CN213328715U - Steel structure for bridge maintenance reinforcement - Google Patents

Steel structure for bridge maintenance reinforcement Download PDF

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Publication number
CN213328715U
CN213328715U CN202021889246.6U CN202021889246U CN213328715U CN 213328715 U CN213328715 U CN 213328715U CN 202021889246 U CN202021889246 U CN 202021889246U CN 213328715 U CN213328715 U CN 213328715U
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steel
tenon
cross
bridge
steel structure
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CN202021889246.6U
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许德庆
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Tianjin Derun Metal Structure Co ltd
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Tianjin Derun Metal Structure Co ltd
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Abstract

The utility model discloses a steel construction for bridge maintenance is consolidated belongs to steel construction technical field, including the hypoplastron, the welding of hypoplastron bottom has the cross tenon, the welding has the reference column in the middle of the cross tenon bottom, cross tenon and cross mortise adaptation connection, reference column and constant head tank adaptation connection, the hypoplastron bottom is through cross tenon and reference column and tenon seat mortise-tenon joint, tenon seat and former bridge steel construction top fixed connection, the hypoplastron top is connected with the upper plate through erecting girder steel, oblique girder steel A and oblique girder steel B, the utility model is used for the reinforced steel construction of bridge maintenance is convenient for install and dismantle, and the installation is firm, the utility model is used for the reinforced steel construction of bridge maintenance is firm, long service life.

Description

Steel structure for bridge maintenance reinforcement
Technical Field
The utility model relates to a steel construction technical field especially relates to a be used for reinforced (rfd) steel construction of bridge maintenance.
Background
The bridge deck of the traditional steel truss girder highway is mostly paved by adopting precast concrete bridge deck boards, at the present stage, along with the increasing of traffic volume, the load of the bridge is more and more large, because the bearing capacity of the traditional bridge is limited, when in use, when the wheel load of an overloaded vehicle directly acts on the concrete bridge deck boards, the concrete bridge deck boards are damaged, pot holes or even broken, under the long-term action of the wheel load of the concrete bridge deck boards, the sand cushion layer between the concrete bridge deck boards and the original bridge steel structure is easy to be separated, the damage of the concrete bridge deck boards can be further accelerated, the stability of the steel truss girder highway can be influenced, the safety of the running vehicle is further influenced, a new bridge deck board needs to be replaced, the concrete bridge deck boards can be continuously used, meanwhile, the concrete slab and the original bridge steel structure are connected through embedded tie bars, the connection fails after long-term use, and the impermeability of the concrete slab is poor, rainwater easily permeates through the thickness of the concrete plate to corrode a steel structure at the lower part of the bridge.
A steel construction decking for bridge maintenance is consolidated has been published in patent number 201620193615.5, and its thickness is 1 ~ 4m, and with traditional steel truss roof beam highway phase-match, can be used for the restoration of old bridge, and roof, bottom plate and the crossbeam in driving district all adopt steel to make, and decking antifatigue, shock resistance are all stronger, and life is longer, can reduce the use cost of bridge.
The steel structure for bridge repair reinforcement disclosed in the above patent has the following disadvantages: 1. the top plate and the bottom plate of the steel structure for bridge maintenance and reinforcement disclosed in the patent are connected through the web, so that the structure is unstable and easy to damage; 2. the steel structure for bridge maintenance and reinforcement disclosed in the patent is connected with an original bridge steel structure through a cushion block, a bolt and a screw hole, and then welding and reinforcement are performed, so that the joint is easy to break, unstable in connection and inconvenient to install; for this reason, we propose a steel structure for bridge repair reinforcement.
SUMMERY OF THE UTILITY MODEL
The utility model provides a steel structure for bridge maintenance and reinforcement, which is convenient to install and disassemble, the installation is stable, the bottom of the lower plate is welded with a cross tenon, the middle of the bottom of the cross tenon is welded with a positioning column, when the steel structure for bridge maintenance and reinforcement is needed to be installed, the cross tenon and the positioning column at the bottom of the steel structure are installed in a tenon seat at the top of the original bridge steel structure, the cross tenon is in adaptive connection with the cross mortise, the positioning column is in adaptive connection with the positioning groove, the tenon-and-mortise component connection mode can bear larger load and allows certain deformation, certain seismic energy is offset by deformation under seismic load, the seismic response of the structure is reduced, the cross tenon and the cross mortise joint are welded and reinforced, the positioning column is also welded and reinforced with the positioning groove joint, the connection is stable, the utility model has the advantages that the steel structure for maintaining and reinforcing the bridge is stable, the upper plate and the lower plate are connected through the vertical steel beams, the oblique steel beams A and the oblique steel beams B and are divided into a plurality of triangles, the triangle structure has stability, the cross section of the whole steel structure plate is isosceles trapezoid, the trapezoid structure has certain stability, the stability of the trapezoid is between the triangle and the parallelogram, the stability is related to the length relation of the upper and the lower bottoms, when the upper bottom is gradually close to 0, the whole trapezoid is gradually close to a triangle, then the trapezoid has more and more stability, or the stability is stronger and stronger, and when the upper bottom is gradually close to the lower bottom, the whole trapezoid is gradually close to the parallelogram, so that the trapezoid is easier and easier to deform, and the stability is weaker and weaker, and is more stable than a structure with a rectangular longitudinal section.
The utility model provides a specific technical scheme as follows:
the utility model provides a pair of be used for reinforced (rfd) steel construction of bridge maintenance, including the hypoplastron, the welding of hypoplastron bottom has the cross tenon, the welding has the reference column in the middle of the cross tenon bottom, cross tenon and cross mortise adaptation connection, reference column and constant head tank adaptation connection, the hypoplastron bottom is through cross tenon and reference column and mortise-tenon fourth of the twelve earthly branches connection, tenon seat and former bridge steel construction top fixed connection, the hypoplastron top is connected with the upper plate through erecting girder steel, oblique girder steel A and oblique girder steel B.
Optionally, the surface of the upper plate is provided with a shear nail groove and is connected with the shear nail through the shear nail groove.
Optionally, the top of the upper plate is fixedly connected with the steel bar net frame.
Optionally, the inner side wall of the steel bar net frame is connected with the concrete layer.
Optionally, the upper plate, the vertical steel beam, the oblique steel beam A, the oblique steel beam B and the lower plate form a steel structure whole, and the whole cross section of the steel structure is in an isosceles trapezoid shape.
The utility model has the advantages as follows:
the embodiment of the utility model provides a be used for reinforced (rfd) steel construction of bridge maintenance:
1. the utility model is used for reinforced (rfd) steel construction of bridge maintenance is convenient for install and dismantles, the installation is firm, the welding of hypoplastron bottom has the cross tenon, the welding has the reference column in the middle of the cross tenon bottom, when needs installation are used for reinforced (rfd) steel construction of bridge maintenance, install the cross tenon and the reference column of steel construction bottom in the tenon seat at former bridge steel construction top, cross tenon and cross mortise adaptation are connected, reference column and constant head tank adaptation, tenon fourth of the twelve earthly branches component connection mode not only can bear great load, and allow to produce certain deformation, offset certain seismic energy through the deformation under seismic load, reduce the seismic response of structure, cross tenon and cross mortise junction welding enhancement connection, the reference column also welds enhancement connection with the constant head tank junction, it is firm to connect, solve the easy damage of the steel construction for bridge maintenance reinforcement that publishes in the above-mentioned patent, The structural strength is low.
2. The utility model is used for the steel structure of bridge maintenance reinforcement is firm, the upper plate and the lower plate are connected through a plurality of vertical steel beams, an oblique steel beam A and an oblique steel beam B and are separated into a plurality of triangles, the triangle structure has stability, the whole cross section of the steel structure plate is isosceles trapezoid, the trapezoid structure has certain stability, the trapezoid stability is between the triangle and the parallelogram, the stability is related to the length relation of the upper and the lower bottoms, when the upper bottom is gradually close to 0, the whole trapezoid is gradually close to the triangle, then the trapezoid is more and more stable, or the stability is stronger and stronger, when the upper bottom is gradually close to the lower bottom, the whole trapezoid is gradually close to the parallelogram, then the trapezoid is more and more easy to deform, thereby the stability is weaker and weaker, and the structure is more rectangular than the general longitudinal section, the problem of the inconvenient installation of the steel construction that is used for bridge maintenance reinforcement and announces in the above-mentioned patent and joint strength is low is solved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of a steel structure for repairing and reinforcing a bridge according to an embodiment of the present invention;
fig. 2 is a schematic side structure view of a steel structure for repairing and reinforcing a bridge according to an embodiment of the present invention;
fig. 3 is a top view of the tenon seat of the steel structure for bridge maintenance reinforcement of the embodiment of the present invention.
In the figure: 1. an upper plate; 2. erecting a steel beam; 3. a lower plate; 4. a tenon seat; 5. a primary bridge steel structure; 6. a cross mortise; 7. positioning a groove; 8. a steel bar net frame; 9. a concrete layer; 10. shear nails; 11. an inclined steel beam A; 12. an inclined steel beam B; 13. a cross tenon; 14. and a positioning column.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
A steel structure for bridge repair reinforcement according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.
Referring to fig. 1, fig. 2 and fig. 3, the embodiment of the utility model provides a be used for reinforced (rfd) steel construction of bridge maintenance, including hypoplastron 3, the welding of 3 bottoms of hypoplastron has cross tenon 13, the welding has reference column 14 in the middle of cross tenon 13 bottoms, cross tenon 13 and 6 adaptation connection of cross mortise, reference column 14 and 7 adaptation connection of constant head tank, 3 bottoms of hypoplastron are through cross tenon 13 and reference column 14 and 4 mortise-tenon joints of tenon seat, 5 top fixed connection of tenon seat 4 and original bridge steel construction, 3 tops of hypoplastron are connected with upper plate 1 through erecting girder steel 2, oblique girder steel A11 and oblique girder steel B12.
By way of example, the steel structure for bridge maintenance and reinforcement of the utility model is convenient to install and disassemble, the installation is stable, the cross tenon 13 is welded at the bottom of the lower plate 3, the positioning column 14 is welded in the middle of the bottom of the cross tenon 13, when the steel structure for bridge maintenance and reinforcement is required to be installed, the cross tenon 13 and the positioning column 14 at the bottom of the steel structure are installed in the tenon seat 4 at the top of the original bridge steel structure, the cross tenon 13 is in adaptive connection with the cross mortise 6, the positioning column 14 is in adaptive connection with the positioning groove 7, the tenon-and-mortise component connection mode can not only bear larger load, but also allows certain deformation, certain seismic energy is offset through deformation under seismic load, the seismic response of the structure is reduced, the cross tenon 13 and the cross mortise 6 are in welded and reinforced connection, the positioning column 14 is also in welded and reinforced connection with the positioning groove 7, the connection is stable, the steel structure for bridge maintenance, the upper plate 1 and the lower plate 3 are connected through a plurality of vertical steel beams 2, oblique steel beams A11 and oblique steel beams B12 and are divided into a plurality of triangles, the triangle structure has stability, the whole cross section of the steel structure plate is isosceles trapezoid, the trapezoid structure has certain stability, the trapezoidal stability is between the triangle and the parallelogram, the stability is related to the length relation of the upper bottom and the lower bottom, when the upper bottom is gradually close to 0, the whole trapezoid is gradually close to the triangle, then the trapezoid has more and more stability, or the stability is stronger and stronger, and when the upper bottom is gradually close to the lower bottom, the whole trapezoid is gradually close to the parallelogram, then the trapezoid is more and more easy to deform, so the stability is weaker and weaker, and the structure is more stable than a common structure with a rectangular longitudinal section.
Referring to fig. 1, a shear nail groove is formed on the surface of the upper plate 1 and connected with a shear nail 10 through the shear nail groove.
Illustratively, the surface of the upper plate 1 is provided with a shear nail groove and is connected with the shear nails 10 through the shear nail groove, so that the structural strength of the upper plate 1 is enhanced.
Referring to fig. 1 and 2, the top of the upper plate 1 is fixedly connected with a steel mesh frame 8.
The top of the upper plate 1 is fixedly connected with a steel bar net frame 8, so that the concrete layer 9 can be conveniently filled.
Referring to fig. 1 and 2, the inner side wall of the steel mesh frame 8 is connected with a concrete layer 9.
The example, 8 inside walls of reinforcing bar net frame are connected with concrete layer 9, and structural strength is high.
Referring to fig. 2, the upper plate 1, the vertical steel beam 2, the oblique steel beam a11, the oblique steel beam B12 and the lower plate 3 form a steel structure whole, and the cross section of the steel structure whole is in an isosceles trapezoid shape.
For example, the trapezoid structure has a certain stability, the stability of the trapezoid is between a triangle and a parallelogram, the stability is related to the length relationship between the upper bottom and the lower bottom, when the upper bottom gradually approaches to 0, the whole trapezoid gradually approaches to the triangle, then the trapezoid has more and more stability, or the stability is stronger and stronger, and when the upper bottom gradually approaches to the lower bottom, the whole trapezoid gradually approaches to the parallelogram, then the trapezoid is more and more easily deformed, and thus the stability is weaker and weaker, and is more and more stable than a structure with a general rectangular longitudinal section.
When the steel structure tenon and mortise combined type steel structure is used, the cross tenon 13 and the positioning column 14 at the bottom of the steel structure are arranged in the tenon seat 4 at the top of the original bridge steel structure, the cross tenon 13 is in adaptive connection with the cross mortise 6, the positioning column 14 is in adaptive connection with the positioning groove 7, the tenon-and-mortise component connection mode can bear larger load and allows certain deformation, certain seismic energy is offset through deformation under seismic load, the seismic response of the structure is reduced, the joint of the cross tenon 13 and the cross mortise 6 is welded and reinforced and connected, the joint of the positioning column 14 and the positioning groove 7 is also welded and reinforced and connected, the connection is stable, the upper plate 1 and the lower plate 3 are connected through a plurality of vertical steel beams 2, an oblique steel beam A11 and an oblique steel beam B12 and are divided into a plurality of triangles, the triangle structure has stability, the cross section of the whole steel structure is in an isosceles trapezoid, the stability of the trapezoid is between the triangle and the parallelogram, the stability is related to the length relationship between the upper bottom and the lower bottom, when the upper bottom is gradually close to 0, the whole trapezoid is gradually close to the triangle, then the trapezoid has more and more stability, or the stability is stronger and stronger, and when the upper bottom is gradually close to the lower bottom, the whole trapezoid is gradually close to the parallelogram, then the trapezoid is more and more easy to deform, so that the stability is weaker and weaker, and the trapezoid is more and more stable than a structure with a general rectangular longitudinal section.
The utility model relates to a steel structure for bridge maintenance and reinforcement, which comprises a steel plate 1 and an upper plate; 2. erecting a steel beam; 3. a lower plate; 4. a tenon seat; 5. a primary bridge steel structure; 6. a cross mortise; 7. positioning a groove; 8. a steel bar net frame; 9. a concrete layer; 10. shear nails; 11. an inclined steel beam A; 12. an inclined steel beam B; 13. a cross tenon; 14. the positioning posts, components are all standard or known to those skilled in the art, and their structure and principle are known to those skilled in the art through technical manuals or through routine experimentation.
It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (5)

1. The utility model provides a be used for reinforced (rfd) steel construction of bridge maintenance, includes hypoplastron (3), its characterized in that, hypoplastron (3) bottom welding has cross tenon (13), the welding has reference column (14) in the middle of cross tenon (13) bottom, cross tenon (13) and cross mortise (6) adaptation are connected, reference column (14) and constant head tank (7) adaptation are connected, hypoplastron (3) bottom is through cross tenon (13) and reference column (14) and mortise-tenon joint of tenon seat (4), tenon seat (4) and original bridge steel construction (5) top fixed connection, hypoplastron (3) top is connected with upper plate (1) through erecting girder steel (2), oblique girder steel A (11) and oblique girder steel B (12).
2. The steel structure for bridge repair and reinforcement according to claim 1, wherein the upper plate (1) is provided with shear nail grooves on the surface and connected with the shear nails (10) through the shear nail grooves.
3. The steel structure for bridge repair reinforcement according to claim 1, characterized in that the top of the upper plate (1) is fixedly connected with the steel reinforcement net frame (8).
4. A steel structure for bridge repair reinforcement according to claim 3, characterized in that the inside wall of the steel reinforcement mesh frame (8) is connected with the concrete layer (9).
5. The steel structure for bridge repair and reinforcement according to claim 1, wherein the upper plate (1), the vertical steel beam (2), the inclined steel beam A (11), the inclined steel beam B (12) and the lower plate (3) form a steel structure whole, and the cross section of the steel structure whole is isosceles trapezoid.
CN202021889246.6U 2020-09-02 2020-09-02 Steel structure for bridge maintenance reinforcement Active CN213328715U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021889246.6U CN213328715U (en) 2020-09-02 2020-09-02 Steel structure for bridge maintenance reinforcement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021889246.6U CN213328715U (en) 2020-09-02 2020-09-02 Steel structure for bridge maintenance reinforcement

Publications (1)

Publication Number Publication Date
CN213328715U true CN213328715U (en) 2021-06-01

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ID=76101995

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021889246.6U Active CN213328715U (en) 2020-09-02 2020-09-02 Steel structure for bridge maintenance reinforcement

Country Status (1)

Country Link
CN (1) CN213328715U (en)

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