CN103397727A - Connection structure of building steel beam and composite floor slab - Google Patents
Connection structure of building steel beam and composite floor slab Download PDFInfo
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- CN103397727A CN103397727A CN2013103578305A CN201310357830A CN103397727A CN 103397727 A CN103397727 A CN 103397727A CN 2013103578305 A CN2013103578305 A CN 2013103578305A CN 201310357830 A CN201310357830 A CN 201310357830A CN 103397727 A CN103397727 A CN 103397727A
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- floor slab
- laminated floor
- girder steel
- composite floor
- steel
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Abstract
The invention relates to a connection structure of a building steel beam and a composite floor slab, and belongs to the field of building members. The steel beam is connected with the composite floor slab, and the connection structure is characterized in that the composite floor slab is formed by a precast slab and poured-in-place concrete; a prestressed steel bar and a light steel rib both in one-way or two-way connection with the steel beam are buried in the precast slab at the lower part of the composite floor slab; an oblong hole is processed in the end part of the light steel rib; the upper surface of the precast slab of the composite floor slab is uneven; a notch is processed in the upper part of the light steel rib; an upper layer steel bar of the composite floor slab is paved in the notch; a connecting plate connected with the composite floor slab and a reinforcing steel bar are welded on the upper wing plate of the steel beam; the reinforcing steel bar is paved at the end part of the upper side of the precast slab; the oblong hole is formed in the connecting plate; the composite floor slab is placed on the upper wing plate of the steel beam, and is fixed in a manner that a bolt penetrates through the oblong hole in the end part of the light steel rib and the oblong hole positioned in the connecting plate welded at the upper part of the upper wing plate of the steel beam; meanwhile, the reinforcing steel bar welded on the upper wing plate of the steel beam is connected with the composite floor slab; the concrete is poured in place on the precast slab to cover the light steel rib, the upper steel bar and the reinforcing steel bar.
Description
Technical field
The present invention relates to the building member field, at length say it is the syndeton of a kind of building girder steel and laminated floor slab.
Background technology
As everyone knows, in recent years, building green, energy-conservation, healthy building has become our fundamental state policy, with standardization, industry, turn to the industrialization the mode of project construction of sign, require the engineering construction batch production to be made as in advance the master, on-the-spot mechanization assembling coordinates, but concrete component prefabricated needs template system more complicated, the cost of use higher, the inconvenient operation, the globality that connect between member are poor, have influence on the development of pre-cast building, therefore be badly in need of finding a kind of technical measures that address these problems; In order to realize above-mentioned target, all parts of the country all meet the building structure technology of this target in active research at present, the Assembling link technique that comprises steel structure member prefabricating technique, reinforced concrete member prefabricating technique, concrete and steel combined member technology and these building structural elements, begun to take shape the Temperature Variation In Buildings of Mixed Structures that the different materials member forms; But because design, manufacturing technology and the on-the-spot mechanization overall package of certain structures member are with to be connected structure unreasonable, research and development not enough, many-sided problem also occurred being permitted, urgently improvement; In addition, by seismic hazard analysis in recent years, aseismatic design has had larger progress, from single seismic design, being improved to damping is combined with seismic design, and then the shatter-proof design that is improved to again to improve structure and member energy dissipation capacity, recognize that improving the prefabricated building structure globality, being out of shape the power consumption property is shockproof important measures, particularly steel building shockproof properties optimum, therefore need to research and develop prefabricated, steel building energetically.
Summary of the invention
Purpose of the present invention just is to overcome the deficiencies in the prior art, and provide the syndeton of a kind of building girder steel and laminated floor slab, steel construction piece and steel concrete combined member have good switching performance, and Prefabrication that can better the implementation structure member is connected with Assembling; This makes, and building has good earthquake-proof function, the structural element size is accurate, quality control is excellent, promote architecture quality, high life is durable, improve to greatest extent operating personnel's work situation, shorten the construction period, reduce construction costs.
The present invention adopts following technical solution: the syndeton of a kind of building girder steel and laminated floor slab, girder steel is connected with laminated floor slab, it is characterized in that, laminated floor slab is comprised of precast plate and poured in place concrete two parts, in its bottom precast plate, be embedded with unidirectional with girder steel or the two-way prestressed reinforcement that is connected and light reinforcing bar, light reinforcing bar end is processed with slotted hole; Be welded on the upper surface end that stiffener on girder steel is laid in precast plate, the precast plate upper surface of laminated floor slab is uneven, and light reinforcing bar top is processed with notch, in notch, lays the top reinforcement of laminated floor slab; On the upper flange of girder steel, be welded with the junction plate and the stiffener that with laminated floor slab, are connected, on junction plate, offer slotted hole; Laminated floor slab is placed on the girder steel upper flange, the slotted hole that passes with bolt on the junction plate of the slotted hole of light reinforcing bar end and the welding of girder steel upper flange top is fixed, the stiffener that welds on the girder steel upper flange simultaneously is connected with laminated floor slab, and the top reinforcement of laminated floor slab is connected with the girder steel junction plate.
The present invention also can be achieved by the following measures: the cross section of girder steel is I shape or amphisternous I-shaped.Girder steel and being connected of laminated floor slab are the stiffeners that the supporting girder steel from laminated floor slab welds out, be bent to the precast plate upper surface that straight tiling after the precast plate upper surface is placed on laminated floor slab, realize that the prestressed reinforcement that reserves with precast plate overlap joint is connected, laminated floor slab top reinforcement and girder steel upper junction plate are welded to connect, the precast plate top cast-in-situ concrete of laminated floor slab covers top reinforcement, light reinforcing bar, junction plate, stiffener, completes being connected of laminated floor slab and girder steel.
The invention has the beneficial effects as follows, simple in structure, steel construction piece and steel concrete combined member have good switching performance, and Prefabrication that can better the implementation structure member is connected with Assembling; This makes, and building has good earthquake-proof function, the structural element size is accurate, quality control is excellent, promote architecture quality, high life is durable, improve to greatest extent operating personnel's work situation, shorten the construction period, reduce construction costs.
The accompanying drawing explanation
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of laminated floor slab.
Fig. 3 is the vertical face schematic diagram of girder steel.
Fig. 4 is the sectional view of girder steel.
Fig. 5 is the girder steel sectional view of another structure.
2. girder steels in figure, 7. web, 8. upper flange, 9. lower wing plate, 10. junction plate, 21. precast plates, 22. light reinforcing bars, 23. slotted holes, 24. notches, 25. top reinforcementes, 26. prestressed reinforcements, 27. stiffeners, 28. poured in place concretes.
The specific embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments, to help understanding content of the present invention.
as shown in Figure 2, laminated floor slab of the present invention is comprised of precast plate 21 and poured in place concrete 28 2 parts, the laminated floor slab bottom is the prestressed concrete precast plate 21 that is prefabricated in the factory and produces, wherein be embedded with light reinforcing bar 22, slotted hole 23 is offered on light reinforcing bar 22 tops, termination, the elongated notch 24 of determining laminated floor slab top reinforcement 25 accurate locations that is furnished with in light reinforcing bar 22 tops, in precast plate 21, be provided with prestressed reinforcement 26, be welded on the upper surface end that stiffener 27 on girder steel 2 is laid in precast plate 21, precast plate 21 upper surfaces are uneven, the laminated floor slab top is poured in place concrete 28, the concrete manufacture implemented: at first on the punching block platform of shop production line, the prestressed reinforcement of laminated floor slab 26 and light reinforcing bar 22 are combined into to light steel skeleton, prestressed reinforcement of tensioning 26, it is standby that the top reinforcement 25 of laminated floor slab is processed into net, secondly on the punching block platform of production line, install the peripheral side form of precast plate and fix with magnetic box, after concreting, cutting prestressed reinforcement 26 completes precast plate 21, the on-the-spot precast plate 21 of installing, improve connection after-pouring concrete and complete laminated floor slab.
2 minutes two kinds of section forms of girder steel as shown in Fig. 3,4,5, girder steel 2 need add soldered fishplate bar 10 and stiffener 27 by the vertical beam axis direction directly over cross section upper flange 8 when factory process, on junction plate 10, offer the slotted hole 23 that is connected with the light reinforcing bar 22 of laminated floor slab; According to the stressed envelope diagram of girder steel 2, main tensile region wing plate high-strength steel, pressure area wing plate common iron, upper flange 8, lower wing plate 9 and web 7 welding.
As shown in Figure 1, girder steel 2 is connected with laminated floor slab, and light reinforcing bar 22 terminations in laminated floor slab are connected by slotted hole 23 use bolts with the junction plate 10 on girder steel 2 upper flanges 8, after bolt tightening, with foam-in-place polyurethane, bolt and slotted hole 23 is protected; It is that stiffener 27 is folded into straight after precast plate 21 upper surfaces, as to be laid in laminated floor slab precast plate 21 ends that stiffener 27 on girder steel 2 is connected with the precast plate 21 of laminated floor slab; The top reinforcement of laminated floor slab 25 and light reinforcing bar 22 spot welding are fixed, finally poured in place concrete 28 are cast in to precast plate 21 tops light reinforcing bar 22, stiffener 27, top reinforcement 25 are covered, complete laminated floor slab and with being connected of girder steel 2.
Claims (3)
1. the syndeton of a building girder steel and laminated floor slab, girder steel is connected with laminated floor slab, it is characterized in that: laminated floor slab is comprised of precast plate and poured in place concrete two parts, in its bottom precast plate, be embedded with unidirectional with girder steel or the two-way prestressed reinforcement that is connected and light reinforcing bar, light reinforcing bar end is processed with slotted hole; Be welded on the upper surface end that stiffener on girder steel is laid in precast plate, the precast plate upper surface of laminated floor slab is uneven, and light reinforcing bar top is processed with notch, in notch, lays the top reinforcement of laminated floor slab; On the upper flange of girder steel, be welded with the junction plate and the stiffener that with laminated floor slab, are connected, on junction plate, offer slotted hole; Laminated floor slab is placed on the girder steel upper flange, the slotted hole that passes with bolt on the junction plate of the slotted hole of light reinforcing bar end and the welding of girder steel upper flange top is fixed, the stiffener that welds on the girder steel upper flange simultaneously is connected with laminated floor slab, and the top reinforcement of laminated floor slab is connected with the girder steel junction plate.
2. the syndeton of building girder steel and laminated floor slab according to claim 1, the cross section that it is characterized in that said girder steel is I shape or amphisternous I-shaped.
3. the syndeton of building girder steel and laminated floor slab according to claim 1, it is characterized in that said girder steel and being connected of laminated floor slab are the stiffeners that the supporting girder steel from laminated floor slab welds out, be bent to the precast plate upper surface that straight tiling after the precast plate upper surface is placed on laminated floor slab, realize that the prestressed reinforcement that reserves with precast plate overlap joint is connected, laminated floor slab top reinforcement and girder steel upper junction plate are welded to connect, the precast plate top cast-in-situ concrete of laminated floor slab is by top reinforcement, light reinforcing bar, junction plate, stiffener covers, complete being connected of laminated floor slab and girder steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103578305A CN103397727A (en) | 2013-08-16 | 2013-08-16 | Connection structure of building steel beam and composite floor slab |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103578305A CN103397727A (en) | 2013-08-16 | 2013-08-16 | Connection structure of building steel beam and composite floor slab |
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| CN103397727A true CN103397727A (en) | 2013-11-20 |
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| CN2013103578305A Pending CN103397727A (en) | 2013-08-16 | 2013-08-16 | Connection structure of building steel beam and composite floor slab |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103790237A (en) * | 2014-02-17 | 2014-05-14 | 沈阳建筑大学 | Connecting component of prefabricated concrete composite floor slab and H-shaped steel beam |
| 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 |
| CN105525686A (en) * | 2015-11-26 | 2016-04-27 | 沈阳建筑大学 | Structure for connecting prefabricated concrete composite floor slab with H-shaped steel beam through bolts |
| CN107191746A (en) * | 2017-05-22 | 2017-09-22 | 新奥泛能网络科技股份有限公司 | The supplement method of base assembly and Equipment Foundations |
| CN108532810A (en) * | 2018-04-19 | 2018-09-14 | 沈阳建筑大学 | A kind of recycled concrete superposed composite floor of steel plate- |
| CN109868753A (en) * | 2019-04-18 | 2019-06-11 | 上海市城市建设设计研究总院（集团）有限公司 | Precast assembly pier consolidation structure and its construction method |
| CN111719754A (en) * | 2020-06-06 | 2020-09-29 | 华北水利水电大学 | Concrete precast floor splicing and connecting structure with reinforcing piece |
| CN112796451A (en) * | 2020-12-31 | 2021-05-14 | 上海建工五建集团有限公司 | Combined construction method of special-shaped steel beam structure and PC (polycarbonate) composite slab |
| CN113356428A (en) * | 2021-06-09 | 2021-09-07 | 济南市市政工程设计研究院（集团）有限责任公司 | Prestress superposed integral floor system applied to fabricated building and construction method |
-
2013
- 2013-08-16 CN CN2013103578305A patent/CN103397727A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103790237A (en) * | 2014-02-17 | 2014-05-14 | 沈阳建筑大学 | Connecting component of prefabricated concrete composite floor slab and H-shaped steel beam |
| CN103790237B (en) * | 2014-02-17 | 2016-07-06 | 沈阳建筑大学 | A kind of connecting elements of precast concrete laminated floor slab and H profile steel beam |
| 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 |
| CN105525686A (en) * | 2015-11-26 | 2016-04-27 | 沈阳建筑大学 | Structure for connecting prefabricated concrete composite floor slab with H-shaped steel beam through bolts |
| CN107191746A (en) * | 2017-05-22 | 2017-09-22 | 新奥泛能网络科技股份有限公司 | The supplement method of base assembly and Equipment Foundations |
| CN108532810A (en) * | 2018-04-19 | 2018-09-14 | 沈阳建筑大学 | A kind of recycled concrete superposed composite floor of steel plate- |
| CN109868753A (en) * | 2019-04-18 | 2019-06-11 | 上海市城市建设设计研究总院（集团）有限公司 | Precast assembly pier consolidation structure and its construction method |
| CN109868753B (en) * | 2019-04-18 | 2024-03-12 | 上海市城市建设设计研究总院（集团）有限公司 | Prefabricated assembled pier beam consolidation structure and construction method thereof |
| CN111719754A (en) * | 2020-06-06 | 2020-09-29 | 华北水利水电大学 | Concrete precast floor splicing and connecting structure with reinforcing piece |
| CN111719754B (en) * | 2020-06-06 | 2021-06-11 | 华北水利水电大学 | Concrete precast floor splicing and connecting structure with reinforcing piece |
| CN112796451A (en) * | 2020-12-31 | 2021-05-14 | 上海建工五建集团有限公司 | Combined construction method of special-shaped steel beam structure and PC (polycarbonate) composite slab |
| CN113356428A (en) * | 2021-06-09 | 2021-09-07 | 济南市市政工程设计研究院（集团）有限责任公司 | Prestress superposed integral floor system applied to fabricated building and construction method |
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Application publication date: 20131120 |