CN203475665U - Connecting structure of steel beam and composite floor slab of building - Google Patents
Connecting structure of steel beam and composite floor slab of building Download PDFInfo
- Publication number
- CN203475665U CN203475665U CN201320501661.3U CN201320501661U CN203475665U CN 203475665 U CN203475665 U CN 203475665U CN 201320501661 U CN201320501661 U CN 201320501661U CN 203475665 U CN203475665 U CN 203475665U
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- floor slab
- laminated floor
- girder steel
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- steel
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Abstract
The utility model relates to a connecting structure of a steal beam and a composite floor slab of a building, and belongs to the field of building components. The steel beam is connected with the composite floor slab. The connecting structure is characterized in that the composite floor slab is composed of a prefabricated plate and cast-in-situ concrete, prestressed steel bars and light steel ribs connected with the steel beam in one direction or double directions are embedded in the lower prefabricated plate, oblong holes are formed in the end portions of the light steel ribs, the upper surface of the prefabricated plate of the composite floor slab is uneven, notches are formed in the upper portions of the light steel ribs, and the insides of the notches are paved with upper steel bars of the composite floor slab; a connecting plate and reinforcing steel ribs connected with the composite floor slab are welded on an upper flange plate of the steel beam, the reinforcing steel bars are arranged on the upper end portion of the prefabricated plate in a paving mode, oblong holes are formed in the connecting plate, the composite floor slab is arranged on the upper flange plate of the steel beam, bolts penetrate through the oblong holes in the end portions of the light steel ribs and the oblong holes in the connecting plate welded to the upper portion of the upper flange plate of the steel beam for fixing, and the reinforcing steel bars welded on the upper flange plate of the steel beam are connected with the composite floor slab; the cast-in-situ concrete is located on the prefabricated plate to cover the light steel ribs, the upper steel bars and the reinforcing steel bars.
Description
Technical field
The utility model relates to building member field, at length says 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 engineering construction batch production to be made as in advance 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, be therefore 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, has begun to take shape the Temperature Variation In Buildings of Mixed Structures that 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, not enough, also there is being permitted many-sided problem in research and development, 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 prefabricated building structure globality, being out of shape power consumption property is shockproof important measures, particularly steel building shockproof properties is optimum, therefore need to research and develop energetically prefabricated, steel building.
Summary of the invention
The purpose of this utility model is just 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 implementation structure member is connected with Assembling; This makes, and building has good earthquake-proof function, 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 utility model 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 being 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, lays the top reinforcement of laminated floor slab in notch; On the upper flange of girder steel, be welded with the junction plate and the stiffener that are connected with laminated floor slab, on junction plate, offer slotted hole; Laminated floor slab is placed on girder steel upper flange, with bolt, through the slotted hole on the slotted hole of light reinforcing bar end and the junction plate of girder steel upper flange top welding, fix, the stiffener simultaneously welding on girder steel upper flange is connected with laminated floor slab, and the top reinforcement of laminated floor slab is connected with girder steel junction plate.
The utility model 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 precast plate upper surface is placed on laminated floor slab, realizing the prestressed reinforcement overlap joint reserving with precast plate 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 beneficial effects of the utility model are, simple in structure, steel construction piece and steel concrete combined member have good switching performance, and Prefabrication that can better implementation structure member is connected with Assembling; This makes, and building has good earthquake-proof function, 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.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model.
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
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, to help understanding content of the present utility model.
As shown in Figure 2, the utility model laminated floor slab is comprised of precast plate 21 and poured in place concrete 28 2 parts, 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, laminated floor slab top is poured in place concrete 28, concrete manufacture implemented: 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 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 periphery side form of precast plate and fix by magnetic box, after concreting, cutting prestressed reinforcement 26 and complete precast plate 21, the on-the-spot precast plate 21 of installing, improves connection after-pouring concrete and completes laminated floor slab.
2 minutes two kinds of section forms of girder steel as shown in Fig. 3,4,5, girder steel 2 need be welded with junction plate 10 and stiffener 27 by vertical beam axis direction when factory process directly over cross section upper flange 8, offers the slotted hole 23 being connected with the light reinforcing bar 22 of laminated floor slab on junction plate 10; 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, 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 being 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, lays the top reinforcement of laminated floor slab in notch; On the upper flange of girder steel, be welded with the junction plate and the stiffener that are connected with laminated floor slab, on junction plate, offer slotted hole; Laminated floor slab is placed on girder steel upper flange, with bolt, through the slotted hole on the slotted hole of light reinforcing bar end and the junction plate of girder steel upper flange top welding, fix, the stiffener simultaneously welding on girder steel upper flange is connected with laminated floor slab, and the top reinforcement of laminated floor slab is connected with 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 precast plate upper surface is placed on laminated floor slab, realizing the prestressed reinforcement overlap joint reserving with precast plate 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 |
|---|---|---|---|
| CN201320501661.3U CN203475665U (en) | 2013-08-16 | 2013-08-16 | Connecting structure of steel beam and composite floor slab of building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320501661.3U CN203475665U (en) | 2013-08-16 | 2013-08-16 | Connecting structure of steel beam and composite floor slab of building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203475665U true CN203475665U (en) | 2014-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320501661.3U Expired - Fee Related CN203475665U (en) | 2013-08-16 | 2013-08-16 | Connecting structure of steel beam and composite floor slab of building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203475665U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106592965A (en) * | 2016-12-26 | 2017-04-26 | 中建四局第六建筑工程有限公司 | Quick support system of high-rise steel structure house composite floor slab |
| 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- |
| CN109208755A (en) * | 2017-07-07 | 2019-01-15 | 青岛理工大学 | A kind of installation method of full bolt assembled steel skeleton light-duty plate |
| CN110344528A (en) * | 2019-06-20 | 2019-10-18 | 浙江大东吴建筑科技有限公司 | A kind of connecting node for reinforcing assembled floor globality |
| CN110424603A (en) * | 2019-07-18 | 2019-11-08 | 南京长江都市建筑设计股份有限公司 | A kind of two-way prefabricated superimposed sheet structure of close spelling formula |
-
2013
- 2013-08-16 CN CN201320501661.3U patent/CN203475665U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106592965A (en) * | 2016-12-26 | 2017-04-26 | 中建四局第六建筑工程有限公司 | Quick support system of high-rise steel structure house composite floor slab |
| CN109208755A (en) * | 2017-07-07 | 2019-01-15 | 青岛理工大学 | A kind of installation method of full bolt assembled steel skeleton light-duty plate |
| 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- |
| CN110344528A (en) * | 2019-06-20 | 2019-10-18 | 浙江大东吴建筑科技有限公司 | A kind of connecting node for reinforcing assembled floor globality |
| CN110344528B (en) * | 2019-06-20 | 2024-05-14 | 浙江大东吴建筑科技有限公司 | Connecting node for reinforcing integrity of assembled floor slab |
| CN110424603A (en) * | 2019-07-18 | 2019-11-08 | 南京长江都市建筑设计股份有限公司 | A kind of two-way prefabricated superimposed sheet structure of close spelling formula |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20140816 |
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| EXPY | Termination of patent right or utility model |