CN216340452U - Novel shear connector of steel-concrete composite beam - Google Patents
Novel shear connector of steel-concrete composite beam Download PDFInfo
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- CN216340452U CN216340452U CN202122942394.0U CN202122942394U CN216340452U CN 216340452 U CN216340452 U CN 216340452U CN 202122942394 U CN202122942394 U CN 202122942394U CN 216340452 U CN216340452 U CN 216340452U
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Abstract
The utility model provides a novel shear connector of a steel-concrete composite beam, which comprises: horizontal apron, vertical trompil board and horizontal baffle, wherein, vertical trompil board is provided with the through-hole of a plurality of horizontal arrangement, its one end vertical fixation in girder steel top flange, and the other end be suitable for with the lower fixed surface of horizontal apron is connected, horizontal baffle vertical fixation in horizontal apron and vertical trompil board, and will the through-hole is separated. By the utility model, the shear strength and the vertical lifting resistance of the shear connector of the steel-concrete composite beam are improved, and the fatigue resistance is better.
Description
Technical Field
The utility model relates to the technical field of building structures, in particular to a novel shear connector of a steel-concrete composite beam.
Background
The steel-concrete composite beam is widely applied to practical engineering due to the characteristics of small section height, light dead weight, good ductility, higher bearing capacity, large rigidity and the like, and is often used as a transverse bearing member. The steel-concrete composite beam combines the concrete wing plate and the steel beam together to bear bending moment through the shear connector, and the shear connector mainly plays a role in longitudinal shear and vertical lifting resistance between the steel beam and the concrete wing plate and is a vital component in the composite beam. Therefore, the shear connector applied in engineering has to have higher shear strength and stronger anti-pulling capacity, so that the composite beam can fully exert the advantages of high concrete compressive strength and good tensile property of steel. However, the existing shear connector is mainly a stud, which has the problems of weak pulling resistance and insufficient shear strength, and has poor lifting resistance, thus having great influence on the service life of the engineering building.
It is noted that the information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to a novel shear connector for a steel-concrete composite girder, which solves the above problems.
The utility model adopts the following scheme: a novel shear connector of a steel-concrete composite beam, comprising: horizontal cover plate, vertical perforated plate and transverse partition plate, in which,
the vertical perforated plate is provided with a plurality of through holes which are horizontally arranged, one end of the vertical perforated plate is suitable for being vertically fixed on the upper flange of the steel beam, and the other end of the vertical perforated plate is fixedly connected with the lower surface of the horizontal cover plate;
the transverse partition plate is vertically fixed on the horizontal cover plate and the vertical perforated plate and separates the adjacent through holes.
Further, the vertical perforated plate is fixed between the horizontal cover plate and the steel beam upper flange in a welding mode.
Further, the transverse partition plate is fixed to the horizontal cover plate and the vertical perforated plate in a welding mode.
Furthermore, the two side surfaces of the vertical partition plate are provided with the transverse partition plates.
Further, a steel bar is inserted into each through hole.
Furthermore, reinforcing steel bars are arranged in the through holes which are horizontally arranged at intervals.
Further, the outer side of the transverse partition plate is flush with the outer side of the horizontal cover plate.
Further, horizontal apron, vertical trompil board and horizontal baffle all adopt steel material.
By adopting the technical scheme, the utility model can obtain the following technical effects: through setting up vertical trompil board and horizontal separators, form the concrete tenon, but the transmission shear force to improve vertical shear resistance, simultaneously the existence of horizontal apron has restrained the trend of concrete pterygoid lamina and the vertical separation of girder steel, makes the connecting piece have higher shear strength simultaneously, also has stronger ability of resisting vertical lift.
Further features of the present invention will become apparent from the following description of exemplary embodiments (with reference to the attached drawings).
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a novel shear connector for a steel-concrete composite girder according to an embodiment of the present invention.
Fig. 2 is a front view illustrating a novel shear connector of a steel-concrete composite girder according to an embodiment of the present invention.
Fig. 3 is a left side view of a novel shear connector for a steel-concrete composite girder according to an embodiment of the present invention.
Fig. 4 is a plan view illustrating a novel shear connector of a steel-concrete composite girder according to an embodiment of the present invention.
Fig. 5 is a structural view illustrating a novel shear connector for a steel-concrete composite girder according to another embodiment of the present invention.
Fig. 6 is a structural view illustrating a novel shear connector for a steel-concrete composite girder according to another embodiment of the present invention.
Icon: horizontal apron 1, vertical trompil board 2, transverse partition plate 3, girder steel top flange 4, reinforcing bar 5.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
Referring to fig. 1 to 4, the present embodiment provides a novel shear connector for a steel-concrete composite girder, including: a horizontal cover plate 1, a vertical perforated plate 2 and a transverse clapboard 3, wherein,
the vertical perforated plate 2 is provided with a plurality of through holes which are horizontally arranged, one end of the vertical perforated plate is vertically fixed on the upper flange 4 of the steel beam, the other end of the vertical perforated plate is suitable for being fixedly connected with the lower surface of the horizontal cover plate 1,
the transverse partition plate 3 is vertically fixed on the horizontal cover plate 1 and the vertical perforated plate 2 and separates the adjacent through holes.
In this embodiment, the horizontal cover plate 1 may be made of steel, and is square. The vertical perforated plate 2 can also be made of steel, the length of the vertical perforated plate is the same as that of the horizontal cover plate 1, and the upper surface and the lower surface of the vertical perforated plate are fixed between the horizontal cover plate 1 and a steel beam upper flange 4 in a welding mode; the layout of the vertical perforated plate 2 is provided with a plurality of through holes which are horizontally arranged and have the same size, and the sizes of the through holes can be set according to actual conditions; and a certain interval is arranged between every two through holes, and the interval distance between every two adjacent through holes is the same. In particular, four through holes may be provided here, and uniformly arranged on the vertical apertured plate 2.
The transverse line partition plate 3 can be made of steel and is rectangular, two adjacent edges of the transverse line partition plate are respectively and vertically fixed on the horizontal cover plate 1 and the vertical perforated plate 2 and are arranged at the interval position of two adjacent through holes to separate the two adjacent through holes; every adjacent two be provided with one between the through-hole horizontal partition plate 3, just horizontal partition plate 3 set up in on the both sides face of vertical trompil board 2, and be used for separating same on the both sides face two of through-hole horizontal partition plate 3 is the same and be in the coplanar. In particular, in the present embodiment, three of said transverse partitions 3 are provided on each side. The transverse partition plate 3 is fixed on the horizontal cover plate 1 and the vertical perforated plate 2 in a welding mode. The outer side of the transverse partition plate 3 is flush with the outer side of the horizontal cover plate 1, so that concrete pouring and vibration are facilitated, and the thicknesses of the steel plates are the same.
During construction, the lower surface of the vertical perforated plate 2 is welded on the steel beam upper flange 4, and simultaneously the lower surface of the horizontal cover plate 1 is welded with the upper surface of the vertical perforated plate 2, and then the left transverse partition plate and the right transverse partition plate 3 are welded with the vertical perforated plate 2 and the horizontal cover plate 1. After the concrete is poured, the concrete penetrates through the vertical perforated plate 2 to form a series of concrete tenons, and the concrete tenons can be used for transferring shearing force. The existence of the transverse partition plate 3 and the formed concrete tenon ensure that the shear strength of the connecting piece is higher; meanwhile, the horizontal cover plate 1 welded on the vertical perforated plate 2 enables the vertical anti-pulling capacity of the connector to be superior to that of a perforated steel plate shear connector without a flange plate.
In another preferred embodiment, as shown in fig. 5 and 6, the through holes are inserted with steel bars 5, the steel bars 5 can be inserted into each through hole or inserted into the through holes at intervals, and the steel bars 5 can be inserted into the through holes at intervals of one through hole or two through holes at intervals, so as to enhance the longitudinal shear resistance. In this embodiment, the reinforcing bars 5 may be directly inserted into the through holes before the concrete is poured, or may be fixed to the through holes by welding.
By adopting the technical scheme, the utility model can obtain the following technical effects: through setting up vertical trompil board 2 and transverse partition 3, form the concrete tenon, but the transmission shear force to improve the ability of shearing, simultaneously the existence of horizontal apron 1 has restrained the trend of concrete pterygoid lamina and the vertical separation of girder steel, makes the connecting piece when having higher shear strength, also has stronger ability of resisting vertical lift. The shear connector only uses steel plates, all parts are only required to be welded, the construction process is simple, and the existence of the vertical perforated plate 2 enables the connector to have high fatigue resistance.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention.
Claims (8)
1. A novel shear connector of a steel-concrete composite beam, comprising: horizontal cover plate, vertical perforated plate and transverse partition plate, in which,
the vertical perforated plate is provided with a plurality of through holes which are horizontally arranged, one end of the vertical perforated plate is suitable for being vertically fixed on the upper flange of the steel beam, and the other end of the vertical perforated plate is fixedly connected with the lower surface of the horizontal cover plate;
the transverse partition plate is vertically fixed on the horizontal cover plate and the vertical perforated plate and separates the adjacent through holes.
2. The novel shear connector of a steel-concrete composite beam according to claim 1, wherein the vertical perforated plate is fixed between the horizontal cover plate and the steel beam upper flange by welding.
3. The novel shear connector of a steel-concrete composite beam according to claim 1, wherein the transverse partition plate is fixed to the horizontal cover plate and the vertical perforated plate by welding.
4. The novel shear connector of a steel-concrete composite beam according to claim 1, wherein the transverse partition plates are provided on both side surfaces of the vertical perforated plate.
5. The novel shear connector of a steel-concrete composite girder according to claim 1, wherein a reinforcing bar is inserted into each of the through-holes.
6. The novel shear connector of a steel-concrete composite beam according to claim 1, wherein reinforcing bars are provided at intervals in the horizontally arranged through holes.
7. The novel shear connector of a steel-concrete composite beam according to claim 1, wherein the outer side of the transverse partition plate is flush with the outer side of the horizontal cover plate.
8. The novel shear connector of any one of claims 1-7, wherein the horizontal cover plate, the vertical perforated plate and the transverse partition plate are made of steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122942394.0U CN216340452U (en) | 2021-11-26 | 2021-11-26 | Novel shear connector of steel-concrete composite beam |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122942394.0U CN216340452U (en) | 2021-11-26 | 2021-11-26 | Novel shear connector of steel-concrete composite beam |
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| CN216340452U true CN216340452U (en) | 2022-04-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114790680A (en) * | 2022-05-11 | 2022-07-26 | 山东建筑大学 | Assembled steel box combination beam bridge |
| CN114991318A (en) * | 2022-06-13 | 2022-09-02 | 中国化学工程第十一建设有限公司 | Connecting device, steel concrete structure and steel concrete structure installation method |
-
2021
- 2021-11-26 CN CN202122942394.0U patent/CN216340452U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114790680A (en) * | 2022-05-11 | 2022-07-26 | 山东建筑大学 | Assembled steel box combination beam bridge |
| CN114991318A (en) * | 2022-06-13 | 2022-09-02 | 中国化学工程第十一建设有限公司 | Connecting device, steel concrete structure and steel concrete structure installation method |
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