Separated main beam section structure of composite function bridge

Abstract

The utility model provides a composite function bridge separation type girder section structure which comprises two steel box girder main boxes, two steel box girder cantilevers, two triangular truss type hollow partition plates, a cross beam between the boxes, pipe grooves in the boxes and pipelines, and the triangular truss type hollow partition plates are arranged in the two steel box girder main boxes; the in-box pipe groove is formed in the triangular truss type hollow partition plate; a pipeline is arranged between the two steel box girder main boxes; the inter-box cross beam is connected with the two steel box girder main boxes and is used for supporting the pipeline; the two steel box girder cantilevers and the two steel box girder main boxes are welded into a whole or connected through bolts. According to the scheme of the bridge section structure with the composite function, the pipelines can be arranged and fixed on the bridge in a hidden mode through the bridge section structure, the influence on bridge landscapes such as a beam bridge, an arch bridge, a cable-stayed bridge and a suspension bridge is reduced, the influence on pedestrian vision is reduced, and high economical efficiency, attractiveness, safety and ingeniousness are achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of bridge engineering, and in particular relates to a separated main beam section structure of a composite functional bridge. Background Art

[0002] When multiple crossing demands appear at the same time, it is an efficient and economical approach to integrate multiple functions and build bridges with composite functions in line with the concept of green intensiveness. While carrying out functional integration, the mutual influence between traffic, pipelines and landscape should be fully considered. The integration of bridge landscape and traffic functions is often easier to achieve. When integrating pipelines, especially the integration of multiple and large pipelines at the same time, it will have a greater impact on the bridge landscape. Measures need to be taken to minimize pipeline leakage. The box-shaped main beam of the bridge can accommodate some pipelines that have little impact on each other. When the impact between pipelines is more prominent, such as water and electricity pipelines, there will be greater safety hazards if they are placed in the box at the same time. Therefore, the water and electricity pipelines need to be arranged separately outside and inside the box. At the same time, the water pipeline should be placed outside the box considering leakage.

[0003] In summary, for bridges that integrate traffic, pipelines and landscape functions, the bridge site resources can be intensively utilized to save engineering costs. For bridges with complex functional requirements, it is necessary to take structural measures to reduce the mutual influence between pipelines, between pipelines and traffic, and between pipelines and bridge landscape. This utility model will propose a set of reasonable and feasible cross-section layout plans for complex functional bridge structures. Utility Model Content

[0004] The utility model provides a composite functional bridge separated main beam section structure, which can integrate pipeline, traffic and landscape functions, fully utilize bridge resources, and avoid the impact of pipelines, pipelines and traffic, and pipelines on bridge landscape.

[0005] The technical solution adopted by the utility model to achieve the above-mentioned purpose is: a composite functional bridge separated main beam section structure, including two steel box beam main boxes 11, two steel box beam cantilevers 12, two triangular truss type hollow bulkheads 13, a cross beam between boxes, a pipe groove 15 in the box and a pipeline, the two steel box beam main boxes 11 are both provided with triangular truss type hollow bulkheads 13; the pipe groove 15 in the box is arranged inside the triangular truss type hollow bulkhead 13; the pipeline is arranged between the two steel box beam main boxes 11, the cross beam between boxes connects the two steel box beam main boxes and supports the pipeline; the two steel box beam cantilevers 12 are respectively welded to the two steel box beam main boxes 11 into a whole or connected by bolts.

[0006] Preferably, the pipelines placed in the pipe groove 15 in the box are power pipelines.

[0007] Preferably, the pipelines include thermal heating water pipelines, water supply pipelines, drainage pipelines, gas pipelines and oil pipelines.

[0008] Preferably, the inter-box cross beam is a small inter-box cross beam 14 or a large inter-box cross beam 24, wherein the spacing between the large inter-box cross beams 24 is 8m-24m.

[0009] Preferably, the web of the separated main beam cross-section structure is a straight web, an arc-shaped web or an inclined web, and the web is reinforced with U-ribs, plate ribs, T-ribs or bulb flat steel.

[0010] Preferably, the reinforcements of the top and bottom of the main steel box girder 11 are U-ribs, plate ribs, T-ribs or bulb flat steels.

[0011] Preferably, the rigid box girder of the steel box girder main box 11 is a pure steel box girder or a composite steel box girder composed of a pure steel box girder and concrete.

[0012] Compared with the prior art, the at least one technical solution adopted in the embodiments of this specification can achieve the following beneficial effects:

[0013] (1) The utility model is a scheme that covers the simultaneous arrangement of pipelines, pedestrian paths, non-motorized vehicle lanes, and motor vehicle lanes on a bridge to form a composite functional bridge cross-section structure. The bridge cross-section structure scheme can be used to realize the concealed arrangement and fixation of pipelines on the bridge, reduce the impact on the landscape of bridges such as beam bridges, arch bridges, cable-stayed bridges, and suspension bridges, reduce the impact on pedestrian vision, achieve the functional composite goal of conventional beam-height bridges, achieve intensive and sustainable construction of bridges, and make full use of precious bridge resources.

[0014] (2) The utility model has the advantages of flexibility, intensive economy, and beauty. Through appropriate changes, it can adapt to various bridge sections such as beam bridges, arch bridges, suspension bridges, and cable-stayed bridges. It can use the minimum beam height to achieve multiple composite functions and avoid damaging the bridge landscape. It saves construction costs and makes full use of bridge resources. It has high economy, beauty, safety, and ingenuity. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the drawings without paying creative work.

[0016] Figure 1 It is a structural schematic diagram of the utility model in which the web of the separated main beam cross-section structure is an arc-shaped web and the cross beam between boxes is a small cross beam;

[0017] Figure 2 It is a structural schematic diagram of the separated main beam cross-section structure of the utility model, in which the web is a straight web or an inclined web, and the cross beam between boxes is a small cross beam;

[0018] Figure 3 It is a structural schematic diagram of the utility model in which the web of the separated main beam cross-section structure is an arc-shaped web and the cross beam between boxes is a large cross beam;

[0019] Figure 4 The utility model is a schematic structural diagram of a separated main beam cross-section structure in which the web is a straight web or an inclined web and the inter-box cross beam is a large cross beam.

[0020] Description of Reference Numerals

[0021] 11. Main steel box girder; 12. Cantilever arm of steel box girder; 13. Triangular truss type hollow bulkhead; 14. Small crossbeam between boxes; 15. Pipe groove inside the box; 24. Large crossbeam between boxes; 25. Opening and reinforcement of large crossbeam between boxes; 26. Reinforcement of bottom plate of large crossbeam between boxes. DETAILED DESCRIPTION

[0022] The embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0023] The following describes the implementation methods of the present application through specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the contents disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The present application can also be implemented or applied through other different specific implementation methods, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that, in the absence of conflict, the following embodiments and the features in the embodiments can be combined with each other. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without making creative work belong to the scope of protection of the present application.

[0024] Example 1

[0025] Figure 1 It is a structural schematic diagram of the utility model in which the web of the separated main beam cross-section structure is an arc-shaped web and the cross beam between boxes is a small cross beam; Figure 2The utility model is a structural schematic diagram of a separated main beam cross-section structure in which the web is a straight web or an inclined web, and the cross beam between boxes is a small cross beam. The utility model can adapt to various bridge sections such as beam bridges, arch bridges, suspension bridges, cable-stayed bridges, etc. through appropriate changes. It is suitable for beam bridge main beam cross-section structures with one or more pipelines set up on traffic bridges, and various pipelines and traffic are arranged on the same floor. A composite function bridge separated main beam cross-section structure includes two steel box beam main boxes 11, two steel box beam cantilevers 12, two triangular truss hollow bulkheads 13, cross beams between boxes, pipe grooves 15 in the box, and pipelines. The two steel box girder main boxes 11 are both provided with triangular truss hollow bulkheads 13 to meet the lateral force requirements of the main beam and reserve space for pipeline layout; pipelines are arranged between the two steel box girder main boxes 11, and the pipelines include thermal heating water pipelines, water supply pipelines, drainage pipelines, gas pipelines and oil pipelines; the in-box pipe grooves 15 are arranged inside the triangular truss hollow bulkheads 13, and the pipelines placed in the in-box pipe grooves 15 are power pipelines; to meet the pipeline layout, the main beam is configured as two steel box girder main boxes 11, and the space between the steel box girder main boxes is used to arrange large pipelines. The two steel box girder main boxes 11 are weakly connected by a small crossbeam 14 between the boxes, and the small crossbeam 14 between the boxes also plays the role of supporting the pipeline; the two steel box girder cantilevers 12 are respectively welded to the two steel box girder main boxes 11 into a whole or connected by bolts to increase the width of the bridge deck. In addition, the top and bottom reinforcements of the steel box girder main box 11 are U-ribs, plate ribs, T-ribs or bulb flat steels, and the rigid box girder of the steel box girder main box 11 is a pure steel box girder or a composite steel box girder composed of a pure steel box girder and concrete.

[0026] The specific implementation is as follows: the height of the steel box girder main box 11 is determined by calculation, the width of the bridge deck is determined according to the traffic and pipeline requirements, and then the width of the steel box girder cantilever 12 and the width of the pipeline delivery area are determined, wherein the width of the pipeline delivery area should be greater than the pipeline diameter, and the rod arrangement mode of the triangular truss hollow diaphragm 13 is determined according to the requirements of the pipe groove 15 in the box, the node plate and the rod of the triangular truss hollow diaphragm 13 can be connected to each other by bolting or welding, and the specific form of the pipe groove 15 in the box can be flexibly set according to the pipeline requirements. Through the arrangement of the triangular truss hollow diaphragm 13, the inter-box pipeline delivery area and the pipe groove 15 in the box, sufficient space is reserved for pipeline installation and the impact on the bridge landscape is minimized or completely eliminated, so that a bridge can meet multiple bridge crossing requirements in the most economical way. The pipelines in the box and the pipelines outside the box are arranged separately, which can greatly reduce the mutual influence between pipelines and between pipelines and traffic, and greatly improve safety and comfort. The main beam section structure scheme can make the bridge construction achieve good aesthetics, intensiveness, safety and economy.

[0027] Example 2

[0028] Figure 3It is a structural schematic diagram of the utility model in which the web of the separated main beam cross-section structure is an arc-shaped web and the cross beam between boxes is a large cross beam; Figure 4 The utility model is a schematic diagram of a structure in which the web of the separated main beam section structure is a straight web or an inclined web, and the cross beam between boxes is a large cross beam. The utility model can adapt to various bridge sections such as beam bridges, arch bridges, suspension bridges, cable-stayed bridges, etc. through appropriate changes. It is suitable for beam bridge main beam section structures with one or more pipelines installed on traffic bridges, and various pipelines and traffic are arranged on the same level. A separated main beam section structure of a composite functional bridge includes two steel box beam main boxes 11, two steel box beam cantilevers 12, two triangular truss hollow partitions 13, cross beams between boxes, pipe grooves 15 in the box, pipelines, web openings and stiffening 25 of the large cross beams between boxes, and stiffening 26 of the large cross beams between boxes. The two steel box girder main boxes 11 are both provided with triangular truss hollow bulkhead diaphragms 13 to meet the transverse force requirements of the main beam and reserve space for pipeline layout; pipelines are arranged between the two steel box girder main boxes 11, and the pipelines include thermal heating water pipelines, water supply pipelines, drainage pipelines, gas pipelines and oil pipelines; the inner pipe groove 15 is arranged inside the triangular truss hollow bulkhead 13, and the pipelines placed in the inner pipe groove 15 are power pipelines; in order to meet the pipeline layout, the main beam is arranged into two steel box girder main boxes 11, and the space between the steel box girder main boxes is used as a pipeline. In order to arrange large pipelines, the two steel box girder main boxes 11 are strongly connected by the large cross beam 24 between the boxes. The web of the large cross beam between the boxes has holes 25 to ensure the pipeline to pass through. The spacing of the large cross beam 24 between the boxes in the longitudinal direction of the bridge can be flexibly selected between 8m-24m according to the force requirements and the length of the single section of the pipeline. The bottom plate reinforcement 25 of the large cross beam between the boxes can be selected in the form of T ribs, U ribs, etc., which can also be used as pipeline support; the two steel box girder cantilevers 12 are respectively welded to the two steel box girder main boxes 11 into a whole or connected by bolts to increase the width of the bridge deck. In addition, the reinforcement of the top and bottom of the steel box girder main box 11 is U rib, plate rib, T rib or bulb flat steel, and the rigid box girder of the steel box girder main box 11 is a pure steel box girder or a composite steel box girder composed of a pure steel box girder and concrete.

[0029] The opening size and stiffener 25 of the large cross beam 24 between boxes should be determined according to the size of the pipeline and the force requirements. The bottom plate stiffener 26 of the large cross beam 24 between boxes should be specifically determined in combination with the structural force and pipeline layout. By setting up the triangular truss hollow bulkhead 13, the inter-box pipeline delivery area and the pipe groove 15 inside the box, sufficient space is reserved for pipeline installation and the impact on the bridge landscape is minimized or completely eliminated, so that a bridge can meet multiple bridge crossing requirements in the most economical way. The pipelines inside the box and outside the box are arranged separately, which can greatly reduce the mutual influence between pipelines and between pipelines and traffic, and greatly improve safety and comfort. The main beam section structure scheme can make the bridge construction achieve good aesthetics, intensiveness, safety and economy.

[0030] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable ordinary technicians in the field to understand the content of the utility model and implement it accordingly, and they cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the essence of the content of the utility model should be included in the protection scope of the utility model.

Claims

1. A composite function bridge separated main beam section structure, comprising two steel box beam main boxes (11), two steel box beam cantilevers (12), two triangular truss hollow bulkheads (13), a cross beam between boxes, a pipe groove (15) in the box and pipelines, characterized in that: The two steel box girder main boxes (11) are both provided with triangular truss-type hollow-web partitions (13); the in-box pipe grooves (15) are provided inside the triangular truss-type hollow-web partitions (13); pipelines are provided between the two steel box girder main boxes (11); the inter-box cross beam connects the two steel box girder main boxes and supports the pipelines; the two steel box girder cantilevers (12) are respectively welded to the two steel box girder main boxes (11) into a whole or connected by bolts.

2. The separated main beam section structure according to claim 1, characterized in that: The pipelines placed in the pipe grooves (15) in the box are power pipelines.

3. The separated main beam section structure according to claim 1, characterized in that: The pipelines include thermal heating water pipelines, water supply pipelines, drainage pipelines, gas pipelines and oil pipelines.

4. The separated main beam section structure according to claim 1, characterized in that: The inter-box cross beams are small inter-box cross beams (14) or large inter-box cross beams (24), wherein the spacing between the large inter-box cross beams (24) is 8m-24m.

5. The separated main beam section structure according to claim 1, characterized in that: The web of the separated main beam cross-section structure is a straight web, an arc-shaped web or an inclined web, and the web is reinforced with U ribs, plate ribs, T ribs or bulb flat steel.

6. The separated main beam section structure according to any one of claims 1 to 5, characterized in that: The reinforcements of the top and bottom of the main box of the steel box beam (11) are U ribs, plate ribs, T ribs or bulb flat steel.

7. The separated main beam section structure according to any one of claims 1 to 5, characterized in that: The rigid box beam of the steel box beam main box (11) is a pure steel box beam or a composite steel box beam composed of a pure steel box beam and concrete.

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