CN112376773A - Prefabricated hollow slab floor system and assembled side formwork system and using method thereof - Google Patents
Prefabricated hollow slab floor system and assembled side formwork system and using method thereof Download PDFInfo
- Publication number
- CN112376773A CN112376773A CN202011186539.2A CN202011186539A CN112376773A CN 112376773 A CN112376773 A CN 112376773A CN 202011186539 A CN202011186539 A CN 202011186539A CN 112376773 A CN112376773 A CN 112376773A
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- China
- Prior art keywords
- steel pipe
- template
- hollow slab
- transverse supporting
- longitudinal
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
- E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/48—Supporting structures for shutterings or frames for floors or roofs
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/48—Supporting structures for shutterings or frames for floors or roofs
- E04G11/50—Girders, beams, or the like as supporting members for forms
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
本发明为一种预制空心板楼盖及其装配式边模体系和使用方法；装配式边模体系包括开设有若干贯通孔的预制梁，穿过贯通孔的横向支承钢管架，固设于横向支承钢管上的纵向钢管以及铺设于纵向钢管的模板；使用方法为按照顺序依次将横向支承钢管、纵向钢管、模板进行安装，之后吊装预制梁至指定位置，至后安装预应力空心板并浇筑面层混凝土；最后拆除除预制梁外的其他部件；采用上述使用方法可制得的预应力空心板楼盖。本发明能够提升工程施工速度和质量并降低造价。
The invention relates to a prefabricated hollow-core slab floor, an assembled side formwork system and a method for using the same; the assembled sideform system comprises a prefabricated beam with a plurality of through holes, a transverse support steel pipe frame passing through the through holes, and fixed in the transverse direction. The longitudinal steel pipe on the supporting steel pipe and the formwork laid on the longitudinal steel pipe; the method of use is to install the transverse supporting steel pipe, the longitudinal steel pipe and the formwork in sequence, then hoist the prefabricated beam to the designated position, and then install the prestressed hollow slab and pour the surface layer of concrete; finally remove other components except prefabricated beams; prestressed hollow-core slab floor can be obtained by using the above method. The invention can improve the construction speed and quality and reduce the construction cost.
Description
Technical Field
The invention relates to the field of building construction measures, in particular to a prefabricated hollow slab floor system, an assembled side formwork system and a using method thereof.
Background
When the existing assembly type concrete building horizontal component adopts a scheme of prefabricating a superposed beam and a prestressed hollow slab, the clear distance between the beam and the beam often cannot meet the modulus requirement of the prestressed hollow slab, and a prestressed hollow floor slab cannot be used in a partial area of the beam edge on one side, so that the mold sealing and concrete pouring are required to be carried out on a construction site; the construction speed of the prestressed hollow slab assembled floor system is adversely affected. When the floor layer is higher than a large floor or the structural part jumps, the support cost is high, and the synchronous construction convenience of the lower floor is influenced.
Disclosure of Invention
The invention aims to: providing a prefabricated hollow slab floor system, an assembled side formwork system and a using method thereof; the construction speed of the project can be improved, and the manufacturing cost is reduced.
The invention is realized by the following technical scheme: an assembled side formwork system for a prestressed hollow slab floor system comprises
The prefabricated beam 3 is a beam structure extending in the front-back direction, and a plurality of through holes 4 extending in the left-right direction are formed in the beam structure;
the outer diameter of the transverse supporting steel pipe 5 is slightly smaller than the aperture of the through hole 4, the transverse supporting steel pipe 5 penetrates through the through hole 4 and is temporarily fixed with the transverse supporting steel pipe 5 through a fastener 5 a;
the longitudinal steel pipe 6 is arranged above the transverse supporting steel pipe 5 and is connected with the transverse supporting steel pipe 5 through a steel pipe fastener 7;
the template is laid above the longitudinal steel pipe 6 and is connected with the longitudinal steel pipe 6 in a detachable mode; for carrying the prestressed hollow slab 1.
A use method of the prefabricated hollow slab floor assembled side formwork system,
it comprises the following steps:
step 1: installing a transverse supporting steel pipe 5 in a through hole 4 of the precast beam 3; the fastener 5a is inserted into the gap between the through hole 4 and the transverse supporting steel pipe 5 to realize the fixation of the two;
step 2: the longitudinal steel pipe 6 is locked on the transverse supporting steel pipe 5 through a steel pipe fastener 7;
and step 3: installing and fixing the template above the longitudinal steel pipe 6;
and 4, step 4: integrally hoisting the precast beam 3 to a specified position, mounting the prestressed hollow slab 1 and pouring surface layer concrete 2;
and 5: and after the surface concrete 2 meets the design strength requirement, removing the fasteners 5a5a, loosening the steel tube fasteners 7, knocking out the transverse supporting steel tubes 55 from one side to the other side of the precast beam 3, and naturally removing the longitudinal steel tubes 6 and the template.
A prestressed hollow slab floor system manufactured by the using method.
Compared with the prior art, the invention has the beneficial effects that:
1. the problem of template support when the net size between the beams does not accord with the modulus of the prestressed hollow slab is solved;
2. the special template system does not need to be erected from the lower layer, can be fixed on the precast beam component to be hoisted together, and thoroughly realizes the support-free and template-free effect. The method can obviously save the field measure cost, can realize the early start of the installation and decoration processes of lower-layer equipment and shorten the construction time;
3. the assembly and disassembly are convenient and quick, the recycling is realized, and the cost is low;
4. different types of templates can be adapted.
Drawings
FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
FIG. 2 is a cross-sectional view of the concrete of FIG. 1 after the concrete of the facing is poured;
FIG. 3 is a schematic view of the overall structure of embodiment 2 of the present invention;
FIG. 4 is a cross-sectional view of the concrete of FIG. 3 after the concrete of the facing layer is poured;
FIG. 5 is a cross-sectional view of a precast beam;
fig. 6 is a sectional view of the precast beam after the transverse supporting steel pipes are inserted.
Description of reference numerals: the method comprises the following steps of 1-hollow slab, 2-pouring surface layer concrete, 3-precast beam, 4-through hole, 5-transverse supporting steel pipe, 5 a-fastener, 6-longitudinal steel pipe, 7-steel pipe fastener, 8 a-wood formwork, 8 b-steel formwork and 9 fastener.
Detailed Description
The invention is described in detail below with reference to the following description of the drawings:
as shown in fig. 1-6: an assembled side formwork system for a prestressed hollow slab floor system comprises
The prefabricated beam 3 is a beam structure extending in the front-back direction, and a plurality of through holes 4 extending in the left-right direction are formed in the beam structure;
the outer diameter of the transverse supporting steel pipe 5 is slightly smaller than the aperture of the through hole 4, the transverse supporting steel pipe 5 penetrates through the through hole 4 and is temporarily fixed with the transverse supporting steel pipe 5 through a fastener 5 a;
the longitudinal steel pipe 6 is arranged above the transverse supporting steel pipe 5 and is connected with the transverse supporting steel pipe 5 through a steel pipe fastener 7;
the template is laid above the longitudinal steel pipe 6 and is connected with the longitudinal steel pipe 6 in a detachable mode; for carrying the prestressed hollow slab 1.
Wherein the fastener 5a is a wedge made of wood or rubber.
The following two examples can be derived according to the type of template:
example 1
As shown in fig. 1 and 2: the template is a wooden template 8a, and the wooden template 8a penetrates through the template 8a by adopting a steel wire to be fixed with the longitudinal steel pipe 6.
Example 2
As shown in fig. 3 and 4: the template is a steel template 8b, a clamping piece 9 is fixedly arranged at the bottom of the steel template 8b, and the clamping piece 9 is clamped on the longitudinal steel pipe 6.
And the top of the precast beam 3 is provided with a steel bar extending out of the precast beam 3. Because the later stage involves pouring surface layer concrete, adopt the reinforcing bar of precast beam 3 and prestressing force hollow slab lateral surface to be on the flat front, can ensure that the connection between precast beam 3 and the prestressing force hollow slab 1 forms wholly.
The use method of the assembled side die system comprises the following steps:
step 1: installing a transverse supporting steel pipe 5 in a through hole 4 of the precast beam 3; the fastener 5a is inserted into the gap between the through hole 4 and the transverse supporting steel pipe 5 to realize the fixation of the two;
the precast beam can reserve the through hole 4 in the early production stage without opening in the later production stage.
Step 2: the longitudinal steel pipe 6 is locked on the transverse supporting steel pipe 5 through a steel pipe fastener 7;
and step 3: installing and fixing the template above the longitudinal steel pipe 6;
and 4, step 4: integrally hoisting the precast beam 3 to a specified position, mounting the prestressed hollow slab 1 and pouring surface layer concrete 2;
and 5: and after the surface concrete 2 meets the design strength requirement, removing the fasteners 5a5a, loosening the steel tube fasteners 7, knocking out the transverse supporting steel tubes 55 from one side to the other side of the precast beam 3, and naturally removing the longitudinal steel tubes 6 and the template.
Different operation methods also exist in the step 3 according to different materials selected by the template;
in step 3, when the template is a wood template, a steel wire penetrates through the template 8a and is fixed with the longitudinal steel pipe 6.
And in the step 3, when the template is a steel template, a clamping piece 9 is fixedly arranged at the bottom of the steel template, and the clamping piece 9 is clamped and fixed with the longitudinal steel pipe 6.
The steel wire pierces through wooden template and binds and steel form sets up fastener and steel pipe fixed, belongs to common fixed mode in the building field, and the event is no longer repeated.
The prestressed hollow slab floor system can be finally prepared according to the using method.
It should be noted that, the above-mentioned application method can be finally removed except for the precast beam 3, which is convenient for recycling.
While the invention has been illustrated and described with respect to specific embodiments and alternatives thereof, it will be understood that various changes and modifications can be made without departing from the spirit and scope of the invention. It is understood, therefore, that the invention is not to be in any way limited except by the appended claims and their equivalents.
Claims (9)
1. A assembled side forms system for hollow slab superstructure of prestressing force, its characterized in that: it comprises
The prefabricated beam structure comprises a prefabricated beam (3) and a beam structure extending in the front-back direction, wherein a plurality of through holes (4) extending in the left-right direction are formed in the beam structure;
the outer diameter of the transverse supporting steel pipe (5) is slightly smaller than the aperture of the through hole (4), the transverse supporting steel pipe (5) penetrates through the through hole (4) and is temporarily fixed with the transverse supporting steel pipe (5) through a fastening piece (5 a);
the longitudinal steel pipe (6) is arranged above the transverse supporting steel pipe (5) and is connected with the transverse supporting steel pipe (5) through a steel pipe fastener (7);
the template is laid above the longitudinal steel pipe (6) and is connected with the longitudinal steel pipe (6) in a detachable mode; for carrying a prestressed hollow slab (1).
2. The fabricated side form system for a prestressed hollow slab floor system according to claim 1, wherein: the fastener (5a) is a wedge made of wood or rubber.
3. The fabricated side form system for a prestressed hollow slab floor system according to claim 1, wherein:
the template is a wooden template (8a), and the wooden template (8a) is fixed with the longitudinal steel pipe (6) by penetrating the template (8a) through steel wires.
4. The fabricated side form system for a prestressed hollow slab floor system according to claim 1, wherein:
the template is a steel template (8b), a clamping piece (9) is fixedly arranged at the bottom of the steel template (8b), and the clamping piece (9) is clamped on the longitudinal steel pipe (6).
5. The fabricated side form system for a prestressed hollow slab floor system according to claim 1, wherein: and the top of the precast beam (3) is provided with a steel bar extending out of the precast beam (3).
6. Use of the fabricated side form system according to claims 1-5, characterized in that: it comprises the following steps:
step 1: installing a transverse supporting steel pipe (5) in a through hole (4) of the precast beam (3); and the fastener (5a) is inserted into the gap between the through hole (4) and the transverse supporting steel pipe (5) to realize the fixation of the two;
step 2: the longitudinal steel pipe (6) is locked on the transverse supporting steel pipe (5) through a steel pipe fastener (7);
and step 3: installing and fixing the template above the longitudinal steel pipe (6);
and 4, step 4: integrally hoisting the precast beam (3) to a specified position, installing the prestressed hollow slab (1) at the rear, and pouring surface layer concrete (2);
and 5: and after the surface concrete (2) meets the design strength requirement, removing the fasteners (5a) (5a), loosening the steel pipe fasteners (7), knocking out the transverse supporting steel pipes (5) (5) from one side to the other side of the precast beam (3), and then naturally removing the longitudinal steel pipes (6) and the template.
7. The method of using the fabricated side form system of claim 6, wherein: in the step 3, when the template is a wood template, a steel wire penetrates through the template (8a) and is fixed with the longitudinal steel pipe (6).
8. The method of using the fabricated side form system of claim 6, wherein: in the step 3, when the template is a steel template, a clamping piece (9) is fixedly arranged at the bottom of the steel template, and the clamping piece (9) is clamped with the longitudinal steel pipe (6) to realize fixation.
9. A prestressed hollow slab floor according to any one of claims 6 to 8, manufactured by a method according to any one of claims 6 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011186539.2A CN112376773A (en) | 2020-10-29 | 2020-10-29 | Prefabricated hollow slab floor system and assembled side formwork system and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011186539.2A CN112376773A (en) | 2020-10-29 | 2020-10-29 | Prefabricated hollow slab floor system and assembled side formwork system and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112376773A true CN112376773A (en) | 2021-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011186539.2A Pending CN112376773A (en) | 2020-10-29 | 2020-10-29 | Prefabricated hollow slab floor system and assembled side formwork system and using method thereof |
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| CN (1) | CN112376773A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113123516A (en) * | 2021-04-10 | 2021-07-16 | 福建建工装配式建筑研究院有限公司 | Beam-slab integrated prefabricated concrete structure and construction method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0666025A (en) * | 1992-08-19 | 1994-03-08 | Takenaka Komuten Co Ltd | Floor forming method using floor supporting beam and floor supporting beam |
| CN102418381A (en) * | 2010-09-28 | 2012-04-18 | 杨峰 | Building structure system combined with steel beam and pre-tensioned prestressing superposed beam and construction method for building structure system |
| CN102433992A (en) * | 2011-12-12 | 2012-05-02 | 中冶建工集团有限公司 | Construction process for precast beam slab joint |
| KR20140108353A (en) * | 2013-02-07 | 2014-09-11 | 삼성물산 주식회사 | Improving structure integrity with topping concrete and improved shear load carrying of hollow slab structure using shear reinforcing bar and constructing method using the same |
| CN105952044A (en) * | 2016-05-23 | 2016-09-21 | 中国矿业大学 | Fully-prefabricated prestressed concrete floor structure and prestressed assembly method |
| CN208137425U (en) * | 2017-06-14 | 2018-11-23 | 北京智慧云建科技有限公司 | A kind of laminated floor slab same layer support device |
| CN214117178U (en) * | 2020-10-29 | 2021-09-03 | 福建建工装配式建筑研究院有限公司 | Be used for hollow slab superstructure of prestressing force and assembled side forms system thereof |
-
2020
- 2020-10-29 CN CN202011186539.2A patent/CN112376773A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0666025A (en) * | 1992-08-19 | 1994-03-08 | Takenaka Komuten Co Ltd | Floor forming method using floor supporting beam and floor supporting beam |
| CN102418381A (en) * | 2010-09-28 | 2012-04-18 | 杨峰 | Building structure system combined with steel beam and pre-tensioned prestressing superposed beam and construction method for building structure system |
| CN102433992A (en) * | 2011-12-12 | 2012-05-02 | 中冶建工集团有限公司 | Construction process for precast beam slab joint |
| KR20140108353A (en) * | 2013-02-07 | 2014-09-11 | 삼성물산 주식회사 | Improving structure integrity with topping concrete and improved shear load carrying of hollow slab structure using shear reinforcing bar and constructing method using the same |
| CN105952044A (en) * | 2016-05-23 | 2016-09-21 | 中国矿业大学 | Fully-prefabricated prestressed concrete floor structure and prestressed assembly method |
| CN208137425U (en) * | 2017-06-14 | 2018-11-23 | 北京智慧云建科技有限公司 | A kind of laminated floor slab same layer support device |
| CN214117178U (en) * | 2020-10-29 | 2021-09-03 | 福建建工装配式建筑研究院有限公司 | Be used for hollow slab superstructure of prestressing force and assembled side forms system thereof |
Non-Patent Citations (2)
| Title |
|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113123516A (en) * | 2021-04-10 | 2021-07-16 | 福建建工装配式建筑研究院有限公司 | Beam-slab integrated prefabricated concrete structure and construction method |
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