CN210315194U - Perforated plate connecting piece for steel-concrete composite bridge - Google Patents
Perforated plate connecting piece for steel-concrete composite bridge Download PDFInfo
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- CN210315194U CN210315194U CN201920747354.0U CN201920747354U CN210315194U CN 210315194 U CN210315194 U CN 210315194U CN 201920747354 U CN201920747354 U CN 201920747354U CN 210315194 U CN210315194 U CN 210315194U
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Abstract
The utility model relates to a perforated plate connecting piece for a steel-concrete composite bridge, which comprises flange plates fixedly arranged at the top end and/or the bottom end of a steel structure web plate, wherein the flange plates are parallel to the extending direction of the steel structure web plate and are horizontally arranged; a plurality of I-shaped steels are uniformly distributed on the surfaces, deviating from the steel structure web, of the flange plates along the extension direction of the steel structure web, and each I-shaped steel comprises a transverse steel plate and longitudinal steel plates arranged at two ends of the transverse steel plate; the plane of the transverse steel plate is parallel to the extending direction of the bridge, and the plane of the longitudinal steel plate is parallel to the extending direction of the flange plate; the transverse steel plates and the longitudinal steel plates are vertically arranged, and the I-shaped steel is fixedly connected with the flange plate. The utility model discloses can carry out the structure reinforcing in the direction of bearing horizontal shearing force and vertical shearing force, can realize the whole atress of connecting piece when the joint bears the shearing force, the anti-shear performance is better.
Description
Technical Field
The utility model belongs to the technical field of the bridge, concretely relates to trompil board connecting piece for reinforced concrete composite bridge.
Background
For a steel-concrete composite structure bridge, the joint part of a steel structure web and a concrete top plate or a concrete bottom plate is directly related to the bearing capacity and the safety of the composite structure bridge, the structure of the joint part needs to resist the horizontal shearing force between the steel structure web and the concrete material in the structure, and when the composite structure is stressed, two different materials bear the load together, which is a very key technical link in the design and construction of the steel-concrete composite structure bridge. Common connecting pieces include a steel bar connecting piece, a profile steel connecting piece, a stud connecting piece, a first through hole steel plate connecting piece and the like.
The inventor believes that the connecting structure at the joint of the existing steel structure web and the concrete top plate is often focused on enhancing the shearing resistance in one longitudinal direction or transverse direction, and the shearing resistance in the other orthogonal direction is relatively weak. For the situation that the longitudinal and transverse shearing forces and the corner bending moment born by the steel web or the steel longitudinal beam and the concrete top and bottom plates are likely to be larger when the distance between the steel web or the longitudinal steel beam is larger, a connection structure capable of simultaneously enhancing the longitudinal and transverse shearing resistance and the corner bending moment resistance is required to be provided so as to ensure the structural safety of the steel-concrete composite bridge.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming above-mentioned prior art not enough, provide a trompil board connecting piece for steel-concrete composite bridge, can carry out the structure reinforcing in the direction of bearing horizontal shearing force and vertical shearing force, the ability of corner moment of flexure is resisted in the reinforcing simultaneously, can realize the whole atress of connecting piece when the joint bears shearing force and corner moment of flexure, and anti-shear, bending resistance are better.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a trompil board connecting piece for steel-concrete composite bridge, sets up the flange board in steel construction web top and/or bottom including fixed, the flange board is parallel with the extending direction of steel construction web, the flange board horizontal arrangement. A plurality of I-shaped steels are uniformly distributed on the surfaces, deviating from the steel structure web, of the flange plates along the extension direction of the steel structure web, and each I-shaped steel comprises a transverse steel plate and longitudinal steel plates arranged at two ends of the transverse steel plate;
the plane where the transverse steel plate is located is perpendicular to the extending direction of the flange plate, and the plane where the longitudinal steel plate is located is parallel to the extending direction of the flange plate; the transverse steel plates and the longitudinal steel plates are vertically arranged, and the I-shaped steel is fixedly connected with the flange plate.
The I-shaped steel is used as a connecting part between the steel structure web and the concrete top plate/bottom plate, the transverse steel plate is perpendicular to the extending direction of the flange plate, the transverse steel plate can provide strong shearing resistance in the direction perpendicular to the transverse steel plate, and the arrangement mode can enhance the capability of the joint part for bearing longitudinal shearing force.
The extending direction of the longitudinal steel plate is parallel to the extending direction of the flange plate, the longitudinal steel plate can provide strong shearing resistance in the direction perpendicular to the longitudinal steel plate, and the arrangement mode can enhance the capability of the joint part for bearing transverse shearing force.
Furthermore, a shear nail is arranged between the adjacent I-shaped steels and fixedly connected with the flange plate, and the shear nail is perpendicular to the plane of the flange plate.
By adopting the shear nail structure, the shear nails can further enhance the combination degree of the steel structural web plate and the concrete and can bear part of horizontal shear; when the joint is subjected to non-longitudinal and transverse shear forces, the ability of the joint to resist the shear forces is enhanced.
Furthermore, each transverse steel plate is provided with at least one first through hole, the number of the first through holes is determined according to calculation, the axes of a group of first through holes used in a matched mode coincide, and the reinforcing steel bars penetrate through the first through holes.
By adopting the first through hole structure and the reinforcing steel bars, the plurality of I-shaped steels can form a whole body, the plurality of I-shaped steels can be tightly matched after concrete is poured on the upper part of the flange plate, and the capacity of the joint part for resisting longitudinal and transverse shearing forces is improved in the mode of integral stress of the plurality of I-shaped steels.
Furthermore, two second through holes are formed in each longitudinal steel plate, the second through holes are formed in two sides of each transverse steel plate respectively, and the axes of the second through holes, which are located on the same side of each transverse steel plate, in the same I-shaped steel are overlapped.
Two second through holes with coincident axes are connected through U-shaped steel bars, and two parallel sections of the U-shaped steel bars are vertically arranged and extend out towards the direction far away from the steel structure web.
The U-shaped steel ribs at the second through holes can be combined to form a shear pin, and the shear pin can assist in bearing longitudinal horizontal shear force. The reinforcing steel bars and the concrete can be combined to form shear pins which can assist in bearing transverse horizontal shear.
Furthermore, the distance between the tail ends of the two parallel sections of the U-shaped steel bar and the flange plate is greater than the height of the I-shaped steel and the height of the shear nail.
The utility model has the advantages that:
1) the I-shaped steel is used as a connecting piece between the steel structure web and the concrete top plate/bottom plate, the extension direction of the transverse steel plate is perpendicular to the extension direction of the flange plate, the transverse steel plate can provide strong shearing resistance in the direction perpendicular to the transverse steel plate, and the arrangement mode can enhance the capability of the joint part for bearing longitudinal shearing force.
The extending direction of the longitudinal steel plate is parallel to the extending direction of the flange plate, the longitudinal steel plate can provide strong shearing resistance in the direction perpendicular to the longitudinal steel plate, and the arrangement mode can enhance the capability of the joint part for bearing transverse shearing force.
2) By adopting the shear nail structure, the shear nail can further enhance the combination degree of the steel structure web plate and the concrete, can bear partial horizontal shear force and enhance the capacity of the combination part for resisting the shear force.
3) By adopting the first through hole structure and the reinforcing steel bars, the plurality of I-shaped steels can form a whole body, the plurality of I-shaped steels can be tightly matched after concrete is poured on the upper part of the flange plate, and the capacity of the joint part for resisting longitudinal and transverse shearing forces is improved in the mode of integral stress of the plurality of I-shaped steels.
4) The U-shaped steel bar horizontal sections at the second through holes can be combined to form a shear pin, and the shear pin can assist in bearing longitudinal horizontal shear force. The horizontal section of the reinforcing steel bar and the concrete can be combined to form a shear pin, and the shear pin can assist in bearing transverse horizontal shear.
5) The U-shaped steel bar vertical section at the second through hole can assist in bearing corner bending moment of the steel-concrete connecting part and enhance the capability of the connecting part in resisting the corner bending moment.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Fig. 1 is an axonometric view of the overall structure in an embodiment of the invention;
fig. 2 is a top view of the overall structure in the embodiment of the present invention;
FIG. 3 is a front view of the overall structure of the embodiment of the present invention;
fig. 4 is a left side view of the overall structure in the embodiment of the present invention.
In the figure: 1. a steel structural web; 2. a flange plate; 3. i-shaped steel; 301. a transverse steel plate; 302. a longitudinal steel plate; 4. u-shaped steel bars; 5. shear nails; 6. and reinforcing the steel bars.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the reinforcing steel bars are ordinary steel bars. The direction perpendicular to the extending direction of the flange plate (perpendicular to the extending direction of the bridge) is defined as a lateral direction, and the direction parallel to the extending direction of the flange plate (parallel to the extending direction of the bridge) is defined as a longitudinal direction.
In a typical embodiment of the present invention, as shown in fig. 1-4, a perforated plate connector for steel-concrete composite bridge comprises a flange plate 2 fixedly disposed on the top end and/or the bottom end of a steel structure web 1, wherein the flange plate 2 is parallel to the extending direction of the steel structure web 1.
Specifically, the flange plate 2 is fixedly connected with the top end surface or the bottom end surface of the steel structure web 1 in a welding mode.
A plurality of I-shaped steels 3 are uniformly distributed on the surface, deviating from the steel structure web 1, of the flange plate 2 along the extending direction of the steel structure web 1, and each I-shaped steel 3 comprises a transverse steel plate 301 and longitudinal steel plates 302 arranged at two ends of the transverse steel plate 301;
the plane of the transverse steel plate 301 is perpendicular to the extending direction of the flange plate, and the plane of the longitudinal steel plate 302 is parallel to the extending direction of the flange plate 2;
the transverse steel plates 301 and the longitudinal steel plates 302 are both vertically arranged, and the I-shaped steel 3 is fixedly connected with the flange plate 2.
Specifically, the plurality of i-beams 3 are respectively fixedly connected with the flange plate by welding, and in other embodiments, the flange plate 2 may be fixedly connected with the i-beams 3 by bolts, which is not limited herein and can be set by a person skilled in the art.
Further, a shear pin 5 is arranged between the adjacent I-shaped steels 3, the shear pin 5 is fixedly connected with the flange plate 2, and the plane where the shear pin 5 is located is vertical to the plane where the flange plate 2 is located.
Specifically, the shear nails 5 are fixedly connected with the flange plates 2 through welding,
further, at least first through holes are formed in each transverse steel plate 301, the number of the first through holes is determined according to calculation, the axes of the first through holes located on the same side of the flange plate 2 are overlapped, a reinforcing steel bar 6 penetrates through the first through hole on each side of the flange plate 2, and the reinforcing steel bar 6 penetrates through all the first through holes on the same side of the flange plate 2.
Specifically, the cross sections of the reinforcing steel bars 6 and the first through holes are circular so as to be convenient to manufacture and install; in other embodiments, the cross-sectional shape is not limited and can be set at the discretion of one skilled in the art.
Further, two second through holes are formed in each longitudinal steel plate 302, the second through holes are formed in two sides of the transverse steel plate 301 respectively, and the axes of the second through holes located on the same side of the transverse steel plate 301 in the same i-shaped steel 3 are overlapped. Two second through holes with coincident axes are connected through a U-shaped steel bar 4, and two parallel sections of the U-shaped steel bar 4 are vertically arranged and extend out towards the direction far away from the steel structure web plate 1.
Further, the distance between the tail ends of the two parallel sections of the U-shaped steel bar 4 and the flange plate 2 is greater than the height of the I-shaped steel 3 and the height of the shear nail 5.
Further, the distance from the first through hole to the flange plate 2 is greater than the distance from the second through hole to the flange plate 2. Specifically, first through-hole and second through-hole can stagger certain height in vertical direction to make things convenient for U shaped steel muscle 4 and reinforcing bar 6's installation.
Further, the projections of multiple groups of I-shaped steel 3 in the extending direction of the flange plate 2 are overlapped.
The working principle is as follows: the longitudinal horizontal shearing force is shared by a shearing pin consisting of a steel U-shaped rib and concrete at a second through hole in a transverse steel plate 301 and a longitudinal steel plate 302 of the I-shaped steel 3.
The transverse horizontal shearing force is shared by the longitudinal steel plate 302 and the transverse steel plate 301, the reinforcing steel bars 6 at the first through holes and the shear pins formed by concrete.
Meanwhile, the vertical section of the U-shaped steel bar arranged at the longitudinal steel plate 302 is a vertical steel bar, which can assist in resisting corner bending moment at the joint of the steel structural web 1 and the concrete top and bottom plates.
Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.
Claims (7)
1. The perforated plate connecting piece for the steel-concrete composite bridge is characterized by comprising flange plates fixedly arranged at the top end and/or the bottom end of a steel structure web plate, wherein the flange plates are parallel to the extending direction of the steel structure web plate and are horizontally arranged;
a plurality of I-shaped steels are uniformly distributed on the surfaces, deviating from the steel structure web, of the flange plates along the extension direction of the steel structure web, and each I-shaped steel comprises a transverse steel plate and longitudinal steel plates arranged at two ends of the transverse steel plate;
the plane of the transverse steel plate is parallel to the extending direction of the bridge, and the plane of the longitudinal steel plate is parallel to the extending direction of the flange plate;
the transverse steel plates and the longitudinal steel plates are vertically arranged, and the I-shaped steel is fixedly connected with the flange plate.
2. The perforated plate connecting piece for the steel-concrete composite bridge according to claim 1, wherein shear nails are arranged between adjacent I-shaped steels and fixedly connected with the flange plates, and the shear nails are perpendicular to the planes of the flange plates.
3. The perforated plate connecting member for a steel-concrete composite bridge according to claim 1, wherein each transverse steel plate is provided with at least one first through hole, the number of the first through holes is determined according to calculation, the axes of a group of the first through holes used in cooperation coincide, and reinforcing steel bars penetrate through the first through holes.
4. The perforated plate connecting piece for the steel-concrete composite bridge according to claim 3, wherein two second through holes are formed in each longitudinal steel plate, the second through holes are respectively formed in two sides of the transverse steel plate, and the axes of the second through holes in the same I-shaped steel, which are positioned on the same side of the transverse steel plate, coincide;
two second through holes with coincident axes are connected through U-shaped steel bars, and two parallel sections of the U-shaped steel bars are vertically arranged and extend out towards the direction far away from the steel structure web.
5. The perforated plate connecting member for a steel-concrete composite bridge according to claim 4, wherein the distance between the ends of the two parallel sections of the U-shaped reinforcing steel bars and the flange plate is greater than the heights of the I-shaped steel and the shear nails.
6. The perforated plate connection for a steel-concrete composite bridge according to claim 4, wherein the first through hole is located at a distance from the flange plate greater than the distance from the second through hole to the flange plate.
7. The perforated plate connecting member for a steel-concrete composite bridge according to claim 4, wherein the projections of the multiple sets of I-shaped steel in the extending direction of the flange plate are overlapped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920747354.0U CN210315194U (en) | 2019-05-22 | 2019-05-22 | Perforated plate connecting piece for steel-concrete composite bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920747354.0U CN210315194U (en) | 2019-05-22 | 2019-05-22 | Perforated plate connecting piece for steel-concrete composite bridge |
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| Publication Number | Publication Date |
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| CN210315194U true CN210315194U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920747354.0U Active CN210315194U (en) | 2019-05-22 | 2019-05-22 | Perforated plate connecting piece for steel-concrete composite bridge |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130209A (en) * | 2019-05-22 | 2019-08-16 | 山东省交通规划设计院 | A kind of perforated plate connector for steel reinforced concrete combined bridge |
| CN111794072A (en) * | 2020-07-10 | 2020-10-20 | 无锡市亨利富建设发展有限公司 | Steel and concrete combined beam |
-
2019
- 2019-05-22 CN CN201920747354.0U patent/CN210315194U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130209A (en) * | 2019-05-22 | 2019-08-16 | 山东省交通规划设计院 | A kind of perforated plate connector for steel reinforced concrete combined bridge |
| CN111794072A (en) * | 2020-07-10 | 2020-10-20 | 无锡市亨利富建设发展有限公司 | Steel and concrete combined beam |
| CN111794072B (en) * | 2020-07-10 | 2021-07-02 | 无锡市亨利富建设发展有限公司 | Steel and concrete combined beam |
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| CP01 | Change in the name or title of a patent holder |
Address after: 250031 No. 576 Wushanxi Road, Tianqiao District, Jinan City, Shandong Province Patentee after: Shandong transportation planning and Design Institute Group Co.,Ltd. Address before: 250031 No. 576 Wushanxi Road, Tianqiao District, Jinan City, Shandong Province Patentee before: Shandong transportation planning and Design Institute Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |