CN104895231A - Assembled composite floor slab and manufacturing method thereof - Google Patents

Assembled composite floor slab and manufacturing method thereof Download PDF

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Publication number
CN104895231A
CN104895231A CN201510217878.5A CN201510217878A CN104895231A CN 104895231 A CN104895231 A CN 104895231A CN 201510217878 A CN201510217878 A CN 201510217878A CN 104895231 A CN104895231 A CN 104895231A
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girder steel
type
main girder
precast plate
type precast
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CN201510217878.5A
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CN104895231B (en
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王新堂
于耀
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Huzhou You Yan Intellectual Property Service Co.,Ltd.
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Ningbo University
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Abstract

The invention relates to an assembled composite floor slab and a manufacturing method thereof. The assembled composite floor slab comprises II-shaped precast slabs (2), a plurality of I-shaped precast slabs (1) and a post-cast lightweight aggregate concrete layer (3), the II-shaped precast slabs (2) are positioned on two sides, the I-shaped precast slabs (1) are arranged between the two II-shaped precast slabs (2), and the post-cast lightweight aggregate concrete layer (3) is cast above the I-shaped precast slabs (1) and the II-shaped precast slabs (2) and between joint cracks. Compared with the prior art, the assembled composite floor slab has the advantages that the weight of the assembled composite floor slab is lighter as compared with an existing floor slab structure, the large-size precast slabs are used, assembled construction is performed, on-site wet construction quantity is the least, construction period is short, concrete wraps primary and secondary steel girders, overall fire resistance and corrosion resistance of the floor slab are improved, the upper surface and the lower surface of the floor slab are flat, and the assembled composite floor slab has an excellent appearance.

Description

A kind of assembling composite floor and manufacture method thereof
Technical field
The present invention relates to a kind of assembling composite floor and manufacture 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, have good anti-seismic performance because of lighter weight again, and the assembling composite floor of prefabricated construction.
The further technical problem to be solved of the present invention is to provide a kind of manufacture method of above-mentioned assembling composite floor.
The present invention solves the technical scheme that above-mentioned technology matter of utmost importance adopts: a kind of assembling composite floor, is characterized in that: comprise
Be positioned at the II type precast plate of both sides, be arranged on the some I type precast plates between two pieces of II type precast plates, and be cast in one deck after-pouring light weight aggregate concrete layer (3) above aforementioned I type precast plate and II type precast plate and between splicing seams, wherein
I type precast plate, comprise three successively parallel interval arrange the main girder steel of I type---the first main girder steel, second main girder steel and the 3rd main girder steel, the secondary girder steel that many parallel interval are arranged is connected with between first main girder steel and the second main girder steel, also the secondary girder steel that many parallel interval are arranged is connected with between second main girder steel and the 3rd main girder steel, the main girder steel of I type is boring with time girder steel (4), middle part rectangular in cross-section, and lower end is with the steel structure body of overhanging Double-wing-plate, the arranged outside of the first main girder steel (1a) has the symmetrically arranged L-type connector of many groups, the outside of the 3rd main girder steel is symmetrically arranged with the symmetrically arranged L-type connector of many groups, the space that the main girder steel of I type and time girder steel surround is built by light weight aggregate concrete,
II type precast plate, comprise three successively parallel interval arrange the main girder steel of II type---the 4th main girder steel, 5th main girder steel and the 6th main girder steel, the secondary girder steel that many parallel interval are arranged is connected with between 4th main girder steel and the 5th main girder steel, also the secondary girder steel that many parallel interval are arranged is connected with between 5th main girder steel and the 6th main girder steel, the main girder steel of II type is boring with time girder steel, middle part rectangular in cross-section, and lower end is with the steel structure body of overhanging Double-wing-plate, the arranged outside of the 4th main girder steel has the symmetrically arranged L-type connector of many groups, the arranged outside of the 6th main girder steel has overhanging beam, the space that the main girder steel of II type and time girder steel surround is built by light weight aggregate concrete, aforementioned overhanging beam is boring, the steel structure body of rectangular in cross-section,
The side being provided with overhanging beam in aforementioned II type precast plate is outside, and the side arranging the symmetrically arranged L-type connector of many groups is the connection side with I type precast plate.
Connected by many joggle beams between I type precast plate and II type precast plate, the two ends of joggle beam are connected with one group of L-type connector respectively, also connected by many joggle beams between two groups of I type precast plates, aforementioned joggle beam is the steel structure body of boring, middle part rectangular in cross-section.
The main girder steel of I type of I type precast plate is or/and secondary girder steel upper end face is welded with the occlusion shear key of some.
The main girder steel of II type of II type precast plate is or/and secondary girder steel upper end face is welded with the occlusion shear key of some.
The space that the main girder steel of I type and time girder steel surround is built by light weight aggregate concrete after laying the reinforcing bar of many right-angled intersections settings again, and the space that the main girder steel of II type and time girder steel surround is built by light weight aggregate concrete after laying the reinforcing bar of many right-angled intersections settings again.
There is the manufacture method of the assembling composite floor of said structure, it is characterized in that: comprise following operation:
(1), the main girder steel of I type, the main girder steel of II type, secondary girder steel, L-type connector, reinforcing bar, joggle beam, border overhanging beam, occlusion shear key is made in factory process;
(2), the main girder steel of I type of I type precast plate and secondary girder steel is processed in factory or job site;
(3), according to real size requirement, one piece of II type precast plate is placed in side at the construction field (site), then some pieces of I type precast plates are placed successively, finally place one piece of II type precast plate at opposite side again, the side being provided with overhanging beam (11) in aforementioned II type precast plate (2) is outside, and the side arranging the symmetrically arranged L-type connector (7) of many groups is the connection side with I type precast plate (1); Connected by many joggle beams (9) between I type precast plate and II type precast plate, the two ends of joggle beam are connected with one group of L-type connector respectively by bolt, are also connected by many joggle beams (9) between two groups of I type precast plates (1);
(4), finally in the splicing seams placed between I type precast plate and II type precast plate upper surface and I type precast plate and II type precast plate, two pieces of I type precast plates and surrounding border conduit, one deck after-pouring light weight aggregate concrete layer is poured into a mould, the surface of layer of concrete needs smooth, thus forms overall assembling composite floor.
After aforementioned assembling composite floor assembles, the end of I type precast plate, to be connected and fixed by the existing structure boundary beam of bolt and scene by the main girder steel of I type, the end of II type precast plate, to be connected and fixed by the existing structure boundary beam of bolt and scene by the main girder steel of II type, the outside of II type precast plate (2) is connected with contour connection beam by border overhanging beam, be connected and fixed by contour connection beam and on-the-spot structure boundary beam again, contour connection beam be cross section, middle part in " Π " type, lower end is with the steel structure body of overhanging Double-wing-plate.
Compared with prior art, the invention has the advantages that:
1, compare with existing floor slab structure, conduct oneself with dignity lighter;
2, adopt that large scale precast plate, prefabricated construction, situ wet workload are minimum, short construction period;
3, primary and secondary girder steel is wrapped up by concrete, and fire-proof capability and the antiseptic power of floor are all improved;
4, the upper and lower surface of floor is comparatively smooth, has good outward appearance.
Accompanying drawing explanation
Fig. 1 is the perspective view of the primary and secondary girder steel skeleton of I type precast plate in the embodiment of the present invention;
Fig. 2 is the perspective view of the primary and secondary girder steel skeleton of II type precast plate in the embodiment of the present invention;
Fig. 3 is the profile of time girder steel in the embodiment of the present invention;
Fig. 4 is the perspective view of I type precast plate in the embodiment of the present invention;
Fig. 5 is the perspective view of II type precast plate in the embodiment of the present invention;
Fig. 6 be in work progress I type precast plate and II type precast plate assembled after schematic perspective view;
Fig. 7 is the schematic perspective view of assembling composite floor after completion in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
After assembling composite floor provided by the invention is assembled by two pieces of II type precast plates 2 and some pieces of I type precast plates 1, then pour into a mould one deck after-pouring light weight aggregate concrete layer 3 in splicing seams between I type precast plate and II type precast plate upper surface and I type precast plate and II type precast plate, two pieces of I type precast plates and surrounding border conduit and form.
I type precast plate 1 wherein, comprise three successively parallel interval arrange the main girder steel of I type---the first main girder steel 1a, second main girder steel 1b and the 3rd main girder steel 1c, the secondary girder steel 4 that many parallel interval are arranged is connected with between first main girder steel 1a and the second main girder steel 1b, also the secondary girder steel 4 that many parallel interval are arranged is connected with between second main girder steel 1b and the 3rd main girder steel 1c, the main girder steel of I type is boring with time girder steel 4, middle part rectangular in cross-section, and lower end is with the steel structure body of overhanging Double-wing-plate, the arranged outside of the first main girder steel 1a has the symmetrically arranged L-type connector 7 of many groups, the outside of the 3rd main girder steel 1c is symmetrically arranged with the symmetrically arranged L-type connector 7 of many groups, the space that the main girder steel of I type and time girder steel surround is built by light weight aggregate concrete 5 after laying the reinforcing bar 8 of many right-angled intersections settings again, the main girder steel upper end face of I type of I type precast plate 1 is welded with the occlusion shear key 13 of some, see Fig. 1, 3, shown in 4,
II type precast plate 2, comprise three successively parallel interval arrange the main girder steel of II type---the 4th main girder steel 2a, 5th main girder steel 2b and the 6th main girder steel 2c, the secondary girder steel 4 that many parallel interval are arranged is connected with between 4th main girder steel 2a and the 5th main girder steel 2b, also the secondary girder steel 4 that many parallel interval are arranged is connected with between 5th main girder steel 2b and the 6th main girder steel 2c, the main girder steel of II type is boring with time girder steel 4, middle part rectangular in cross-section, and lower end is with the steel structure body of overhanging Double-wing-plate, the arranged outside of the 4th main girder steel 2a has the symmetrically arranged L-type connector 7 of many groups, the arranged outside of the 6th main girder steel 2c has overhanging beam 11, the space that the main girder steel of type III and time girder steel surround is built by light weight aggregate concrete 5 after laying the reinforcing bar 8 of many right-angled intersections settings again, aforementioned overhanging beam 11 is boring, the steel structure body of rectangular in cross-section, the main girder steel upper end face of II type of II type precast plate 2 is welded with the occlusion shear key 13 of some, shown in Fig. 2,3,5,
The side being provided with overhanging beam 11 in aforementioned II type precast plate 2 is outside, and the side arranging the symmetrically arranged L-type connector 7 of many groups is the connection side with I type precast plate 1;
Connected by many joggle beams 9 between I type precast plate 1 and II type precast plate 2, the two ends of joggle beam 9 are connected with one group of L-type connector 7 respectively, also connected by many joggle beams 9 between two groups of I type precast plates 1, aforementioned joggle beam 9 is the steel structure body of boring, middle part rectangular in cross-section, shown in Fig. 6, Fig. 7.
In the present embodiment, the main girder steel of I type is identical with the main steel beam structure of II type, and the main girder steel of I type can be identical with the rectangular aspect ratio in the middle part of time girder steel, also can not be identical.
The manufacture method of above-mentioned assembling composite floor, comprises following operation:
(1), the main girder steel of I type, the main girder steel of II type, secondary girder steel, L-type connector, reinforcing bar, joggle beam, border overhanging beam, occlusion shear key is made in factory process;
(2), the main girder steel of I type of I type precast plate and secondary girder steel is processed in factory or job site;
(3), according to real size requirement, one piece of II type precast plate is placed in side at the construction field (site), then some pieces of I type precast plates are placed successively, finally place one piece of II type precast plate at opposite side again, the side being provided with overhanging beam 11 in aforementioned II type precast plate 2 is outside, and the side arranging the symmetrically arranged L-type connector 7 of many groups is the connection side with I type precast plate 1; Connected by many joggle beams 9 between I type precast plate and II type precast plate, the two ends of joggle beam are connected with one group of L-type connector respectively by bolt, are also connected by many joggle beams 9 between two groups of I type precast plates 1;
(4), finally in the splicing seams placed between I type precast plate and II type precast plate upper surface and I type precast plate and II type precast plate, two pieces of I type precast plates and surrounding border conduit, one deck after-pouring light weight aggregate concrete layer is poured into a mould, the surface of layer of concrete needs smooth, thus forms overall assembling composite floor.
After aforementioned assembling composite floor assembles, the end of I type precast plate, to be connected and fixed by the existing structure boundary beam of bolt and scene by the main girder steel of I type, the end of II type precast plate, to be connected and fixed by the existing structure boundary beam of bolt and scene by the main girder steel of II type, the outside of II type precast plate 2 is connected with contour connection beam 12 by border overhanging beam 11, be connected and fixed by contour connection beam 12 and on-the-spot structure boundary beam again, contour connection beam 12 for cross section, middle part in " Π " type, lower end with the steel structure body of overhanging Double-wing-plate, shown in Figure 7.

Claims (7)

1. an assembling composite floor, is characterized in that: comprise
Be positioned at the II type precast plate (2) of both sides, be arranged on the some I type precast plates (1) between two pieces of II type precast plates (2), and one deck after-pouring light weight aggregate concrete layer (3) be cast in above aforementioned I type precast plate (1) and II type precast plate (2) and between splicing seams, wherein
I type precast plate (1), comprise three successively parallel interval arrange the main girder steel of I type---the first main girder steel (1a), second main girder steel (1b) and the 3rd main girder steel (1c), the secondary girder steel (4) that many parallel interval are arranged is connected with between first main girder steel (1a) and the second main girder steel (1b), also the secondary girder steel (4) that many parallel interval are arranged is connected with between second main girder steel (1b) and the 3rd main girder steel (1c), the main girder steel of I type is boring with time girder steel (4), middle part rectangular in cross-section, and lower end is with the steel structure body of overhanging Double-wing-plate, the arranged outside of the first main girder steel (1a) has the symmetrically arranged L-type connector (7) of many groups, the outside of the 3rd main girder steel (1c) is symmetrically arranged with the symmetrically arranged L-type connector (7) of many groups, the space that the main girder steel of I type and time girder steel surround is built by light weight aggregate concrete (5),
II type precast plate (2), comprise three successively parallel interval arrange the main girder steel of II type---the 4th main girder steel (2a), 5th main girder steel (2b) and the 6th main girder steel (2c), the secondary girder steel (4) that many parallel interval are arranged is connected with between 4th main girder steel (2a) and the 5th main girder steel (2b), also the secondary girder steel (4) that many parallel interval are arranged is connected with between 5th main girder steel (2b) and the 6th main girder steel (2c), the main girder steel of II type is boring with time girder steel (4), middle part rectangular in cross-section, and lower end is with the steel structure body of overhanging Double-wing-plate, the arranged outside of the 4th main girder steel (2a) has the symmetrically arranged L-type connector (7) of many groups, the arranged outside of the 6th main girder steel (2c) has overhanging beam (11), the space that the main girder steel of II type and time girder steel surround is built by light weight aggregate concrete (5), aforementioned overhanging beam (11) is boring, the steel structure body of rectangular in cross-section,
The side being provided with overhanging beam (11) in aforementioned II type precast plate (2) is outside, and the side arranging the symmetrically arranged L-type connector (7) of many groups is the connection side with I type precast plate (1).
2. assembling composite floor according to claim 1, it is characterized in that: connected by many joggle beams (9) between I type precast plate (1) and II type precast plate (2), the two ends of joggle beam (9) are connected with one group of L-type connector (7) respectively, also connected by many joggle beams (9) between two groups of I type precast plates (1), aforementioned joggle beam (9) is boring, the steel structure body of middle part rectangular in cross-section.
3. assembling composite floor according to claim 2, is characterized in that: the main girder steel of I type of I type precast plate (1) is or/and secondary girder steel upper end face is welded with the occlusion shear key (13) of some.
4. assembling composite floor according to claim 3, is characterized in that: the main girder steel of II type of II type precast plate (2) is or/and secondary girder steel upper end face is welded with the occlusion shear key (13) of some.
5. assembling composite floor according to claim 4, it is characterized in that: the space that the main girder steel of I type and time girder steel surround is built by light weight aggregate concrete (5) after laying the reinforcing bar (8) of many right-angled intersections settings again, the space that the main girder steel of II type and time girder steel surround is built by light weight aggregate concrete (5) after laying the reinforcing bar (8) of many right-angled intersections settings again.
6. a manufacture method for assembling composite floor as claimed in claim 5, is characterized in that: comprise following operation:
(1), the main girder steel of I type, the main girder steel of II type, secondary girder steel, L-type connector, reinforcing bar, joggle beam, border overhanging beam, occlusion shear key is made in factory process;
(2), the main girder steel of I type of I type precast plate and secondary girder steel is processed in factory or job site;
(3), according to real size requirement, one piece of II type precast plate is placed in side at the construction field (site), then some pieces of I type precast plates are placed successively, finally place one piece of II type precast plate at opposite side again, the side being provided with overhanging beam (11) in aforementioned II type precast plate (2) is outside, and the side arranging the symmetrically arranged L-type connector (7) of many groups is the connection side with I type precast plate (1); Connected by many joggle beams (9) between I type precast plate and II type precast plate, the two ends of joggle beam are connected with one group of L-type connector respectively by bolt, are also connected by many joggle beams (9) between two groups of I type precast plates (1);
(4), finally in the splicing seams placed between I type precast plate and II type precast plate upper surface and I type precast plate and II type precast plate, two pieces of I type precast plates and surrounding border conduit, one deck after-pouring light weight aggregate concrete layer is poured into a mould, the surface of layer of concrete needs smooth, thus forms overall assembling composite floor.
7. manufacture method according to claim 6, it is characterized in that: after aforementioned assembling composite floor assembles, the end of I type precast plate, be connected and fixed by the existing structure boundary beam of bolt and scene by the main girder steel of I type, the end of II type precast plate, be connected and fixed by the existing structure boundary beam of bolt and scene by the main girder steel of II type, the outside of II type precast plate (2) is connected with contour connection beam by border overhanging beam, be connected and fixed by contour connection beam and on-the-spot structure boundary beam again, contour connection beam is that cross section, middle part is in " Π " type, lower end is with the steel structure body of overhanging Double-wing-plate.
CN201510217878.5A 2015-04-30 2015-04-30 Assembled composite floor slab and manufacturing method thereof Active CN104895231B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106149937A (en) * 2016-08-17 2016-11-23 沈阳建筑大学 Assembly concrete beam and plate dry type method of attachment thereof
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
CN106760105A (en) * 2016-12-07 2017-05-31 北京善筑科技股份有限公司 Assembled composite floor and its installation method
CN106760115A (en) * 2017-03-06 2017-05-31 宁波大学 A kind of lightweight assembled composite floor and its construction method
CN107524255A (en) * 2017-09-10 2017-12-29 中国二十二冶集团有限公司 Assembling type steel structure girder steel laminated floor slab connection method

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Publication number Priority date Publication date Assignee Title
US5809722A (en) * 1997-02-06 1998-09-22 Keith M. Wright Girder supported reinforced concrete slab building structures with shearing connectors, and methods of constructing the building structures and connectors
US6266938B1 (en) * 2000-02-08 2001-07-31 Chyi Sheu Steel floor structure
CN201535028U (en) * 2009-05-06 2010-07-28 刘殿忠 Thin-wall steel floor slab combined with lightweight aggregate concrete
CN102261145A (en) * 2011-04-22 2011-11-30 清华大学 Integrally two-way and locally one-way steel-concrete slab composite floor system and construction method thereof
CN104481071A (en) * 2014-12-10 2015-04-01 张跃 Assembled composite floor assembly and production method thereof
CN204703350U (en) * 2015-04-30 2015-10-14 宁波大学 A kind of assembling composite floor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5809722A (en) * 1997-02-06 1998-09-22 Keith M. Wright Girder supported reinforced concrete slab building structures with shearing connectors, and methods of constructing the building structures and connectors
US6266938B1 (en) * 2000-02-08 2001-07-31 Chyi Sheu Steel floor structure
CN201535028U (en) * 2009-05-06 2010-07-28 刘殿忠 Thin-wall steel floor slab combined with lightweight aggregate concrete
CN102261145A (en) * 2011-04-22 2011-11-30 清华大学 Integrally two-way and locally one-way steel-concrete slab composite floor system and construction method thereof
CN104481071A (en) * 2014-12-10 2015-04-01 张跃 Assembled composite floor assembly and production method thereof
CN204703350U (en) * 2015-04-30 2015-10-14 宁波大学 A kind of assembling composite floor

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106149937A (en) * 2016-08-17 2016-11-23 沈阳建筑大学 Assembly concrete beam and plate dry type method of attachment thereof
CN106149937B (en) * 2016-08-17 2018-10-23 沈阳建筑大学 Assembly concrete beam and its dry type connection method
CN106760105A (en) * 2016-12-07 2017-05-31 北京善筑科技股份有限公司 Assembled composite floor and its installation method
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
CN106760115A (en) * 2017-03-06 2017-05-31 宁波大学 A kind of lightweight assembled composite floor and its construction method
CN107524255A (en) * 2017-09-10 2017-12-29 中国二十二冶集团有限公司 Assembling type steel structure girder steel laminated floor slab connection method

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