CN104878863A - Light composite floor and construction method thereof - Google Patents
Light composite floor and construction method thereof Download PDFInfo
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- CN104878863A CN104878863A CN201510219299.4A CN201510219299A CN104878863A CN 104878863 A CN104878863 A CN 104878863A CN 201510219299 A CN201510219299 A CN 201510219299A CN 104878863 A CN104878863 A CN 104878863A
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- girder steel
- main girder
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- prefabricated chunk
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Abstract
The invention relates to an assembly type composite floor and a manufacturing method thereof. The assembly type composite floor comprises a supporting framework, wherein the supporting framework comprises a main steel beam, an auxiliary steel beam, a prefabricated chunk and concrete layers; the main steel beam and the auxiliary steel beam are connected with each other in a cross mode and are steel structures; the steel structures are hollow; the section of the middle of each steel structure is 'n'-shaped; outward extension wing plates are respectively arranged on two sides of the lower end of each steel structure; in the supporting framework, the outward extension wing plates of the main steel beam and outward extension wing plates of the auxiliary steel beam are arranged upwards; the prefabricated chunk is arranged above the supporting framework, is erected in hollow-out space surrounded by the main steel beam and the auxiliary steel beam and is made of light-weight aggregate concrete; and the concrete layers are poured on a portion above the prefabricated chunk and in seams in the main steel beam and the auxiliary steel beam. Compared with the prior art, the assembly type composite floor has the advantages that the prefabricated chunk is directly arranged on the supporting framework, assembly construction is implemented, formworks are not required, and construction is facilitated; the self weight of the floor is light; and the insides of the main steel beam and the auxiliary steel beam are filled with concrete, and the whole fire resistance of the floor is improved.
Description
Technical field
The present invention relates to a kind of lightweight composite floor and construction method thereof, belong to Structural Engineering field.
Background technology
In building structure especially Multistory-tall building, adopt profiled sheet-ordinary concrete composite floor system, steel bar girder superstructure, ordinary reinforced concrete girt strip type superstructure or steel concrete intersecting parallels superstructure etc. at present more.These superstructures have many deficiencies, as mostly be situ wet job execution, floor from great, can not assemblingization be realized.
Summary of the invention
Primary technical problem to be solved by this invention provides a kind of existing enough supporting capacitys for above-mentioned prior art, reduce foundation cost because lighter deadweight makes integrally-built weight saving again, and the lightweight composite floor of prefabricated construction.
The further technical problem to be solved of the present invention is to provide a kind of construction method of above-mentioned lightweight composite floor.
The present invention solves the technical scheme that above-mentioned technology matter of utmost importance adopts: 1, a kind of lightweight composite floor, is characterized in that: comprise
Be positioned at the support frame of bottom, this support frame comprises: the main girder steel that right-angled intersection mode connects and secondary girder steel, wherein main girder steel and secondary girder steel are boring, cross section, middle part in " Π " shape and both sides, lower end with the steel structure body of overhanging wing plate, in this support frame, the overhanging wing plate of main girder steel and secondary girder steel is arranged upward;
Be arranged on above support frame, be erected at the hollow space place that main girder steel and secondary girder steel surround, the prefabricated chunk be made up of light weight aggregate concrete, this prefabricated chunk lower end surrounding is carried on the overhanging wing plate of main girder steel and secondary girder steel;
Be cast in above prefabricated chunk and the layer of concrete of inside hollow joint of main girder steel and secondary girder steel.
As improvement, be provided with in the middle part of described main girder steel in axially arranging and stretch web, be also provided with in the middle part of described secondary girder steel in axially arranging and stretch web.
Improve, stretch in described main girder steel sidewall and inside and web is provided with shearing resistance tightening latch passes through hole, this shearing resistance tightening latch passes through in hole and is provided with shearing resistance tightening latch or pipe again; Stretch in described secondary girder steel sidewall and inside web also on be provided with shearing resistance tightening latch and pass through hole, this shearing resistance tightening latch passes through in hole and is provided with shearing resistance and connects tightening latch or pipe.
Improve again, described main girder steel is connected by L-type connector with secondary girder steel, wherein the elongated and secondary girder steel of main girder steel is connected to elongated main girder steel both sides in turn, when using L-type connector to be connected with secondary girder steel by main girder steel, L-type connector is connected with all using shear connections tightening latch between main girder steel and secondary girder steel.
Improve, the middle part of described prefabricated chunk is provided with gauze wire cloth lamella again.
Improve again, between any two pieces of precast plates, be all furnished with steel tie.
Improve, the upper surface of described prefabricated chunk is reserved with the occlusion conduit placing described horizontal reinforcement again.
The present invention solves the technical scheme that above-mentioned further technical problem adopts: the manufacture method of above-mentioned assembling composite floor, is characterized in that: comprise following operation:
(1), the main girder steel of factory process, secondary girder steel, L-type connector, in stretch web, shearing resistance tightening latch, steel tie;
(2), at produce in factory prefabricated chunk;
(3), at the construction field (site), interior web of stretching is welded in main girder steel and secondary girder steel, then main girder steel and secondary girder steel is connected with L-type connector with shear connections tightening latch, thus form cross-coupled support framework in length and breadth, in support framework, the overhanging wing plate of main girder steel and secondary girder steel is arranged upward, in addition, in main girder steel sidewall and inside, the shearing resistance tightening latch stretched on web passes through hole and wears shearing resistance tightening latch;
(4), by prefabricated chunk be laid on the hollow part of carrying bone, prefabricated chunk lower end surrounding is carried on the overhanging wing plate of main girder steel and secondary girder steel;
(5), between any two pieces of precast plates be all furnished with steel tie, steel tie be laid on occlusion conduit in, when interior stretch web higher than precast plate surface time, steel tie need pass through in stretch web;
(6), fluid concrete layer above prefabricated chunk and in the inside hollow joint of main girder steel and secondary girder steel, the surface of layer of concrete needs smooth, thus forms entire combination floor.
Compared with prior art, the invention has the advantages that:
(1), support frame directly adopts prefabricated chunk, prefabricated construction, without the need to formwork, easy construction;
(2), floor is from heavy and light;
(3), main girder steel and secondary girder steel be inner by Concrete Filled, and the fire-proof capability of floor is improved;
(4) have the space that support framework is formed bottom the composite floor, in the present invention, various pipe installation is convenient in this space;
(5), be applicable to superstructure and the roof system of various building, comprise concrete structure and steel work.
Accompanying drawing explanation
Fig. 1 is the perspective view of support frame in the embodiment of the present invention;
Fig. 2 is the perspective view after support frame being laid in the embodiment of the present invention prefabricated chunk;
Fig. 3 is the schematic perspective view of assembling composite floor after completion in the embodiment of the present invention
Fig. 4 is prefabricated chunk front view;
Fig. 5 is the structural representation of main girder steel and secondary girder steel junction in the embodiment of the present invention;
Fig. 6 is Fig. 5 is that middle A-A is to schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
Lightweight composite floor provided by the invention, comprising:
Support framework, this support framework comprises main girder steel and secondary girder steel, main girder steel and secondary steel girder erection are on the pedestal beam of border, wherein the elongated and secondary girder steel 2 of main girder steel 1 is connected in right-angled intersection mode thus forms the support framework intersected in length and breadth, shown in Figure 1, main girder steel and secondary girder steel are boring, cross section, middle part is in " Π " shape, and both sides, lower end are with the steel structure body of overhanging wing plate, in this support frame, the overhanging wing plate of main girder steel and secondary girder steel is arranged upward, described main girder steel is connected by L-type connector 8 with secondary girder steel, wherein main girder steel is elongated, and secondary girder steel is connected to elongated main girder steel both sides in turn, when using L-type connector 8 to be connected with secondary girder steel by main girder steel, L-type connector is connected with all using shear connections tightening latch 9 between main girder steel and secondary girder steel, when major-minor girder steel connects, use shear connections tightening latch 9, both connection function was served, also there is certain shearing resistance effect simultaneously, be provided with in the middle part of main girder steel and secondary girder steel in axially arranging and stretch web 10, for improving the bending rigidity of major-minor girder steel, being connected to form of major-minor girder steel of L-type connector to both direction just connects, thus realizes the supporting role of secondary beam to girder, stretch in the sidewall of main girder steel and its inside and web has symmetrically arranged shearing resistance tightening latch pass through hole 13, shearing resistance tightening latch passes through in hole 13 and is provided with shearing resistance tightening latch 12 or pipe, shown in Fig. 5 and Fig. 6, when secondary girder steel length is longer, can stretch in its sidewall and its inside equally and web has symmetrically arranged shearing resistance tightening latch pass through hole, then be located in this shearing resistance tightening latch with shearing resistance tightening latch 12 or pipe and pass through in hole.
Be erected at the prefabricated chunk 3 above above-mentioned support frame, this prefabricated chunk 3 is laid on the hollow space place that main girder steel and secondary girder steel surround, and be made up of light weight aggregate concrete, this prefabricated chunk lower end surrounding is carried on the overhanging wing plate of main girder steel and secondary girder steel; The middle part that type prefabricated chunk lays steel fabric sheet prefabricated chunk at the position of distance soffit 20mm is provided with gauze wire cloth lamella 4, all be furnished with steel tie 6 between any two pieces of precast plates, the upper surface of prefabricated chunk is reserved with the occlusion conduit 5 placing described horizontal reinforcement; When interior stretch web higher than precast plate surface time, steel tie need pass through in stretch web, stretch the hole 11 web being provided with and being convenient to steel tie 6 and passing therefore;
Be cast in above prefabricated chunk and the layer of concrete 7 of inside hollow joint of main girder steel and secondary girder steel.
The manufacture method of above-mentioned assembling composite floor, comprises following operation:
(1), the main girder steel of factory process, secondary girder steel, L-type connector, in stretch web, shearing resistance tightening latch, steel tie;
(2), at produce in factory prefabricated chunk;
(3), at the construction field (site), interior web of stretching is welded in main girder steel and secondary girder steel, then main girder steel and secondary girder steel is connected with L-type connector with shear connections tightening latch, thus form cross-coupled support framework in length and breadth, in support framework, the overhanging wing plate of main girder steel and secondary girder steel is arranged upward, in addition, in main girder steel sidewall and inside, the shearing resistance tightening latch stretched on web passes through hole and wears shearing resistance tightening latch;
(4), by prefabricated chunk be laid on the hollow part of carrying bone, prefabricated chunk lower end surrounding is carried on the overhanging wing plate of main girder steel and secondary girder steel;
(5), between any two pieces of precast plates be all furnished with steel tie, steel tie be laid on occlusion conduit in, when interior stretch web higher than precast plate surface time, steel tie need pass through in stretch web;
(6), fluid concrete layer above prefabricated chunk and in the inside hollow joint of main girder steel and secondary girder steel, the surface of layer of concrete needs smooth, thus forms entire combination floor.
Claims (8)
1. a lightweight composite floor, is characterized in that: comprise
Be positioned at the support frame of bottom, this support frame comprises: the main girder steel that right-angled intersection mode connects and secondary girder steel, wherein main girder steel and secondary girder steel are boring, cross section, middle part in " Π " shape and both sides, lower end with the steel structure body of overhanging wing plate, in this support frame, the overhanging wing plate of main girder steel and secondary girder steel is arranged upward;
Be arranged on above support frame, be erected at the hollow space place that main girder steel and secondary girder steel surround, the prefabricated chunk be made up of light weight aggregate concrete, this prefabricated chunk lower end surrounding is carried on the overhanging wing plate of main girder steel and secondary girder steel;
Be cast in above prefabricated chunk and the layer of concrete of inside hollow joint of main girder steel and secondary girder steel.
2. assembling composite floor according to claim 1, is characterized in that: be provided with in the middle part of described main girder steel in axially arranging and stretch web, is also provided with in axially arranging and stretches web in the middle part of described secondary girder steel.
3. assembling composite floor according to claim 2, is characterized in that: stretch in described main girder steel sidewall and inside and web is provided with shearing resistance tightening latch passes through hole, this shearing resistance tightening latch passes through in hole and is provided with shearing resistance tightening latch or pipe.
4. assembling composite floor according to claim 3, it is characterized in that: described main girder steel is connected by L-type connector with secondary girder steel, wherein the elongated and secondary girder steel of main girder steel is connected to elongated main girder steel both sides in turn, when using L-type connector to be connected with secondary girder steel by main girder steel, L-type connector is connected with all using shear connections tightening latch between main girder steel and secondary girder steel.
5. assembling composite floor according to claim 4, is characterized in that: the middle part of described prefabricated chunk is provided with gauze wire cloth lamella.
6. assembling composite floor according to claim 5, is characterized in that: be all furnished with steel tie between any two pieces of precast plates.
7. assembling composite floor according to claim 6, is characterized in that: the upper surface of described prefabricated chunk is reserved with the occlusion conduit placing described horizontal reinforcement.
8. a manufacture method for assembling composite floor as claimed in claim 7, is characterized in that: comprise following operation:
(1), the main girder steel of factory process, secondary girder steel, L-type connector, in stretch web, shearing resistance tightening latch, shear connections tightening latch, steel tie;
(2), at produce in factory prefabricated chunk;
(3), at the construction field (site), interior web of stretching is welded in main girder steel and secondary girder steel, then main girder steel and secondary girder steel is connected with L-type connector with shear connections tightening latch, thus form cross-coupled support framework in length and breadth, in support framework, the overhanging wing plate of main girder steel and secondary girder steel is arranged upward, in addition, in main girder steel sidewall and inside, the shearing resistance tightening latch stretched on web passes through hole and wears shearing resistance tightening latch;
(4), by prefabricated chunk be laid on the hollow part of carrying bone, prefabricated chunk lower end surrounding is carried on the overhanging wing plate of main girder steel and secondary girder steel;
(5), between any two pieces of precast plates be all furnished with steel tie, steel tie be laid on occlusion conduit in, when interior stretch web higher than precast plate surface time, steel tie need pass through in stretch web;
(6), fluid concrete layer above prefabricated chunk and in the inside hollow joint of main girder steel and secondary girder steel, the surface of layer of concrete needs smooth, thus forms entire combination floor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510219299.4A CN104878863B (en) | 2015-04-30 | 2015-04-30 | Construction method of light composite floor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510219299.4A CN104878863B (en) | 2015-04-30 | 2015-04-30 | Construction method of light composite floor |
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| CN104878863A true CN104878863A (en) | 2015-09-02 |
| CN104878863B CN104878863B (en) | 2017-05-03 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106760099A (en) * | 2016-12-26 | 2017-05-31 | 中国电子工程设计院 | A kind of floor panels framework and floor panels |
| CN107299710A (en) * | 2017-06-21 | 2017-10-27 | 中天建设集团浙江钢构有限公司 | Integrated assembled type light floor and its construction method |
| CN110512784A (en) * | 2019-09-25 | 2019-11-29 | 宁波大学科学技术学院 | A kind of assembled light floor and its construction method |
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| KR20030008875A (en) * | 2001-07-20 | 2003-01-29 | 한국건설기술연구원 | steel beam with open section and composite structure using the same |
| CN101173542A (en) * | 2007-11-23 | 2008-05-07 | 清华大学 | Bidirectional steel-stacked plate concrete composite building roof |
| KR20120028764A (en) * | 2010-09-15 | 2012-03-23 | 한국건설기술연구원 | Composite beam using built-up beam of c-shaped member and inverse t-shaped member |
| CN103061443A (en) * | 2012-12-31 | 2013-04-24 | 合肥工业大学 | Novel enclosed steel-concrete superimposed plate composite beam |
| CN103835435A (en) * | 2014-03-07 | 2014-06-04 | 江苏中宝钢构有限公司 | U-shaped steel-concrete composite beam |
| CN204728549U (en) * | 2015-04-30 | 2015-10-28 | 宁波大学 | A kind of lightweight composite floor |
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2015
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Patent Citations (6)
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|---|---|---|---|---|
| KR20030008875A (en) * | 2001-07-20 | 2003-01-29 | 한국건설기술연구원 | steel beam with open section and composite structure using the same |
| CN101173542A (en) * | 2007-11-23 | 2008-05-07 | 清华大学 | Bidirectional steel-stacked plate concrete composite building roof |
| KR20120028764A (en) * | 2010-09-15 | 2012-03-23 | 한국건설기술연구원 | Composite beam using built-up beam of c-shaped member and inverse t-shaped member |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106760099A (en) * | 2016-12-26 | 2017-05-31 | 中国电子工程设计院 | A kind of floor panels framework and floor panels |
| CN107299710A (en) * | 2017-06-21 | 2017-10-27 | 中天建设集团浙江钢构有限公司 | Integrated assembled type light floor and its construction method |
| CN110512784A (en) * | 2019-09-25 | 2019-11-29 | 宁波大学科学技术学院 | A kind of assembled light floor and its construction method |
| CN110512784B (en) * | 2019-09-25 | 2024-05-31 | 宁波大学科学技术学院 | Assembled light floor and construction method thereof |
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| CN104878863B (en) | 2017-05-03 |
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Effective date of registration: 20200731 Address after: Room 501, office building, Langchuan Avenue, Jianping Town, Langxi County, Huzhou City, Zhejiang Province Patentee after: Huzhou You Yan Intellectual Property Service Co.,Ltd. Address before: 315211 Zhejiang Province, Ningbo Jiangbei District Fenghua Road No. 818 Patentee before: Ningbo University |
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Address after: Room 1,020, Nanxun Science and Technology Pioneering Park, No. 666 Chaoyang Road, Nanxun District, Huzhou City, Zhejiang Province, 313000 Patentee after: Huzhou You Yan Intellectual Property Service Co.,Ltd. Address before: Room 501, office building, Langchuan Avenue, Jianping Town, Langxi County, Huzhou City, Zhejiang Province Patentee before: Huzhou You Yan Intellectual Property Service Co.,Ltd. |