CN216891919U - Large-span steel bridge using steel pier assembly - Google Patents
Large-span steel bridge using steel pier assembly Download PDFInfo
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- CN216891919U CN216891919U CN202121425151.3U CN202121425151U CN216891919U CN 216891919 U CN216891919 U CN 216891919U CN 202121425151 U CN202121425151 U CN 202121425151U CN 216891919 U CN216891919 U CN 216891919U
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Abstract
The utility model relates to a large-span steel bridge using a steel pier component, belonging to the field of bridge engineering; the two ends of the large-span steel bridge are respectively fixedly connected with the two shopping malls, the middle of the large-span steel bridge is supported by piers, steel pier assemblies are respectively arranged at the joints of the two shopping malls and the large-span steel bridge, the top ends of the steel pier assemblies are fixedly connected with the bottom end of the large-span steel bridge, and the bottom ends of the steel pier assemblies are buried in the ground; the long span steel bridge is composed of steel beam box assemblies which are arranged side by side in sequence and has an asymmetric structure; the steel pier component comprises vertical steel beams symmetrically arranged, transverse steel beams are welded between the vertical steel beams, two connecting steel beams are welded between two adjacent transverse steel beams, and the two connecting steel beams and the transverse steel beams on the upper ends of the two connecting steel beams form a triangular structure. The utility model adopts an assembly structure and has the advantages of high construction speed, high construction quality, resource and energy conservation, cost conservation and the like.
Description
Technical Field
The utility model belongs to the field of bridge engineering, and particularly relates to a large-span steel bridge using a steel pier component.
Background
The pedestrian overpass is generally built in a place with large traffic flow and dense pedestrians, or on intersections, squares and railways, is a road-crossing overpass arranged on traffic intersections or busy roads and is visible everywhere in our living cities; the overpass not only can guarantee the safety of passerby, alleviates the phenomenon of traffic jams, also makes the vehicle of passing more unblocked simultaneously, reduces the traffic accident, distinguishes according to the structure, and common overpass of crossing can divide into three big categories, is suspension type structure, bearing formula structure and hybrid structure respectively.
However, the existing pedestrian overpasses are built by using reinforced concrete structures, the construction period is long, constructors influence the traffic of the construction lines, and the pedestrian overpasses are inconvenient to disassemble when being discarded; thus, the existing requirements are not satisfied.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a large-span steel bridge using a steel pier component, so that the construction period of the bridge is effectively shortened, and the construction investment of the bridge is saved.
In order to achieve the purpose, the specific technical scheme of the large-span steel bridge using the steel pier component is as follows:
a large-span steel bridge using steel pier components is characterized in that two ends of the large-span steel bridge are respectively and fixedly connected with two shopping malls, the middle of the large-span steel bridge is supported by piers, the steel pier components are respectively arranged at the joints of the two shopping malls and the large-span steel bridge, the top ends of the steel pier components are fixedly connected with the bottom end of the large-span steel bridge, and the bottom ends of the steel pier components are embedded into the ground;
the long span steel bridge is composed of steel beam box assemblies which are arranged side by side in sequence and has an asymmetric structure;
the steel pier component comprises vertical steel beams symmetrically arranged, transverse steel beams are welded between the vertical steel beams, two connecting steel beams are welded between two adjacent transverse steel beams, and the two connecting steel beams and the transverse steel beams on the upper ends of the two connecting steel beams form a triangular structure.
Further, the steel pier assembly comprises vertical steel beams which are symmetrically arranged, and at least two transverse steel beams are welded between the vertical steel beams in parallel;
rectangular steel plate beams are welded at the joints of the two ends of the upper transverse steel beam and the vertical steel beam;
a polygonal steel plate beam is welded in the middle of the lower transverse steel beam;
the steel beams are welded between the polygonal steel plate beam and the two rectangular steel plate beams, and the two connecting steel beams and the upper transverse steel beam jointly enclose a triangular structure.
Further, the steel pier assembly comprises vertical steel beams which are symmetrically arranged, and at least three transverse steel beams are welded among the vertical steel beams in parallel;
rectangular steel plate beams are welded at the joints of the two ends of the upper transverse steel beam and the vertical steel beam;
the middle part of the lower transverse steel beam is welded with a multi-edge steel plate beam;
rectangular steel plate beams are welded at the joints of the two ends of the middle transverse steel beam and the vertical steel beam, and polygonal steel plate beams are welded at the middle part;
the steel beams are welded between the polygonal steel plate beam and the two rectangular steel plate beams, and the two connecting steel beams and the upper or middle transverse steel beam jointly form a triangular structure.
Further, the steel beam box assembly comprises a fully-closed steel beam box, a hollow steel beam box, a reinforced steel beam box and an extension steel beam box, wherein the reinforced steel beam box is arranged at the position where the long-span steel bridge is connected with the steel pier assembly and the bridge pier;
a plurality of extension steel beam boxes are arranged at two ends of the long span steel bridge close to the steel pier assembly, and extension parts of the extension steel beam boxes form a viewing platform;
the middle part of the long-span steel bridge is sequentially provided with the totally-enclosed steel beam boxes and the hollow steel beam boxes at equal intervals.
Furthermore, the cross sections of the transverse steel beams and the connecting steel beams are of I-shaped structures.
Further, set up a plurality of vertical stiffening ribs on strengthening the steel beam case.
Further, concrete, insulation boards, epoxy mortar and pavement bricks are sequentially paved on the surface of the long-span steel bridge from inside to outside;
the large-span steel bridge using the steel pier component has the following advantages that: the advantages of the structural mechanical properties are exerted, the materials are fully utilized, and the usage amount of the materials is reduced; the assembled structure has the advantages of high construction speed and high construction quality, and effectively shortens the construction period of the bridge; the composite material has good bearing capacity under the action of destructive earthquakes, is convenient and fast to construct and has good comprehensive economic performance.
Drawings
Fig. 1 is a front view of a large-span steel bridge using a steel pier assembly according to the present invention.
Fig. 2 is a side view of a large span steel bridge using steel pier assemblies according to the present invention.
Fig. 3 is a front view of the steel pier assembly of example 1.
Fig. 4 is a side view of the steel pier assembly of example 1.
Fig. 5 is a front view of the steel pier assembly of example 2.
Fig. 6 is a side view of the steel pier assembly of example 2.
Fig. 7 is a top view of the internal structure of a large-span steel bridge using the steel pier assembly according to the present invention.
Fig. 8 is a top view of a large span steel bridge using the steel pier assembly of the present invention.
Fig. 9 is a structural schematic view of a totally enclosed steel girder box of a large span steel bridge using a steel pier assembly according to the present invention.
Fig. 10 is a partial enlarged view of fig. 9 at a.
Fig. 11 is a schematic structural view of a hollow steel girder box of a long span steel bridge using a steel pier assembly according to the present invention.
Fig. 12 is a schematic structural view of a reinforced steel girder box of a long span steel bridge using a steel pier assembly according to the present invention.
Fig. 13 is a first structural view of an extended steel girder box of a long-span steel bridge using the steel pier assembly according to the present invention.
Fig. 14 is a second structural view of an extended steel girder box of a long span steel bridge using a steel pier assembly according to the present invention.
Fig. 15 is a third structural schematic view of an extended steel girder box of a large span steel bridge using a steel pier assembly according to the present invention.
The notation in the figure is: 1. a large span steel bridge; 101. totally-enclosed steel beam boxes; 102. a hollow steel beam box; 103. reinforcing the steel beam box; 104. extending the steel beam box; 2. a mall; 3. a bridge pier; 4. a steel pier component; 401. a vertical steel beam; 402. a transverse steel beam; 403. a rectangular steel plate beam; 404. a multi-edge steel plate beam; 405. connecting the steel beams; 5. concrete; 6. a thermal insulation board; 7. epoxy mortar; 8. a pavement brick; 9. a viewing platform; 10. vertical stiffeners.
Detailed Description
For a better understanding of the objects, structure and function of the present invention, a steel bridge for large span using steel pier components will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-15, according to the long-span steel bridge using the steel pier component 4, two ends of the long-span steel bridge 1 are respectively and fixedly connected with two shopping malls 2, the middle of the long-span steel bridge is supported by a pier 3, the steel pier component 4 is further respectively arranged at the connection part of the two shopping malls 2 and the long-span steel bridge 1, the top end of the steel pier component 4 is fixedly connected with the bottom end of the long-span steel bridge 1, and the bottom end of the steel pier component 4 is buried in the ground;
the long span steel bridge 1 consists of steel beam box assemblies which are arranged side by side in sequence and has an asymmetric structure;
the steel pier component 4 comprises vertical steel beams 401 symmetrically arranged, transverse steel beams 402 are welded between the vertical steel beams 401, two connecting steel beams 405 are welded between two adjacent transverse steel beams 402, and the two connecting steel beams 405 and the transverse steel beams 402 at the upper ends of the connecting steel beams 405 form a triangular structure.
In the embodiment, the steel beam box assembly comprises a fully-closed steel beam box 101, a hollow steel beam box 102, a reinforced steel beam box 103 and an extension steel beam box 104, wherein the reinforced steel beam box 103 is arranged at the position where the large-span steel bridge 1 is connected with the steel pier assembly 4 and the bridge pier 3;
a plurality of extension steel beam boxes 104 are arranged at two ends of the long-span steel bridge 1 close to the steel pier component 4, and the extension parts of the plurality of extension steel beam boxes 104 form a viewing platform 9;
the middle part of the large-span steel bridge 1 is sequentially provided with the totally-enclosed steel beam boxes 101 and the hollow steel beam boxes 102 at equal intervals.
In the present embodiment, the cross-sections of the transverse steel beams 402 and the connecting steel beams 405 are i-shaped structures.
In the present embodiment, a plurality of vertical stiffeners 10 are provided on the reinforcing steel beam box 103.
In the embodiment, concrete 5, an insulation board 6, epoxy mortar 7 and pavement bricks 8 are sequentially paved on the surface of the large-span steel bridge 1 from inside to outside.
Example 1:
the steel pier component 4 comprises vertical steel beams 401 which are symmetrically arranged, and at least two transverse steel beams 402 are welded between the vertical steel beams 401 in parallel;
rectangular steel plate girders 403 are welded at the joints of the two ends of the upper transverse steel girder 402 and the vertical steel girders 401;
a polygonal steel plate beam 404 is welded in the middle of the lower transverse steel beam 402;
the steel beams 405 are welded between the polygonal steel plate beam 404 and the two rectangular steel plate beams 403, and the two connecting steel beams 405 and the upper transverse steel beam 402 form a triangular structure together.
Example 2:
the steel pier component 4 comprises vertical steel beams 401 which are symmetrically arranged, and at least three transverse steel beams 402 are welded among the vertical steel beams 401 in parallel;
rectangular steel plate beams 403 are welded at the joints of the two ends of the upper transverse steel beam 402 and the vertical steel beams 401;
a polygonal steel plate beam 404 is welded in the middle of the lower transverse steel beam 402;
rectangular steel plate beams 403 are welded at the joints of the two ends of the middle transverse steel beam 402 and the vertical steel beam 401, and a polygonal steel plate beam 404 is welded in the middle;
the steel beams 405 are welded between the polygonal steel plate beam 404 and the two rectangular steel plate beams 403, and the two connecting steel beams 405 and the upper or middle transverse steel beam 402 form a triangular structure together.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (7)
1. A large-span steel bridge using steel pier components is characterized in that two ends of a large-span steel bridge (1) are respectively and fixedly connected with two shopping malls (2), and the middle of the large-span steel bridge is supported by piers (3), the steel pier components (4) are further respectively arranged at the joints of the two shopping malls (2) and the large-span steel bridge (1), the top ends of the steel pier components (4) are fixedly connected with the bottom end of the large-span steel bridge (1), and the bottom ends of the steel pier components (4) are embedded into the ground;
the large-span steel bridge (1) consists of steel beam box assemblies which are sequentially arranged side by side and has an asymmetric structure;
the steel pier component (4) comprises vertical steel beams (401) which are symmetrically arranged, transverse steel beams (402) are welded between the vertical steel beams (401), two connecting steel beams (405) are welded between two adjacent transverse steel beams (402), and the two connecting steel beams (405) and the transverse steel beams (402) on the upper ends of the connecting steel beams form a triangular structure.
2. The large span steel bridge using the steel pier assembly according to claim 1, wherein the steel pier assembly (4) comprises vertical steel beams (401) which are symmetrically arranged, and two transverse steel beams (402) are welded in parallel between the vertical steel beams (401);
rectangular steel plate beams (403) are welded at the joints of the two ends of the upper transverse steel beam (402) and the vertical steel beam (401);
the middle part of the lower transverse steel beam (402) is welded with a multi-edge steel plate beam (404);
the steel beams (405) are welded between the polygonal steel plate beam (404) and the two rectangular steel plate beams (403), and the two connecting steel beams (405) and the upper transverse steel beam (402) jointly form a triangular structure.
3. The large-span steel bridge using the steel pier assembly according to claim 1, wherein the steel pier assembly (4) comprises vertical steel beams (401) which are symmetrically arranged, and at least three transverse steel beams (402) are welded among the vertical steel beams (401) in parallel;
rectangular steel plate beams (403) are welded at the joints of the two ends of the upper transverse steel beam (402) and the vertical steel beam (401);
the middle part of the lower transverse steel beam (402) is welded with a multi-edge steel plate beam (404);
rectangular steel plate beams (403) are welded at the joints of the two ends of the middle transverse steel beam (402) and the vertical steel beam (401), and polygonal steel plate beams (404) are welded at the middle part;
the steel beams (405) are welded between the polygonal steel plate beam (404) and the two rectangular steel plate beams (403), and the two connecting steel beams (405) and the upper or middle transverse steel beam (402) jointly form a triangular structure.
4. The long-span steel bridge using the steel pier assembly according to claim 1, wherein the steel girder box assembly comprises a fully-enclosed steel girder box (101), a hollow steel girder box (102), a reinforced steel girder box (103) and an extended steel girder box (104), and the reinforced steel girder box (103) is arranged at a position where the long-span steel bridge (1) is connected with the steel pier assembly (4) and the pier (3);
a plurality of extension steel beam boxes (104) are arranged at two ends, close to the steel pier assembly (4), of the long-span steel bridge (1), and extension parts of the extension steel beam boxes (104) form a viewing platform (9);
the middle part of the large-span steel bridge (1) is sequentially provided with a totally-enclosed steel beam box (101) and a hollow steel beam box (102) at equal intervals.
5. The long span steel bridge using the steel pier assembly according to claim 2 or 3, wherein the cross-section of the transverse steel girder (402) and the connecting steel girder (405) is an I-shaped structure.
6. A large span steel bridge using steel pier assemblies according to claim 2 or 3, characterized in that a plurality of vertical stiffeners (10) are provided on the reinforced steel beam box (103).
7. The long-span steel bridge using the steel pier assembly according to claim 1, wherein concrete (5), an insulation board (6), epoxy mortar (7) and pavement bricks (8) are sequentially paved on the surface of the long-span steel bridge (1) from inside to outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121425151.3U CN216891919U (en) | 2021-06-25 | 2021-06-25 | Large-span steel bridge using steel pier assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121425151.3U CN216891919U (en) | 2021-06-25 | 2021-06-25 | Large-span steel bridge using steel pier assembly |
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| Publication Number | Publication Date |
|---|---|
| CN216891919U true CN216891919U (en) | 2022-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121425151.3U Active CN216891919U (en) | 2021-06-25 | 2021-06-25 | Large-span steel bridge using steel pier assembly |
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| CN (1) | CN216891919U (en) |
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2021
- 2021-06-25 CN CN202121425151.3U patent/CN216891919U/en active Active
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