Steel approach bridge of steel pipe girder structure

Abstract

The utility model relates to a steel approach bridge of a steel pipe girder structure. The steel approach bridge comprises a steel pipe pile girder, an approach bridge foundation, a bridge deck assembly and a bridge pile connecting assembly. The upper end of the steel pipe pile girder is connected with the bridge deck assembly, and the lower end of the steel pipe pile girder is connected with the approach bridge foundation through the bridge pile connecting assembly; the bridge deck assembly comprises a main beam bridge deck connecting block, the main beam bridge deck connecting block is connected with the side wall of the steel pipe pile main beam, the upper end face of the main beam bridge deck connecting block is connected with a first steel plate, and the two sides of the upper end face of the first steel plate are each connected with a handrail through a reinforcing angle iron. The left side of the girder bridge floor connecting block is connected with a hydroelectric support through first angle iron. The steel approach bridge of the steel pipe girder structure aims to overcome the existing defects, the welding amount of the steel approach bridge in construction is reduced, the production time is shortened, and better integrity is brought to a main body structure.

Description

Technical Field

[0001] The utility model relates to a steel approach bridge with a steel pipe main beam structure. Background Art

[0002] In the construction of wharf projects in recent decades, pedestrian steel approach bridges usually adopt solid or truss structures. The production technology of this type of steel approach bridge is relatively mature, but the production process is complicated, the welding process is cumbersome, and the overall structure has many welds. In addition, the main beam structure of the large-span pedestrian steel approach bridge usually needs to be spliced ​​and welded, and the quality of the welds at the splicing has also become an important factor affecting the steel structure. In addition, in the wharf construction project with a relatively tight construction period, this steel approach bridge structure with a long production cycle has also become an important factor affecting the wharf construction time.

[0003] Therefore, in order to reasonably shorten the production cycle of the steel approach bridge, reduce the welding workload of the entire structure, and improve the integrity of the steel approach bridge, a steel approach bridge with a steel tube main beam structure is proposed. Utility Model Content

[0004] The utility model aims to overcome the existing defects and provide a steel approach bridge with a steel pipe main beam structure, reduce the welding amount of the steel approach bridge during construction, shorten the production time, and bring better integrity to the main structure.

[0005] The technical solution to achieve the above object is: a steel approach bridge with a steel pipe main beam structure, comprising a steel pipe pile main beam, an approach bridge foundation, a bridge deck assembly and a bridge pile connection assembly; the upper end of the steel pipe pile main beam is connected to the bridge deck assembly, and the lower end is connected to the approach bridge foundation through the bridge pile connection assembly;

[0006] The bridge deck assembly includes a main beam bridge deck connection block, the main beam bridge deck connection block is connected to the side wall of the steel pipe pile main beam, the upper end surface of the main beam bridge deck connection block is connected to the first steel plate, and both sides of the upper end surface of the first steel plate are connected to a railing through a reinforcing angle iron; the left side of the main beam bridge deck connection block is connected to the hydropower support through the first angle iron.

[0007] Preferably, the second angle irons are connected to both sides of the main beam bridge deck connecting block, and the first steel plate is connected to the main beam bridge deck connecting block via two of the second angle irons.

[0008] Preferably, the bridge pile connection assembly comprises a foundation steel plate, the foundation steel plate is connected to the approach bridge foundation, the upper end surface of the foundation steel plate is connected to a rubber pad, the upper end of the rubber pad is connected to a steel bottom plate, and the upper end surface of the steel bottom plate is connected to the side wall of the steel pipe pile main beam;

[0009] The two sides of the steel bottom plate are respectively connected with a side steel plate, and the upper ends of the side steel plates are connected with the side walls of the steel pipe pile main beam.

[0010] Preferably, the foundation steel plate is connected to the approach bridge foundation via a first bolt; and the steel bottom plate is connected to the approach bridge foundation via a second bolt.

[0011] Preferably, a rib is provided between the outer side of the railing and the first steel plate.

[0012] Preferably, a patterned steel plate is connected to the upper end surface of the first steel plate.

[0013] Preferably, a steel backing plate is provided between the second bolt and the upper end surface of the steel bottom plate.

[0014] The beneficial effects of the utility model are as follows: the steel approach bridge of the steel pipe main beam structure, by setting the bridge deck assembly and the bridge pile connection assembly, the pedestrian steel approach bridge adopts the steel pipe main beam structure, which greatly reduces the welding amount of the steel approach bridge in the construction, shortens the production time, and also brings better integrity to the main structure of the steel approach bridge. The production cycle is shorter than that of the solid belly or truss structure, reduces the welding of the structure, and at the same time the integrity of the structure is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of a steel approach bridge with a steel tube main beam structure of the utility model.

[0016] In the figure: 1. Steel pipe pile main beam; 2. Foundation steel plate; 3. Steel bottom plate; 4. Steel pad; 5. Side steel plate; 6. Main beam bridge deck connecting block; 7. Second angle iron; 8. First steel plate; 9. Patterned steel plate; 10. Reinforced angle iron; 12. Railing; 13. First angle iron; 14. Rib plate; 15. First bolt; 16. Hydropower support; 17. Approach bridge foundation; 18. Rubber pad; 19. Second bolt. DETAILED DESCRIPTION

[0017] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0018] The utility model will be further described below in conjunction with the accompanying drawings.

[0019] like Figure 1As shown, a steel approach bridge of a steel pipe main beam structure includes a steel pipe pile main beam 1, an approach bridge foundation 17, a bridge deck assembly and a bridge pile connection assembly; the upper end of the steel pipe pile main beam 1 is connected to the bridge deck assembly, and the lower end is connected to the approach bridge foundation 17 through the bridge pile connection assembly; the bridge deck assembly includes a main beam bridge deck connection block 6, the main beam bridge deck connection block 6 is connected to the side wall of the steel pipe pile main beam 1, the upper end surface of the main beam bridge deck connection block 6 is connected to the first steel plate 8, and the upper end surface of the first steel plate 8 is connected to a patterned steel plate 9. A railing 12 is connected to each side of the upper end surface of the first steel plate 8 through a reinforcing angle iron 10; a rib plate 14 is arranged between the outer side of the railing 12 and the first steel plate 8. The left side of the main beam bridge deck connection block 6 is connected to a hydropower bracket 16 through a first angle iron 13. The two sides of the main beam bridge deck connection block 6 are connected to the second angle iron 7, and the first steel plate 8 is connected to the main beam bridge deck connection block 6 through two second angle irons 7.

[0020] Specifically, the bridge pile connection assembly includes a foundation steel plate 2, which is connected to the approach bridge foundation 17, the upper end surface of the foundation steel plate 2 is connected to a rubber pad 18, the upper end of the rubber pad 18 is connected to a steel bottom plate 3, and the upper end surface of the steel bottom plate 3 is connected to the side wall of the steel pipe pile main beam 1; a side steel plate 5 is connected to each side of the steel bottom plate 3, and the upper end of the side steel plate 5 is connected to the side wall of the steel pipe pile main beam 1. The foundation steel plate 2 is connected to the approach bridge foundation 17 through a first bolt 15; the steel bottom plate 3 is connected to the approach bridge foundation 17 through a second bolt 19. A steel pad 4 is arranged between the second bolt 19 and the upper end surface of the steel bottom plate 3.

[0021] Specifically, the steel approach bridge uses steel pipe piles as the main beam structure. The number and size of the steel pipe pile main beam can be adjusted according to the size of the steel approach bridge and the upper load. The connecting structure is welded on the main beam to connect the main beam and the bridge deck structure. The bridge deck is welded with steel plates and the connecting structure. In order to increase the strength of the bridge deck and the connecting structure, a reinforcing angle steel is set between the bridge deck structure and the connecting structure. A railing is set on the bridge deck structure to prevent pedestrians from falling into the water. Hydropower brackets can be set on the side of the steel approach bridge according to needs.

[0022] The steel approach bridge with steel pipe main beam structure adopts steel pipe main beam structure by setting bridge deck components and bridge pile connection components, which greatly reduces the welding amount of steel approach bridge in construction, shortens the production time, and also brings better integrity to the main structure of steel approach bridge. The production cycle is shorter than that of solid belly or truss structure, reduces the welding of structure, and has better integrity of structure.

[0023] The above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model is described in detail with reference to the above embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the above embodiments, or replace some or all of the technical features therein with equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A steel approach bridge with a steel tube main beam structure, characterized in that: It comprises a steel pipe pile main beam (1), a bridge approach foundation (17), a bridge deck assembly and a bridge pile connection assembly; the upper end of the steel pipe pile main beam (1) is connected to the bridge deck assembly, and the lower end is connected to the bridge approach foundation (17) via the bridge pile connection assembly; The bridge deck assembly comprises a main beam bridge deck connection block (6), wherein the main beam bridge deck connection block (6) is connected to the side wall of the steel pipe pile main beam (1), the upper end surface of the main beam bridge deck connection block (6) is connected to a first steel plate (8), and both sides of the upper end surface of the first steel plate (8) are connected to a guardrail (12) via a reinforcing angle iron (10); the left side of the main beam bridge deck connection block (6) is connected to a hydropower support (16) via a first angle iron (13).

2. The steel approach bridge of the steel tube main beam structure according to claim 1, characterized in that: The two sides of the main beam bridge deck connection block (6) are connected to second angle irons (7), and the first steel plate (8) is connected to the main beam bridge deck connection block (6) via two of the second angle irons (7).

3. The steel approach bridge of the steel tube main beam structure according to claim 1, characterized in that: The bridge pile connection assembly comprises a foundation steel plate (2), the foundation steel plate (2) is connected to the approach bridge foundation (17), the upper end surface of the foundation steel plate (2) is connected to a rubber pad (18), the upper end of the rubber pad (18) is connected to a steel bottom plate (3), and the upper end surface of the steel bottom plate (3) is connected to the side wall of the steel pipe pile main beam (1); The two sides of the steel bottom plate (3) are each connected to a side steel plate (5), and the upper ends of the side steel plates (5) are connected to the side walls of the steel pipe pile main beam (1).

4. The steel approach bridge of the steel tube main beam structure according to claim 3 is characterized in that: The foundation steel plate (2) is connected to the approach bridge foundation (17) via a first bolt (15); and the steel bottom plate (3) is connected to the approach bridge foundation (17) via a second bolt (19).

5. The steel approach bridge of the steel tube main beam structure according to claim 1, characterized in that: A rib plate (14) is provided between the outer side of the railing (12) and the first steel plate (8).

6. The steel approach bridge of the steel tube main beam structure according to claim 1, characterized in that: The upper end surface of the first steel plate (8) is connected to a patterned steel plate (9).

7. The steel approach bridge of the steel tube main beam structure according to claim 4, characterized in that: A steel backing plate (4) is provided between the second bolt (19) and the upper end surface of the steel bottom plate (3).

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