CN204225277U - The prefabricated floor connector of steel building - Google Patents

The prefabricated floor connector of steel building Download PDF

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Publication number
CN204225277U
CN204225277U CN201420701569.6U CN201420701569U CN204225277U CN 204225277 U CN204225277 U CN 204225277U CN 201420701569 U CN201420701569 U CN 201420701569U CN 204225277 U CN204225277 U CN 204225277U
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China
Prior art keywords
steel
bar
floor slab
precast floor
reinforcing bar
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CN201420701569.6U
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Chinese (zh)
Inventor
郑培壮
杨向东
程龙
郝书明
崔铭
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DAYUAN JIANYE GROUP Co Ltd
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DAYUAN JIANYE GROUP Co Ltd
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Priority to CN201420701569.6U priority Critical patent/CN204225277U/en
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Abstract

The prefabricated floor connector of a kind of steel building, the exposed steel bar end at described precast floor slab two ends is the reinforcing bar pier nose adding backing plate, or the exposed steel bar end of precast floor slab one end is the reinforcing bar pier nose adding backing plate, and the exposed steel bar end of the other end is provided with compression sleeve; Steel I-beam is vertically welded with a bar steel plate along end face is elongated, and bar steel plate has reinforcing bar locating slot at length direction interval; On each steel I-beam, the precast floor slab of bar steel plate both sides staggers placement, and the exposed steel bar of bar steel plate both sides precast floor slab is interlaced to be placed in reinforcing bar locating slot, and adds the reinforcing bar pier nose of backing plate or compression sleeve and bar steel plate by end and fix.The utility model is installed very convenient, can greatly reduce working procedure, saves the anchoring time of precast floor slab and girder steel, the anchoring strength of floor can be made to significantly improve.The utility model can be widely used in the connection in assembling type steel structure building between precast floor slab and girder steel.

Description

The prefabricated floor connector of steel building
Technical field
The utility model relates to assembling type steel structure building field, is specifically related to the connector of a kind of precast floor slab and girder steel.
Background technology
Present stage, steel structure technique floor mainly adopted cast-in-place concrete structure, floor is cast-in-place need steel girder erection to complete after, then install template, assembling reinforcement, concreting, reach after some strength until concrete, can next process construction be carried out, greatly reduce Steel Structure Installation speed.
Existing assembled steel reinforced concrete precast floor after factory in advance machine-shaping, can be transported to building-site and installs, and precast floor slab can reduction of erection time greatly, reduces construction costs.Precast floor slab and steel work anchoring property affect one of principal element that precast floor slab promotes the use of on steel building.The connected mode of existing precast floor slab and girder steel is complicated, and speed of application is slow, and the technical problem that anchoring strength is not high, can not embody the advantage that steel building speed of application is fast.
Utility model content
The utility model provides a kind of steel building prefabricated floor connector, solve the technical problem that existing prefabricated floor and girder steel connected mode are complicated, anchoring property is poor.
The utility model solves the technical scheme that its technical problem adopts:
The prefabricated floor connector of this steel building, described precast floor slab is placed on steel I-beam, is intervally distributed with two rows longitudinal reinforcement in precast floor slab, and longitudinal reinforcement two ends pass precast floor slab both ends of the surface and form exposed steel bar;
The exposed steel bar end at described precast floor slab two ends is the reinforcing bar pier nose adding backing plate, or the exposed steel bar end of precast floor slab one end is the reinforcing bar pier nose adding backing plate, and the exposed steel bar end of the other end is provided with compression sleeve;
Described steel I-beam is vertically welded with a bar steel plate along end face is elongated, and bar steel plate has reinforcing bar locating slot at length direction interval, and reinforcing bar locating slot spacing is the half of longitudinal reinforcement level interval in precast floor slab;
Described precast floor slab two ends are placed on adjacent steel I-beam respectively, on each steel I-beam, the precast floor slab of bar steel plate both sides staggers placement, the distance that staggers is the half of longitudinal reinforcement level interval in precast floor slab, the exposed steel bar of bar steel plate both sides precast floor slab is interlaced to be placed in reinforcing bar locating slot, and adds the reinforcing bar pier nose of backing plate or compression sleeve and bar steel plate by end and fix;
Self-compacting concrete is filled with in space, plate termination between described bar steel plate and its both sides precast floor slab.
Described reinforcing bar locating slot upper opening is toroidal, and the bottom width of reinforcing bar locating slot is longitudinal reinforcement diameter d+2mm.
Described reinforcing bar locating slot bottom land height equals the protective layer thickness of lower row's longitudinal reinforcement in precast floor slab.
Described precast floor slab width is 0.6 ~ 1.0m, and thickness is 90 ~ 130mm.
The lap length of described precast floor slab and steel I-beam is 30 ~ 40mm.
Described steel I-beam and bar steel plate adopt two-sided full weldering.
The beneficial effects of the utility model are as follows:
The utility model, when plant produced precast floor slab, exposes the reinforcing bar of certain length, and processes the reinforcing bar pier nose of anchoring in end at every block precast floor slab two ends, or installs compression sleeve.Weldable steel lath on steel I-beam also offers reinforcing bar locating slot, and reinforcing bar locating slot upper opening adopts toroidal, and the location being convenient to its exposed steel bar during precast floor slab lifting enters groove.After steel girder erection completes, precast floor slab mutually staggers and is placed on girder steel, and is directly placed on by exposed steel bar in steel plate fluting, completes the anchoring with steel plate by reinforcing bar pier nose and sleeve.
Can machine when the reinforcing bar pier nose of the utility model Bar Anchorage and compression sleeve are prefabricated in the factory, after steel I-beam Site Welding bar steel plate, precast floor slab lifting puts in place, can directly and bar steel plate be fixed, without the need to installing other anchoring pieces or connecting reinforcement, install very convenient, can working procedure be greatly reduced, save the anchoring time of precast floor slab and girder steel.In addition, adopt adjacent two pieces of precast floor slab exposed steel bar levels to the mode of staggered anchoring, the anchoring strength of floor can be made to significantly improve.
The utility model can be widely used in the connection in assembling type steel structure building between precast floor slab and girder steel.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the positive facade structural representation of the utility model.
Fig. 2 is the enlarged drawing at A place in Fig. 1.
Fig. 3 is the utility model plane structure schematic diagram.
Fig. 4 is the structural representation of I-I section in Fig. 3.
Fig. 5 is the positive facade structural representation in another connected node place of the utility model.
Fig. 6 is the enlarged drawing at B place in Fig. 5.
Fig. 7 is the plane structure schematic diagram at another connected node place of the utility model.
Fig. 8 is the structural representation of I-I section in Fig. 7.
Reference numeral: 1-precast floor slab, 2-longitudinal reinforcement, 3-steel I-beam, 4-bar steel plate, 4.1-reinforcing bar locating slot, 5-reinforcing bar pier nose, 6-backing plate, 7-compression sleeve, 8-self-compacting concrete.
Detailed description of the invention
Embodiment is see shown in Fig. 1 ~ 8, the prefabricated floor connector of this steel building, described precast floor slab 1 is placed on steel I-beam 4, is intervally distributed with two rows longitudinal reinforcement 2 in precast floor slab 1, and longitudinal reinforcement 2 two ends pass precast floor slab 1 both ends of the surface and form exposed steel bar.Described precast floor slab 1 width can be 0.6 ~ 1.0m, and thickness is 90 ~ 130mm.
The exposed steel bar end at described precast floor slab 1 two ends is the reinforcing bar pier nose 5 adding backing plate 6, or the exposed steel bar end of precast floor slab 1 one end is the reinforcing bar pier nose 5 adding backing plate 6, and the exposed steel bar end of the other end is provided with compression sleeve 7.
Described steel I-beam 3 is vertically welded with a bar steel plate 4 along end face is elongated, and adopt two-sided full weldering, bar steel plate 4 thickness can be 10mm.Bar steel plate 4 has reinforcing bar locating slot 4.1 at length direction interval, and described reinforcing bar locating slot 4.1 upper opening is toroidal, and the bottom width of reinforcing bar locating slot 4.1 is longitudinal reinforcement 2 diameter d+2mm.Reinforcing bar locating slot 4.1 spacing is the half of longitudinal reinforcement 2 level interval in precast floor slab, and reinforcing bar locating slot 4.1 bottom land height equals the protective layer thickness of lower row's longitudinal reinforcement in precast floor slab.
Described precast floor slab 1 two ends are placed on adjacent steel I-beam 3 respectively, and the length of overlap joint is 30 ~ 40mm.On each steel I-beam 3, the precast floor slab 1 of bar steel plate 4 both sides staggers placement, the distance that staggers is the half of longitudinal reinforcement 2 level interval in precast floor slab, the exposed steel bar of bar steel plate 4 both sides precast floor slab 1 is interlaced to be placed in reinforcing bar locating slot 4.1, and adds the reinforcing bar pier nose 5 of backing plate 6 by end or compression sleeve 7 is fixed with bar steel plate 4.
Self-compacting concrete 8 is filled with in space, plate termination between described bar steel plate 4 and its both sides precast floor slab 1.
Shown in Fig. 1 ~ 4, the exposed steel bar of adjacent two precast floor slabs is by the reinforcing bar pier nose 5 and bar steel plate 4 anchoring that add backing plate 6.
Shown in Fig. 5 ~ 8, the exposed steel bar of side precast floor slab is by the reinforcing bar pier nose 5 and bar steel plate 4 anchoring that add backing plate 6, and the exposed steel bar of opposite side precast floor slab is by compression sleeve 7 and bar steel plate anchoring.
The mounting method of the prefabricated floor connector of this steel building, installation steps are as follows:
Step one, adopt factorial praluction precast floor slab 1, reinforcing bar pier nose 5 is all processed in the exposed steel bar end at precast floor slab 1 two ends and adds backing plate 6, or reinforcing bar pier nose 5 is processed in the exposed steel bar end of precast floor slab 1 one end and adds backing plate 6, compression sleeve 7 is installed in the exposed steel bar end of the other end;
Step 2, at steel I-beam 3 along the elongated steel plate 4 of end face elongated vertical welding bar shaped, bar steel plate 4 offers reinforcing bar locating slot 4.1 at length direction interval;
Step 3, four suspension centres installed by precast floor slab 1, after steel I-beam 3 installation, by suspension centre loop wheel machine, precast floor slab is sling, be placed on steel I-beam, the precast floor slab 1 of bar steel plate 4 both sides on each steel I-beam to be staggered placement, the exposed steel bar of bar steel plate 4 both sides precast floor slab 1 is interlaced to be placed in reinforcing bar locating slot 4.1, and add the reinforcing bar pier nose 5 of backing plate 6 by end or compression sleeve 7 is fixed with bar steel plate 4, when exposed steel bar end is provided with compression sleeve 7, with pressure clamp by rear for compression sleeve extruding and Bar Anchorage;
Step 4, fills self-compacting concrete 8 in the space, plate termination between bar steel plate 4 and its both sides precast floor slab 1, completes sealing off and covering anchorage.

Claims (6)

1. the prefabricated floor connector of steel building, described precast floor slab (1) is placed on steel I-beam (4), two rows longitudinal reinforcement (2) is intervally distributed with in precast floor slab (1), longitudinal reinforcement (2) two ends pass precast floor slab (1) both ends of the surface and form exposed steel bar, it is characterized in that:
The exposed steel bar end at described precast floor slab (1) two ends is the reinforcing bar pier nose (5) adding backing plate (6), or the exposed steel bar end of precast floor slab (1) one end is for adding the reinforcing bar pier nose (5) of backing plate (6), and the exposed steel bar end of the other end is provided with compression sleeve (7);
Described steel I-beam (3) is vertically welded with a bar steel plate (4) along end face is elongated, bar steel plate (4) has reinforcing bar locating slot (4.1) at length direction interval, and reinforcing bar locating slot (4.1) spacing is the half of longitudinal reinforcement (2) level interval in precast floor slab;
Described precast floor slab (1) two ends are placed on adjacent steel I-beam (3) respectively, the precast floor slab (1) of upper bar steel plate (4) both sides of each steel I-beam (3) staggers placement, the distance that staggers is the half of longitudinal reinforcement (2) level interval in precast floor slab, the exposed steel bar of bar steel plate (4) both sides precast floor slab (1) is interlaced to be placed in reinforcing bar locating slot (4.1), and adds the reinforcing bar pier nose (5) of backing plate (6) by end or compression sleeve (7) is fixed with bar steel plate (4);
Self-compacting concrete (8) is filled with in space, plate termination between described bar steel plate (4) and its both sides precast floor slab (1).
2. the prefabricated floor connector of steel building according to claim 1, is characterized in that: described reinforcing bar locating slot (4.1) upper opening is toroidal, and the bottom width of reinforcing bar locating slot (4.1) is longitudinal reinforcement (2) diameter d+2mm; The slot bottom width of reinforcing bar locating slot (4.1) is longitudinal reinforcement (2) diameter d+2mm.
3. the prefabricated floor connector of steel building according to claim 1, is characterized in that: described reinforcing bar locating slot bottom land height equals the protective layer thickness of lower row's longitudinal reinforcement in precast floor slab.
4. the prefabricated floor connector of steel building according to claim 1, it is characterized in that: described precast floor slab (1) width is 0.6 ~ 1.0m, thickness is 90 ~ 130mm.
5. the prefabricated floor connector of steel building according to claim 1, is characterized in that: described precast floor slab (1) is 30 ~ 40mm with the lap length of steel I-beam (3).
6. the prefabricated floor connector of steel building according to claim 1, is characterized in that: described steel I-beam (3) and bar steel plate (4) adopt two-sided full weldering.
CN201420701569.6U 2014-11-21 2014-11-21 The prefabricated floor connector of steel building Active CN204225277U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104405041A (en) * 2014-11-21 2015-03-11 大元建业集团股份有限公司 Assembly type prefabricated floor slab connecting piece for steel structure building and mounting method thereof
CN106401036A (en) * 2016-11-16 2017-02-15 浙江工业大学工程设计集团有限公司 Assembled type steel framework prefabricated concrete floor slab structure
CN106545115A (en) * 2016-11-25 2017-03-29 石家庄铁道大学 Assembled steel Combined concrete superstructure and its construction method
CN108018975A (en) * 2017-11-29 2018-05-11 深圳雅鑫建筑钢结构工程有限公司 Anchor connector and precast floor slab assembling structure system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104405041A (en) * 2014-11-21 2015-03-11 大元建业集团股份有限公司 Assembly type prefabricated floor slab connecting piece for steel structure building and mounting method thereof
CN106401036A (en) * 2016-11-16 2017-02-15 浙江工业大学工程设计集团有限公司 Assembled type steel framework prefabricated concrete floor slab structure
CN106401036B (en) * 2016-11-16 2018-10-23 浙江工业大学工程设计集团有限公司 A kind of assembled steel frame prefabricated concrete floor structure
CN106545115A (en) * 2016-11-25 2017-03-29 石家庄铁道大学 Assembled steel Combined concrete superstructure and its construction method
CN108018975A (en) * 2017-11-29 2018-05-11 深圳雅鑫建筑钢结构工程有限公司 Anchor connector and precast floor slab assembling structure system

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