CN105064511A - Connecting structure of prestress hollow floor slab and H-shaped steel beam and construction method thereof - Google Patents
Connecting structure of prestress hollow floor slab and H-shaped steel beam and construction method thereof Download PDFInfo
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- CN105064511A CN105064511A CN201510494213.9A CN201510494213A CN105064511A CN 105064511 A CN105064511 A CN 105064511A CN 201510494213 A CN201510494213 A CN 201510494213A CN 105064511 A CN105064511 A CN 105064511A
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Abstract
The invention discloses a connecting structure of a prestress hollow floor slab and an H-shaped steel beam and a construction method thereof. According to the connecting structure, the prestress hollow floor slab is connected to a lower flange of the H-shaped steel beam or an I-shaped steel beam or a web of the H-shaped steel beam or the I-shaped steel beam. A steel plate bar with the width being larger than the width of the lower flange is welded to the lower flange of the H-shaped steel beam or the I-shaped steel beam in the axial direction of the steel beam. Pre-buried iron pieces are arranged on the bottom face of the slab end of the prestress hollow floor slab, and the bottom face of the slab end of the prestress hollow floor slab is supported on the steel plate bar. By welding the steel plate bar and the pre-buried iron pieces, the prestress hollow floor slab is fixedly connected with the H-shaped steel beam or the I-shaped steel beam. According to the connecting structure, the floor slab can be mounted more conveniently, and the integrity of the floor slab is effectively guaranteed.
Description
Technical field
The present invention relates to pre-stress floor and girder steel link technique, particularly the connecting structure of a kind of prestressed hollow slab and H profile steel beam and construction method thereof.
Background technology
Along with the quickening of national industrialization of construction industry process and the development of concrete prefabricated building technology, increasing concrete component transfers prefabrication to, to in-site installation; Prestressed hollow slab has the plurality of advantages such as span is large, intensity is high, makes its application in prefabrication more and more general.
The way that the connected mode of prestressed hollow slab and girder steel is traditional is that floor is arranged in girder steel top flange, and adopt this connecting structure mode, if girder steel exposes, then flooring unsightly; If flooring does furred ceiling process, then reduce floor clear height.
Plate process falls in prestressed hollow slab, while increase floor clear height, in turn enhances the stability of girder steel, can not consider the lateral stability problem of girder steel.At present, mainly there is two problems in the plate connected mode of falling of prestressed hollow slab and girder steel: one is, the structure way that plate falls in existing floor effectively can not ensure the globality of floor; Two are, the structure way that plate falls in existing floor makes floor install inconvenience, and installation effectiveness is low.
Summary of the invention
The object of the present invention is to provide connecting structure and the construction method thereof of a kind of prestressed hollow slab and H profile steel beam, make the installation of floor more convenient, and the globality of floor is effectively ensured.
For achieving the above object, technical scheme of the present invention is:
A connecting structure for prestressed hollow slab and H profile steel beam, wherein, described prestressed hollow slab is connected to the bottom flange of H profile steel beam or steel I-beam or the web of H profile steel beam or steel I-beam.
Further, the girder steel bottom flange of described H profile steel beam or steel I-beam is greater than the steel plate strip of flange width along the axial weldering of girder steel one width; Face, described prestressed hollow slab plate bottom arranges embedded iron parts, and prestressed hollow slab, in steel plate strip, by weldable steel lath and embedded iron parts, is fixedly connected with described H profile steel beam or steel I-beam by prestressed hollow slab plate bottom surface bearing.
Further, face, described prestressed hollow slab plate bottom arranges embedded iron parts; The tabula steel plate that a width is greater than the overhanging width in the edge of a wing is respectively welded in described H profile steel beam or steel I-beam web both sides, and equidistantly weld vertical stiffener to support tabula steel plate in tabula steel plate lower surface, by prestressed hollow slab plate bottom surface bearing on tabula steel plate, by welding tabula steel plate and embedded iron parts, prestressed hollow slab is fixedly connected on H profile steel beam or steel I-beam.
Again, the web of described H profile steel beam or steel I-beam offers some through holes in interval along its length, and reinforcing bar is arranged in this web through hole, and reinforcing bar two ends are stretched in the core bore of girder steel both sides prestressed hollow slab respectively.
In addition, the upper surface, end of described prestressed hollow slab is offered the position that correspondence runs through reinforcing bar and is offered strip groove.
The injected hole that the upper surface of the end of described prestressed hollow slab communicates with floor inner chip hole.
Preferably, described prestressed hollow slab builds overlapping layers.
Preferably, in described overlapping layers, distribution reinforcement is set.
The construction method of the connecting structure of prestressed hollow slab of the present invention and H profile steel beam, it comprises the following steps:
A) upper surface in prestressed hollow slab end opens injected hole and strip groove in advance;
B) by prestressed hollow slab hoisted in position, the both sides of H profile steel beam or steel I-beam are arranged in respectively;
C) embedded iron parts welding face, prestressed hollow slab plate bottom is connected with H profile steel beam or steel I-beam, makes prestressed hollow slab be fixed on H profile steel beam or steel I-beam;
D) in the strip groove of prestressed hollow slab end, placement runs through reinforcing bar, and penetrates in the strip groove of the prestressed hollow slab end of opposite side on H profile steel beam or steel I-beam by the through hole of H profile steel beam or steel I-beam web;
E) in the injected hole on prestressed hollow slab, inject pea gravel concreten, make it fill up the cavity of prestressed hollow slab and H profile steel beam or steel I-beam connecting portion;
F) pour into pea gravel concreten on prestressed hollow slab in strip groove, make it fill up groove internal cavity;
G) on prestressed hollow slab, arrange the top longitudinal reinforcement in overlapping layers and additional bar, carry out overlapping layers concreting.
Compared with prior art, the invention has the advantages that:
1, fall plate process, add floor clear height.
2, fall plate process, enhance the stability of girder steel, the lateral stability problem of girder steel can not be considered.
3, steel beam web plate runs through the prestressed hollow slab of bar connecting both sides and does injecting treatment, enhances the globality of floor.
4, reinforcing bar is run through for resisting the horizontal shear along beam axis direction.
5, the flooring in the region such as washroom, balcony does and falls plate process, and all the other region floorings do not fall plate, the discrepancy in elevation after utilizing flooring to fall plate, falling plate region layout pipeline, achieves the theory of co-layer draining.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention one.
Fig. 2 is the structural representation of girder steel in the embodiment of the present invention one.
Fig. 3 is the structural representation of the embodiment of the present invention two.
The structural representation of girder steel when Fig. 4 is the structural representation web of girder steel in the embodiment of the present invention two.
Fig. 5 is the top view of prestressed hollow slab in the embodiment of the present invention.
Detailed description of the invention
See Fig. 1, Fig. 2, the connecting structure of a kind of prestressed hollow slab of the present invention and H profile steel beam, described prestressed hollow slab 1 is connected to the bottom flange 21 of H profile steel beam or steel I-beam 2 or the web 22 of H profile steel beam or steel I-beam.
Further, the girder steel bottom flange 21 of described H profile steel beam or steel I-beam 2 is greater than the steel plate strip 3 of flange width along the axial weldering of girder steel one width; Face, described prestressed hollow slab 1 plate bottom arranges embedded iron parts 4, and prestressed hollow slab 1, in steel plate strip 3, by weldable steel lath 3 and embedded iron parts 4, is fixedly connected with described H profile steel beam or steel I-beam 2 by prestressed hollow slab 1 plate bottom surface bearing.
See Fig. 3, Fig. 4, face, described prestressed hollow slab 1 plate bottom arranges embedded iron parts 4; The tabula steel plate 5 that a width is greater than the overhanging width in the edge of a wing is respectively welded in described H profile steel beam or steel I-beam 2 web 22 both sides, and equidistantly weld vertical stiffener 6 to support tabula steel plate 5 in tabula steel plate 5 lower surface, by prestressed hollow slab 1 plate bottom surface bearing on tabula steel plate 5, with embedded iron parts 4, prestressed hollow slab 1 is fixedly connected on H profile steel beam or steel I-beam 2 by welding tabula steel plate 5.
Again, the web 22 of described H profile steel beam or steel I-beam 2 offers some through holes 221 in interval along its length, and reinforcing bar 7 is arranged in this web through hole 221, and reinforcing bar 7 two ends are stretched in the core bore 11 of girder steel 2 both sides prestressed hollow slab 1,1 ' respectively.
In addition, strip groove 12 is offered at the corresponding position running through reinforcing bar 7, the upper surface, end of described prestressed hollow slab 1.
Participate in Fig. 5, the upper surface of the end of described prestressed hollow slab 1 offers the injected hole 13 communicated with floor inner chip hole 11, from injected hole 13 slip casting, makes it fill up cavity within the scope of H profile steel beam between the floor of both sides or steel I-beam.
Preferably, described prestressed hollow slab 1 builds overlapping layers 8.
Preferably, in described overlapping layers 8, distribution reinforcement 9 is set.
The construction method of the connecting structure of prestressed hollow slab of the present invention and H profile steel beam, it comprises the following steps:
A) upper surface in prestressed hollow slab end opens injected hole and strip groove in advance;
B) by prestressed hollow slab hoisted in position, the both sides of H profile steel beam or steel I-beam are arranged in respectively;
C) embedded iron parts welding face, prestressed hollow slab plate bottom is connected with H profile steel beam or steel I-beam, makes prestressed hollow slab be fixed on H profile steel beam or steel I-beam;
D) in the strip groove of prestressed hollow slab end, placement runs through reinforcing bar, and penetrates in the strip groove of the prestressed hollow slab end of opposite side on H profile steel beam or steel I-beam by the through hole of H profile steel beam or steel I-beam web;
E) in the injected hole on prestressed hollow slab, inject pea gravel concreten, make it fill up the cavity of prestressed hollow slab and H profile steel beam or steel I-beam connecting portion;
F) pour into pea gravel concreten on prestressed hollow slab in strip groove, make it fill up groove internal cavity;
G) on prestressed hollow slab, arrange the top longitudinal reinforcement in overlapping layers and additional bar, carry out overlapping layers concreting.
Claims (9)
1. a connecting structure for prestressed hollow slab and H profile steel beam, is characterized in that, described prestressed hollow slab is connected to the bottom flange of H profile steel beam or steel I-beam or the web of H profile steel beam or steel I-beam.
2. the connecting structure of prestressed hollow slab as claimed in claim 1 and H profile steel beam, is characterized in that, the girder steel bottom flange of described H profile steel beam or steel I-beam is greater than the steel plate strip of flange width along the axial weldering of girder steel one width; Face, described prestressed hollow slab plate bottom arranges embedded iron parts, and prestressed hollow slab, in steel plate strip, by weldable steel lath and embedded iron parts, is fixedly connected with described H profile steel beam or steel I-beam by prestressed hollow slab plate bottom surface bearing.
3. the connecting structure of prestressed hollow slab as claimed in claim 1 and H profile steel beam, it is characterized in that, face, described prestressed hollow slab plate bottom arranges embedded iron parts; The tabula steel plate that a width is greater than the overhanging width in the edge of a wing is respectively welded in described H profile steel beam or steel I-beam web both sides, and equidistantly weld vertical stiffener to support tabula steel plate in tabula steel plate lower surface, by prestressed hollow slab plate bottom surface bearing on tabula steel plate, by welding tabula steel plate and embedded iron parts, prestressed hollow slab is fixedly connected on H profile steel beam or steel I-beam.
4. the prestressed hollow slab as described in claim 1 or 2 or 3 and the connecting structure of H profile steel beam, it is characterized in that, the web of described H profile steel beam or steel I-beam offers some through holes in interval along its length, reinforcing bar is arranged in this web through hole, and reinforcing bar two ends are stretched in the core bore of girder steel both sides prestressed hollow slab respectively.
5. the connecting structure of prestressed hollow slab as claimed in claim 4 and H profile steel beam, is characterized in that, strip groove is offered at the corresponding position running through reinforcing bar, upper surface, end of described prestressed hollow slab.
6. the connecting structure of prestressed hollow slab as claimed in claim 1 or 2 or 3 or 4 and H profile steel beam, it is characterized in that, the upper surface of the end of described prestressed hollow slab offers the injected hole communicated with floor inner chip hole.
7. the prestressed hollow slab as described in claim 1 or 2 or 3 or 4 or 6 and the connecting structure of H profile steel beam, is characterized in that, described prestressed hollow slab builds overlapping layers.
8. the connecting structure of prestressed hollow slab as claimed in claim 7 and H profile steel beam, is characterized in that, arrange distribution reinforcement in described overlapping layers.
9. the construction method of the connecting structure of prestressed hollow slab as claimed in claim 1 and H profile steel beam, is characterized in that, comprise the following steps:
A) upper surface in prestressed hollow slab end opens injected hole and strip groove in advance;
B) by prestressed hollow slab hoisted in position, the both sides of H profile steel beam or steel I-beam are arranged in respectively;
C) embedded iron parts welding face, prestressed hollow slab plate bottom is connected with H profile steel beam or steel I-beam, makes prestressed hollow slab be fixed on H profile steel beam or steel I-beam;
D) in the strip groove of prestressed hollow slab end, placement runs through reinforcing bar, and penetrates in the strip groove of the prestressed hollow slab end of opposite side on H profile steel beam or steel I-beam by the through hole of H profile steel beam or steel I-beam web;
E) in the injected hole on prestressed hollow slab, inject pea gravel concreten, make it fill up the cavity of prestressed hollow slab and H profile steel beam or steel I-beam connecting portion;
F) pour into pea gravel concreten on prestressed hollow slab in strip groove, make it fill up groove internal cavity;
G) on prestressed hollow slab, arrange the top longitudinal reinforcement in overlapping layers and additional bar, carry out overlapping layers concreting.
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CN201510494213.9A CN105064511A (en) | 2015-08-12 | 2015-08-12 | Connecting structure of prestress hollow floor slab and H-shaped steel beam and construction method thereof |
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CN105625735A (en) * | 2016-02-23 | 2016-06-01 | 成都科创佳思科技有限公司 | Construction auxiliary beam |
CN105863058A (en) * | 2016-06-02 | 2016-08-17 | 河南大学 | Assembling type column-beam structure of antique building and preparation and splicing method of assembling type column-beam structure |
CN106088432A (en) * | 2016-08-10 | 2016-11-09 | 山东鲁帆集团有限公司 | Floor splicing construction and building template |
CN106522441A (en) * | 2016-10-26 | 2017-03-22 | 中国二十二冶集团有限公司 | Connecting method of prefabricated composite multi-ribbed floor slabs and steel beams of assembly type steel structure house |
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CN114809408A (en) * | 2022-04-20 | 2022-07-29 | 中国建筑第八工程局有限公司 | Embedded steel-concrete composite beam and construction method thereof |
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CN104532997A (en) * | 2014-12-26 | 2015-04-22 | 宝钢建筑系统集成有限公司 | Assembly type floor system and construction method thereof |
CN205024843U (en) * | 2015-08-12 | 2016-02-10 | 浙江绿筑建筑系统集成有限公司 | Joint construction of prestressing force hollow floor and H shaped steel roof beam |
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CN105863058A (en) * | 2016-06-02 | 2016-08-17 | 河南大学 | Assembling type column-beam structure of antique building and preparation and splicing method of assembling type column-beam structure |
CN106088432A (en) * | 2016-08-10 | 2016-11-09 | 山东鲁帆集团有限公司 | Floor splicing construction and building template |
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CN106522441A (en) * | 2016-10-26 | 2017-03-22 | 中国二十二冶集团有限公司 | Connecting method of prefabricated composite multi-ribbed floor slabs and steel beams of assembly type steel structure house |
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CN108005235A (en) * | 2017-12-19 | 2018-05-08 | 浙江绿筑集成科技有限公司 | A kind of connection method of two Span Continuous formula floor |
CN114809408A (en) * | 2022-04-20 | 2022-07-29 | 中国建筑第八工程局有限公司 | Embedded steel-concrete composite beam and construction method thereof |
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