CN210315195U - Angle steel connecting piece for reinforced concrete composite bridge - Google Patents

Angle steel connecting piece for reinforced concrete composite bridge Download PDF

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Publication number
CN210315195U
CN210315195U CN201920756000.2U CN201920756000U CN210315195U CN 210315195 U CN210315195 U CN 210315195U CN 201920756000 U CN201920756000 U CN 201920756000U CN 210315195 U CN210315195 U CN 210315195U
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steel
angle steel
angle
transverse
longitudinal
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李怀峰
王宏博
王志英
白光耀
张常勇
徐润
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Shandong Provincial Communications Planning and Design Institute Group Co Ltd
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Shandong Provincial Communications Planning and Design Institute Co Ltd
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Abstract

The utility model relates to an angle steel connecting piece for steel and concrete composite bridge, including fixed the flange board that sets up in steel construction web top and/or bottom, the flange board is parallel with the extending direction of steel construction web, the flange board level is arranged. The upper surface of the flange plate is fixedly provided with a plurality of groups of transverse angle steels along the extension direction of the steel structure web plate, each group of transverse angle steels comprises a first transverse angle steel and a second transverse angle steel, the horizontal edges of the first transverse angle steel and the second transverse angle steel are oppositely arranged and are parallel to the flange plate, and the extension direction of each transverse angle steel is perpendicular to the extension direction of the flange plate so as to bear the longitudinal shear force vertical to the direction of the steel structure web plate; a group of longitudinal angle steels are arranged between two adjacent groups of transverse angle steels. 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 portion bears the shearing force, the anti-shear performance is better, strengthens the ability that the corner bending moment is resisted at the reinforced concrete combination position simultaneously.

Description

Angle steel connecting piece for reinforced concrete composite bridge
Technical Field
The utility model belongs to the technical field of the bridge, concretely relates to angle steel 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.
The inventor knows that: common connectors can be classified into: the rigid connecting piece, the elastic connecting piece, the flexible connecting piece and the like mainly comprise an embedded type and a flange type, and specifically comprise a steel bar connecting piece, a section steel connecting piece, a stud connecting piece, a perforated steel plate connecting piece and the like. Most connectors tend to focus on increased shear resistance in one of the longitudinal or transverse directions, while the shear resistance in the other orthogonal direction is relatively weak. For the situation that the longitudinal and transverse shearing forces and the corner bending moment borne by the steel web or the steel longitudinal beam and the concrete top and bottom plates are possibly large when the distance between the steel web or the longitudinal steel beam is large, 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 an angle steel connecting piece for steel and concrete combination 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 bending is resisted in the reinforcing simultaneously, can realize the whole atress of connecting piece when the joint bears shearing force and corner moment of bending in the joint, 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 an angle steel connecting piece for steel-concrete composite bridge, includes the fixed flange plate that sets up in steel construction web top and/or bottom, the flange plate is parallel with the extending direction of steel construction web, flange plate horizontal arrangement.
The surface that deviates from the steel structure web among the flange plate is fixed along steel structure web extending direction and is equipped with the horizontal angle steel of multiunit, and every horizontal angle steel of group includes the horizontal angle steel of a first horizontal angle steel and a second, and the horizontal limit of the horizontal angle steel of first horizontal angle steel and second sets up relatively and is parallel with the flange plate, and the extending direction of every horizontal angle steel is perpendicular in order to undertake the vertical shear force of perpendicular steel structure web direction with the extending direction of flange plate. The horizontal edges in each group of transverse angle steel are oppositely arranged, so that enough space is reserved on the flange plate between each group of transverse angle steel to arrange the longitudinal angle steel.
The multiple groups of transverse angle steels are adopted, the extending direction of each transverse angle steel is perpendicular to the extending direction of the flange plate, the perpendicular transverse angle steel extending direction has strong shearing resistance, and the arrangement mode can enhance the capability of the joint part for bearing longitudinal shearing force.
Be equipped with a set of vertical angle steel between two sets of adjacent horizontal angle steel, every vertical angle steel of group includes the vertical angle steel of a first vertical angle steel and a second, and the horizontal limit of the vertical angle steel of first vertical angle steel and second deviates from the setting mutually and is parallel with the flange board, and the extending direction of every vertical angle steel is parallel in order to undertake the horizontal shear force of parallel steel construction web direction with the extending direction of flange board. Therefore, the distance between the two vertical edges is smaller, and the concrete poured between the two vertical edges and the vertical edges of the angle steel and the horizontal section of the U-shaped steel bar can form local reinforcement to resist transverse shearing force.
The multi-group longitudinal angle steel is adopted, the extending direction of each longitudinal angle steel is the same as that of the flange plate, the extending direction perpendicular to the longitudinal angle steel has strong shearing resistance, and the arrangement mode can enhance the capability of the joint part for bearing transverse shearing force.
The horizontal edges of the first transverse angle steel, the second transverse angle steel, the first longitudinal angle steel and the second longitudinal angle steel are fixedly connected with the flange plate respectively.
In this way, the joint between the concrete top plate or bottom plate and the steel structural web forms a whole.
Further, the vertical limit of horizontal angle steel all is provided with two at least trompils, is equipped with a through reinforcement in every trompil, the through reinforcement passes adjacent horizontal angle steel axis coincidence's trompil in proper order.
Adopt trompil structure and penetrating through the reinforcing bar, a plurality of horizontal angle steel can form a whole, more can make a plurality of horizontal angle steel closely cooperate after the concrete is pour on flange board upper portion, and the atress simultaneously, the mode of the whole atress of a plurality of horizontal angle steel has improved the ability of the anti longitudinal shear force of joint portion.
Furthermore, the vertical limit of vertical angle steel all is provided with a through-hole, and the axis coincidence of through-hole in the vertical angle steel of the same group wears to be equipped with a U shaped steel muscle in the through-hole of the vertical angle steel of the same group, two parallel sections of U shaped steel muscle are vertical to be arranged and are stretched out towards the direction of keeping away from the steel construction web.
The through holes and the U-shaped steel bars are adopted, the same group of longitudinal angle steels is an integral body, and the first longitudinal angle steels and the second longitudinal angle steels simultaneously bear transverse shearing force; after concrete is poured on the upper portion of the flange plate, the longitudinal angle steels can be closely matched, stress is applied to the longitudinal angle steels simultaneously, and the capability of resisting transverse shearing force of the joint portion is improved in the mode that the longitudinal angle steels are simultaneously stressed.
Meanwhile, the shear pin consisting of the U-shaped steel bars and the concrete at the through hole in the longitudinal angle steel can bear longitudinal shear force together with the transverse angle steel, so that the capability of the joint part for bearing the longitudinal shear force is improved. The shear pin formed by the penetrating steel bars and the concrete at the open holes in the transverse angle steel can bear transverse shear force together with the longitudinal angle steel, and the capability of bearing the transverse shear force of the joint part is improved.
Furthermore, the vertical edge of the longitudinal angle steel is positioned between two through steel bars, and the through steel bars are positioned between two parallel sections of the U-shaped steel bars.
Further, the distance between the tail ends of the two parallel sections of the U-shaped steel bar and the flange plate is larger than the height of the vertical edges of the transverse angle steel and the longitudinal angle steel.
The utility model has the advantages that:
1) the multiple groups of transverse angle steels are adopted, the extending direction of each transverse angle steel is perpendicular to the extending direction of the flange plate, the perpendicular transverse angle steel extending direction has strong shearing resistance, and the arrangement mode can enhance the capability of the joint part for bearing longitudinal shearing force.
2) The multi-group longitudinal angle steel is adopted, the extending direction of each longitudinal angle steel is the same as that of the flange plate, the extending direction perpendicular to the longitudinal angle steel has strong shearing resistance, and the arrangement mode can enhance the capability of the joint part for bearing transverse shearing force.
3) Adopt trompil structure and penetrating through the reinforcing bar, a plurality of horizontal angle steel can form a whole, more can make a plurality of horizontal angle steel closely cooperate after the concrete is pour on flange board upper portion, and the atress simultaneously, the mode of the whole atress of a plurality of horizontal angle steel has improved the ability of the anti longitudinal shear force of joint portion.
4) The through holes and the U-shaped steel bars are adopted, the same group of longitudinal angle steels is an integral body, and the first longitudinal angle steels and the second longitudinal angle steels simultaneously bear transverse shearing force; after concrete is poured on the upper portion of the flange plate, the longitudinal angle steels can be closely matched, stress is applied to the longitudinal angle steels simultaneously, and the capability of resisting transverse shearing force of the joint portion is improved in the mode that the longitudinal angle steels are simultaneously stressed.
5) The shear pin formed by the U-shaped steel bars and the concrete at the through hole in the longitudinal angle steel can bear longitudinal shear force together with the transverse angle steel, and the capability of a joint part for bearing the longitudinal shear force is improved. The shear pin formed by the penetrating steel bars and the concrete at the open holes in the transverse angle steel can bear transverse shear force together with the longitudinal angle steel, and the capability of bearing the transverse shear force of the joint part is improved.
6) The vertical section of the U-shaped steel bar arranged at the longitudinal angle steel is a vertical steel bar, and can assist in resisting corner bending moment at the joint of the steel structure web plate and the concrete top plate and the concrete bottom plate.
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 left side view of the overall structure in the embodiment of the present invention;
fig. 4 is a front view of the overall structure in the embodiment of the present invention.
In the figure: 1. u-shaped steel bars; 2. penetrating through the steel bar; 3. a first transverse angle steel; 4. a second transverse angle steel; 5. a flange plate; 6. a first longitudinal angle steel; 7. a second longitudinal angle steel; 8. a steel structural web.
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 utility model discloses what well horizontal angle steel and vertical angle steel indicate all is ordinary angle steel, and the through reinforcement is ordinary reinforcing bar. The direction perpendicular to the web (perpendicular to the direction in which the bridge extends) is defined as the transverse direction, and the direction identical to the direction in which the web extends (identical to the direction in which the bridge extends) is defined as the longitudinal direction.
Two angle steels in each group of transverse angle steels extend along the transverse direction; two angles of each set of longitudinal angles extend longitudinally.
The angle steel has two limits of mutually perpendicular and fixed connection, the utility model discloses the limit that will be parallel with the flange board is defined as the horizontal limit, will be defined as vertical limit with flange board vertically limit.
The utility model discloses an among the typical embodiment, as shown in fig. 1-4, an angle steel connecting piece for steel-concrete composite bridge, including fixed flange 5 that sets up in 8 tops of steel construction web and/or bottom, flange 5 is parallel with the extending direction of steel construction web 8, 5 horizontal arrangements of flange.
Specifically, the flange plate 5 is fixedly connected to the top end surface or the bottom end surface of the steel structural web 8 by welding, and in other embodiments, the present invention is not limited thereto.
A plurality of groups of transverse angle steels are fixedly arranged on the surface, deviating from the steel structure web 8, of the flange plate 5 along the extending direction of the steel structure web 8, each group of transverse angle steels comprises a first transverse angle steel 3 and a second transverse angle steel 4, the horizontal edges of the first transverse angle steel 3 and the second transverse angle steel 4 are oppositely arranged and are parallel to the flange plate 5, and the extending direction of each transverse angle steel is perpendicular to the extending direction of the flange plate 5 so as to bear the longitudinal shearing force in the direction vertical to the steel structure web 8;
a group of longitudinal angle steels are arranged between two adjacent groups of transverse angle steels, each group of longitudinal angle steels comprises a first longitudinal angle steel 6 and a second longitudinal angle steel 7, the horizontal edges of the first longitudinal angle steel 6 and the second longitudinal angle steel 7 are arranged in a deviating way and are parallel to the flange plate 5, and the extending direction of each longitudinal angle steel is parallel to the extending direction of the flange plate 5 so as to bear the transverse shearing force parallel to the direction of the steel structure web plate 8;
the horizontal edges of the first transverse angle steel 3, the second transverse angle steel 4, the first longitudinal angle steel 6 and the second longitudinal angle steel 7 are fixedly connected with the flange plate 5 respectively.
Specifically, first horizontal angle steel 3, second horizontal angle steel 4, first vertical angle steel 6 and second vertical angle steel 7 are respectively through welded mode and flange plate 5 fixed connection, and in some other embodiments, flange plate 5 can pass through bolt and first horizontal angle steel 3, second horizontal angle steel 4, first vertical angle steel 6 and second vertical angle steel 7 fixed connection, and this here is unrestricted, can set up by the skilled person of the art by oneself.
Further, the vertical limit of horizontal angle steel all is provided with two at least trompils, is equipped with a through reinforcement in every trompil, the through reinforcement passes adjacent horizontal angle steel axis coincidence's trompil in proper order.
Specifically, the cross section of the through reinforcing steel bar 2 and the opening is 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, the vertical limit of vertical angle steel all is provided with a through-hole, and the axis coincidence of through-hole in the same group of vertical angle steel wears to be equipped with a U shaped steel bar 1 in the through-hole of the same group of vertical angle steel, two parallel sections of U shaped steel bar 1 are vertical to be arranged and are stretched out towards the direction of keeping away from steel structure web 8.
Specifically, the cross section of the through hole is circular, and the cross section of the U-shaped steel bar 1 is circular.
Further, the vertical limit of vertical steel sheet is located between two through reinforcement 2, and through reinforcement 2 is located between two parallel sections of U shaped steel muscle 1.
Further, the distance between the tail ends of the two parallel sections of the U-shaped steel bar 1 and the flange plate 5 is larger than the height of the vertical edges of the transverse angle steel and the longitudinal angle steel.
Further, the distance of the opening from the flange plate 5 is greater than the distance of the through hole from the flange plate 5.
Specifically, certain height can stagger at vertical direction in trompil and through-hole to make things convenient for U type reinforcing bar 1 and the installation that runs through reinforcing bar 2.
Further, the projections of the multiple groups of transverse angle steels in the extending direction of the flange plate 5 are overlapped; the projections of each group of longitudinal angle steels in the extending direction of the vertical flange plate 5 are overlapped.
The working principle is as follows: the longitudinal horizontal shearing force is jointly borne by a shearing pin consisting of a steel U-shaped rib and concrete at the vertical edge of the transverse angle steel and the through hole in the longitudinal angle steel.
The transverse horizontal shearing force is shared by the vertical edge of the longitudinal angle steel and the shearing pin formed by the penetrating steel bar 2 and the concrete at the opening of the transverse angle steel.
Meanwhile, the vertical section of the U-shaped steel bar arranged at the longitudinal angle steel is a vertical steel bar, so that the corner bending moment at the joint of the steel structure web 8 and the concrete top and bottom plates can be resisted.
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 angle steel 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 groups of transverse angle steels are fixedly arranged on the surface, deviating from the steel structure web plate, of the flange plate along the extension direction of the steel structure web plate, each group of transverse angle steels comprises a first transverse angle steel and a second transverse angle steel, the horizontal edges of the first transverse angle steel and the second transverse angle steel are oppositely arranged and are parallel to the flange plate, and the extension direction of each transverse angle steel is perpendicular to the extension direction of the flange plate so as to bear the longitudinal shear force vertical to the direction of the steel structure web plate;
a group of longitudinal angle steels are arranged between two adjacent groups of transverse angle steels, each group of longitudinal angle steels comprises a first longitudinal angle steel and a second longitudinal angle steel, the horizontal edges of the first longitudinal angle steel and the second longitudinal angle steel are deviated from each other and are parallel to the flange plate, and the extending direction of each longitudinal angle steel is parallel to the extending direction of the flange plate so as to bear the transverse shearing force parallel to the direction of the steel structure web plate;
the horizontal edges of the first transverse angle steel, the second transverse angle steel, the first longitudinal angle steel and the second longitudinal angle steel are fixedly connected with the flange plate respectively.
2. The angle iron connecting piece for the steel-concrete composite bridge according to claim 1, wherein the vertical edges of the transverse angle irons are provided with at least two openings, each opening is provided with a through steel bar, and the through steel bars sequentially pass through the openings with the central axes of the adjacent transverse angle irons coincident with each other.
3. The angle iron connecting piece for the steel-concrete composite bridge according to claim 2, wherein each vertical edge of the longitudinal angle iron is provided with a through hole, the axes of the through holes in the same group of longitudinal angle irons are overlapped, a U-shaped steel bar penetrates through the through hole of the same group of longitudinal angle irons, and two parallel sections of the U-shaped steel bar are vertically arranged and extend out in the direction away from the steel structure web.
4. The angle iron connector for a steel-concrete composite bridge according to claim 3, wherein the vertical edge of the longitudinal angle iron is located between two through bars, and the through bars are located between two parallel sections of U-shaped bars.
5. The angle iron connector for the steel-concrete composite bridge according to claim 3, wherein the distance between the tail ends of the two parallel sections of the U-shaped steel bars and the flange plate is greater than the height of the vertical edges of the transverse angle iron and the longitudinal angle iron.
6. The angle iron connector for a steel-concrete composite bridge according to claim 3, wherein the distance from the opening to the flange plate is greater than the distance from the through hole to the flange plate.
7. The angle iron connecting piece for the steel-concrete composite bridge according to claim 3, wherein projections of the groups of transverse angle irons in the extending direction of the flange plates are overlapped; the projections of each group of longitudinal angle steels in the extending direction of the vertical flange plate are overlapped.
CN201920756000.2U 2019-05-22 2019-05-22 Angle steel connecting piece for reinforced concrete composite bridge Active CN210315195U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920756000.2U CN210315195U (en) 2019-05-22 2019-05-22 Angle steel connecting piece for reinforced concrete composite bridge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920756000.2U CN210315195U (en) 2019-05-22 2019-05-22 Angle steel connecting piece for reinforced concrete composite bridge

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CN210315195U true CN210315195U (en) 2020-04-14

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110130208A (en) * 2019-05-22 2019-08-16 山东省交通规划设计院 A kind of angle iron connecting piece for steel reinforced concrete combined bridge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110130208A (en) * 2019-05-22 2019-08-16 山东省交通规划设计院 A kind of angle iron connecting piece for steel reinforced concrete combined bridge

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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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