, when tube wall being provided with at least one transverse concave groove, transverse concave groove improves the side direction bearing capacity of pore-forming pipe, make it not yielding in application process, simultaneously, cast-in-situ concrete also can form concrete structure in transverse concave groove, improves the bonding strength between precast hollow slab two plate faces, prevents its dislocation in lifting and installation process from damaging.
Another technical scheme of the present utility model is, on above-mentioned basis, described body to be provided with at least one align member.So, when body being provided with at least one align member, described pore-forming pipe is in application process, align member can be supported on precast hollow board forming die, pore-forming pipe can be fixed in precast hollow board forming die, prevent it from swinging, fully can ensure that the thickness of precast hollow slab both sides plate body is consistent with design thickness.
Another technical scheme of the present utility model is, on above-mentioned basis, described fin to be provided with positioner.So, when fin is provided with positioner, in application process, positioner on described fin can coordinate screens to fix with reinforcing bar or steel wire, fin can play longitudinal bracing positioning action, the situation preventing hollow section from causing hollowcore slab internal construction and project organization not to conform at mould internal shift occurs, fully ensure that the quality of precast hollow slab.
Another technical scheme of the present utility model is on above-mentioned basis, and described positioner is groove.So, when positioner is groove, in application process, the situation that positioner can coordinate screens fixedly to prevent hollow section from causing hollowcore slab internal construction and project organization not to conform at mould internal shift with reinforcing bar or steel wire very easily occurs, fully ensure that the quality of precast hollow slab.
Another technical scheme of the present utility model is on above-mentioned basis, and described groove is into the large groove of young endoporus.So, when groove is into the large groove of young endoporus, in application process, reinforcing bar or steel wire snap in after in groove, in the process of building cast-in-situ concrete, enter the effect that the large groove of young endoporus can play snap close, thus make reinforcing bar or steel wire be not easy to eject.
Another technical scheme of the present utility model is on above-mentioned basis, and at least one end of described body is provided with enclosing cover, and body is closed into blind pipe or closed hollow pipe by described enclosing cover.So, when at least one end of body is provided with enclosing cover, body is closed into blind pipe or closed hollow pipe by described enclosing cover, described pore-forming pipe is applied to after in precast hollow slab, as end also concreting, then can form semiclosed or totally enclosed precast hollow slab, globality, the sound-insulating heat-insulation property of this precast hollow slab are good, in particular improve the bonding strength between precast hollow slab two plate faces, prevent its dislocation in lifting and installation process from damaging.
Another technical scheme of the present utility model is on above-mentioned basis, and described enclosing cover end is provided with keeper, and described keeper is arranged at enclosing cover edge or cover bottom portion.So, when enclosing cover end is provided with keeper, described keeper is arranged at enclosing cover edge or cover bottom portion, in application process, pore-forming pipe can be fixed in the moulding form of precast hollow slab by keeper, the situation preventing pore-forming tube end from causing hollowcore slab internal construction and project organization not to conform at mould internal shift occurs, fully ensure that the quality of precast hollow slab.
Another technical scheme of the present utility model is on above-mentioned basis, and described fin is arranged on two relative faces of body.So, fin is arranged on two relative faces of body, in application process, fin can be arranged at the reinforcing bar of its both sides or steel wire or precast hollow board forming die supporting and location, and after multiple pore-forming pipe arrangement, fin cooperatively interacts, and can play shaping effect of blocking, prevent the concrete of precast hollow slab both sides completely through, serve the effect cutting off concrete heat bridge.
Another technical scheme of the present utility model is on above-mentioned basis, and described fin is arranged on four faces of body.So, when on four faces that fin is arranged at body, fin can be arranged at the reinforcing bar of its both sides or steel wire or precast hollow board forming die supporting and location, simultaneously, after multiple pore-forming pipe arrangement, fin cooperatively interacts, and can play and block shaping effect, prevent the concrete of precast hollow slab both sides completely through, serve the effect cutting off concrete heat bridge.
Another technical scheme of the present utility model is on above-mentioned basis, and the material of described body is plastics, the fin global formation that described body and external surface thereof are arranged.So, when the material of body is plastics, during the fin global formation that described body and external surface thereof are arranged, pore-forming pipe is manufactured convenient and simple, and pipe thickness can strictly control, and, bonding strength between fin and body is good, is not easy damage and comes off, and fully ensure that the quality of pore-forming pipe.
Another technical scheme of the present utility model is on above-mentioned basis, and described fin shifts to install on relative two faces of body.So, when fin shifts to install on relative two faces of body, in application process, after multiple pore-forming pipe arrangement, the fin shifted to install complements each other to form and blocks, and can reduce producting process difficulty, is conducive to reducing costs, raises the efficiency.
Another technical scheme of the present utility model is on above-mentioned basis, and described packing material is fire proofing material, heat insulating material and/or sound insulation materials.Fireproof performance, insulation newly energy and/or sound insulation value that described precast hollow slab buries core pore-forming pipe can be improved like this, thus improve the total quality of precast hollow slab.
Another technical scheme of the present utility model is on above-mentioned basis, and described packing material is at least one in haydite concrete, foam concrete and slag foamed concrete.So, at least one in haydite concrete, foam concrete and slag foamed concrete selected by packing material, described like this precast hollow slab bury the fireproof performance of core pore-forming pipe, insulation newly can and sound insulation value good, and cost is also lower.
Another technical scheme of the present utility model is on above-mentioned basis, spraying or brush one deck or multiple-layer heat insulation material or fire proofing material or composite coating material on described inboard wall of tube body.So, heat insulation, the fireproof performance of body can be improved, thus improve the total quality of precast hollow slab.
Another technical scheme of the present utility model is that, on above-mentioned basis, the tube wall surface of described body is provided with hardened layer.So, the tube wall surface of body is provided with hardened layer, when same material, the rigidity of pore-forming pipe obtains further reinforcement, makes it more not yielding when concreting.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.
Fig. 1 is that the precast hollow slab that a kind of embodiment of this programme relates to buries core pore-forming duct ligation composition;
Fig. 2 and Fig. 3 is that the precast hollow slab that the another two kinds of embodiments of this programme relate to buries core pore-forming duct ligation composition;
Fig. 4 and Fig. 5 is that the precast hollow slab that the another two kinds of embodiments of this programme relate to buries core pore-forming pipe local structural graph;
Fig. 6 is that the precast hollow slab that a kind of embodiment of this programme relates to buries core pore-forming tube section figure.
In figure:
1 body 2 fin 20 positioner 3 transverse concave groove
4 enclosing cover 40 keeper 100 guiding gutters
Detailed description of the invention
Be described in detail the utility model below in conjunction with accompanying drawing, the description of this part is only exemplary and explanatory, should not have any restriction to protection domain of the present utility model.In addition, those skilled in the art, according to the description of presents, can carry out respective combination to the feature in embodiment in presents and in different embodiment.
The utility model embodiment is as follows, refers to Fig. 1 to Fig. 6, and a kind of precast hollow slab buries core pore-forming pipe, comprises body 1, and described body 1 is through hollow section, and the tube wall of described body 1 is honeycomb structure.So, when body 1 is through hollow section, when hollow section is applied in precast hollow slab, its end is through, if also arrange support to loose core mould in hollow section, after pouring concrete completes, mould of support being loosed core is extracted out, so, significantly can reduce pore-forming tube wall thickness, also pore-forming pipe can not be caused to be out of shape, and then the situation that precast hollow slab hole wall can not be caused uneven occur.Similarly, if when hollow section tube wall rigidity is enough to support pouring concrete load, does not then need to arrange support and to loose core mould, can reach the uniform effect of hollowcore slab hole wall yet.In addition, described body 1 is assembled by some plates, and when same material, the rigidity of pore-forming pipe obtains reinforcement, makes it not yielding when concreting, after application, thus improves the total quality of precast hollow slab.After application, the sound isolating and heat insulating performance of precast hollow slab have also been obtained and increases substantially.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in Figures 1 to 6, described body 1 external surface is provided with at least one fin 2, described fin 2 longitudinally can be arranged at body 1 surface.So, fin 2 is also provided with at the external surface of body 1, in the process making precast hollow slab, fin 2 can play the effect of supporting and location, the situation preventing hollow section from causing hollowcore slab internal construction and project organization not to conform at mould internal shift occurs, fully ensure that the quality of precast hollow slab.In addition, when fin 2 is longitudinally arranged at body 1 surface, in the process making precast hollow slab, the fin 2 longitudinally arranged can play and block shaping effect, prevents the concrete of precast hollow slab both sides completely through, serves the effect cutting off concrete heat bridge.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in Figures 1 to 6, described body 1 cross section can be rectangle.So, when body 1 cross section is rectangle, described pore-forming pipe is applied to after in precast hollow slab, correspondingly can form through rectangle duct in hollowcore slab inside, cross section is the hollow rate that the pore-forming pipe of rectangle can increase substantially precast hollow slab, saves material, reduces precast hollow slab own wt.Certainly, in other designs, described body 1 cross section also can be circular or ellipse or other polygons etc., and these also all belong to equivalent technologies and replace, and belong to the protection domain of this patent.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in Figure 4, described body 1 outer wall can be provided with at least one transverse concave groove 3.So, when body 1 outer wall is provided with at least one transverse concave groove 3, transverse concave groove 3 improves the side direction bearing capacity of pore-forming pipe, make it not yielding in application process, simultaneously, cast-in-situ concrete also can form concrete structure in transverse concave groove 3, improves the bonding strength between precast hollow slab two plate faces, prevents its dislocation in lifting and installation process from damaging.In addition, guiding gutter 100 can also be provided with in one end of described body 1, the hydrops between body can be discharged like this.
On the basis of above-described embodiment, in another embodiment of the utility model, described body 1 can be provided with at least one align member.So, when body 1 is provided with at least one align member, described pore-forming pipe is in application process, align member can be supported on precast hollow board forming die, pore-forming pipe can be fixed in precast hollow board forming die, prevent it from swinging, fully can ensure that the thickness of precast hollow slab both sides plate body is consistent with design thickness.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in Figure 5, described fin 2 can be provided with positioner 20.So, when fin 2 is provided with positioner 20, in application process, positioner 20 on described fin 2 can coordinate screens to fix with reinforcing bar or steel wire, fin 2 can play longitudinal bracing positioning action, the situation preventing hollow section from causing hollowcore slab internal construction and project organization not to conform at mould internal shift occurs, fully ensure that the quality of precast hollow slab.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in Figure 5, described positioner 20 can be groove.So, when positioner 20 is groove, in application process, the situation that positioner 20 can coordinate screens fixedly to prevent hollow section from causing hollowcore slab internal construction and project organization not to conform at mould internal shift with reinforcing bar or steel wire very easily occurs, fully ensure that the quality of precast hollow slab.
On the basis of above-described embodiment, in another embodiment of the utility model, described groove can be the groove that the little endoporus of entrance is large.So, when groove is into the large groove of young endoporus, in application process, reinforcing bar or steel wire snap in after in groove, in the process of building cast-in-situ concrete, enter the effect that the large groove of young endoporus can play snap close, thus make reinforcing bar or steel wire be not easy to eject.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in Figure 5, at least one end of described body 1 can be provided with enclosing cover 4, and body 1 is closed into blind pipe or closed hollow pipe by described enclosing cover 4.So, when at least one end of body 1 is provided with enclosing cover 4, body 1 is closed into blind pipe or closed hollow pipe by described enclosing cover 4, described pore-forming pipe is applied to after in precast hollow slab, as end also concreting, then can form semiclosed or totally enclosed precast hollow slab, globality, the sound-insulating heat-insulation property of this precast hollow slab are good, in particular improve the bonding strength between precast hollow slab two plate faces, prevent its dislocation in lifting and installation process from damaging.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in Figure 5, described enclosing cover 4 end can be provided with keeper 40, and described keeper 40 is arranged at bottom enclosing cover 4 edge or enclosing cover 4.So, when enclosing cover 4 end is provided with keeper 40, described keeper 40 is arranged at bottom enclosing cover 4 edge or enclosing cover 4, in application process, pore-forming pipe can be fixed in the moulding form of precast hollow slab by keeper 40, the situation preventing pore-forming tube end from causing hollowcore slab internal construction and project organization not to conform at mould internal shift occurs, fully ensure that the quality of precast hollow slab.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in Figure 1, described fin 2 can be arranged on two relative faces of body 1.So, fin 2 is arranged on two relative faces of body 1, in application process, fin 2 can be arranged at the reinforcing bar of its both sides or steel wire or precast hollow board forming die supporting and location, and after multiple pore-forming pipe arrangement, fin 2 cooperatively interacts, and can play shaping effect of blocking, prevent the concrete of precast hollow slab both sides completely through, serve the effect cutting off concrete heat bridge.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in Figure 2, described fin 2 can be arranged on four faces of body 1.So, when on four faces that fin 2 is arranged at body 1, fin 2 can be arranged at the reinforcing bar of its both sides or steel wire or precast hollow board forming die supporting and location, simultaneously, after multiple pore-forming pipe arrangement, fin 2 cooperatively interacts, and can play and block shaping effect, prevent the concrete of precast hollow slab both sides completely through, serve the effect cutting off concrete heat bridge.
On the basis of above-described embodiment, in another embodiment of the utility model, the material of described body 1 is plastics, fin 2 global formation that described body 1 and external surface thereof are arranged.So, when the material of body 1 is plastics, during fin 2 global formation that described body 1 and external surface thereof are arranged, pore-forming pipe is manufactured convenient and simple, pipe thickness can strictly control, and the bonding strength between fin 2 and body 1 is good, be not easy damage to come off, fully ensure that the quality of pore-forming pipe.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in Figure 3, described fin 2 shifts to install on relative two faces of body 1.So, when fin 2 shifts to install on relative two faces of body 1, in application process, after multiple pore-forming pipe arrangement, the fin 2 shifted to install complements each other to form and blocks, and can reduce producting process difficulty, is conducive to reducing costs, raises the efficiency.
On the basis of above-described embodiment, in another embodiment of the utility model, the tube wall surface of described body is provided with hardened layer.So, the tube wall surface of body is provided with hardened layer, when same material, the rigidity of pore-forming pipe obtains further reinforcement, makes it more not yielding when concreting, thus improves the total quality of precast hollow slab.
The above is only preferred embodiment of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (15)
1. precast hollow slab buries a core pore-forming pipe, comprises body, it is characterized in that, described body is through hollow section, and the tube wall of described body is honeycomb structure.
2. precast hollow slab according to claim 1 buries core pore-forming pipe, it is characterized in that, the external surface of described body is provided with at least one fin, and described fin is longitudinally arranged at tube surfaces.
3. precast hollow slab according to claim 1 buries core pore-forming pipe, it is characterized in that, described body cross section is rectangle.
4. precast hollow slab according to claim 3 buries core pore-forming pipe, it is characterized in that, described tube wall is provided with at least one transverse concave groove.
5. precast hollow slab according to claim 3 buries core pore-forming pipe, it is characterized in that, described body is provided with at least one align member.
6. precast hollow slab according to claim 2 buries core pore-forming pipe, it is characterized in that, described fin is provided with positioner.
7. precast hollow slab according to claim 6 buries core pore-forming pipe, it is characterized in that, described positioner is groove.
8. precast hollow slab according to claim 7 buries core pore-forming pipe, it is characterized in that, described groove is into the large groove of young endoporus.
9. precast hollow slab according to claim 6 buries core pore-forming pipe, it is characterized in that, at least one end of described body is provided with enclosing cover, and body is closed into blind pipe or closed hollow pipe by described enclosing cover.
10. precast hollow slab according to claim 9 buries core pore-forming pipe, it is characterized in that, described enclosing cover end is provided with keeper, and described keeper is arranged at enclosing cover edge or cover bottom portion.
11. precast hollow slabs according to claim 2 bury core pore-forming pipe, it is characterized in that, described fin is arranged on two relative faces of body.
12. precast hollow slabs according to claim 2 bury core pore-forming pipe, it is characterized in that, described fin is arranged on four faces of body.
13. precast hollow slabs according to any one of claim 1 to 5 bury core pore-forming pipe, it is characterized in that, the material of described body is plastics, the fin global formation that described body and external surface thereof are arranged.
14. precast hollow slabs according to claim 11 bury core pore-forming pipe, it is characterized in that, described fin shifts to install on relative two faces of body.
15. precast hollow slabs according to claim 1 bury core pore-forming pipe, it is characterized in that, the tube wall surface of described body is provided with hardened layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520770565.8U CN205153285U (en) | 2015-09-30 | 2015-09-30 | Hollow core slab buries core pore -forming pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520770565.8U CN205153285U (en) | 2015-09-30 | 2015-09-30 | Hollow core slab buries core pore -forming pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205153285U true CN205153285U (en) | 2016-04-13 |
Family
ID=55688997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520770565.8U Active CN205153285U (en) | 2015-09-30 | 2015-09-30 | Hollow core slab buries core pore -forming pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205153285U (en) |
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2015
- 2015-09-30 CN CN201520770565.8U patent/CN205153285U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: CHINA MINGSHENG DRAWIN TECHNOLOGY INVESTMENT CO., LTD. Assignor: Zhong Minzhuyou Co., Ltd Contract record no.: 2017430000027 Denomination of utility model: Prefabricated hollow slab core-buried pore-forming pipe Granted publication date: 20160413 License type: Exclusive License Record date: 20171222 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: CHINA MINGSHENG DRAWIN TECHNOLOGY INVESTMENT CO., LTD. Assignor: Zhong Minzhuyou Co., Ltd Contract record no.: 2017430000027 Date of cancellation: 20180801 |
|
| EC01 | Cancellation of recordation of patent licensing contract |