Pedestrian bridge pier beam structure of fish spine beam steel structure

Abstract

The utility model discloses a fishbone beam steel structure pedestrian bridge pier beam structure, which comprises a top plate extending along a first direction, the top plate comprises two edge webs oppositely arranged along a second direction, and the first direction is intersected with the second direction; the box girder is fixedly arranged on the lower surface of the top plate and comprises two inclined webs and a bottom plate, the inclined webs and the bottom plate surround to form a box chamber, and reinforcing columns corresponding to the pier columns are arranged in the box chamber; the cantilever plate is arranged on one side of the inclined web plate and is fixedly connected with the adjacent edge web plate; and the pier column is fixedly arranged on the bottom plate. The cross-shaped partition plates in the box chamber, the cylindrical haunches in the box chamber, the pier columns and the stiffening ribs in the box chamber are combined and welded, the pier beam consolidation effectiveness is guaranteed, the connection structure and the top end stand column are prefabricated together in a factory and are subjected to butt welding with the lower end stand column after being transported to the site, the structure is simple, construction is convenient, and construction cost is low. The problem that the landscape is influenced by the solidification stiffening exposure of the pedestrian bridge pier beam is solved, and the overall landscape effect of the bridge is improved.

Description

TECHNICAL FIELD

[0001] The utility model generally relates to bridge construction technical field, concretely relates to a fish ridge beam steel structure footbridge pier beam structure. BACKGROUND

[0002] At present, the footbridge can solve the traffic congestion problem, provide the passage for people's walking, not occupy the useful space, relieve the traffic pressure and play an important role in many aspects under the various environments of city, countryside and wharf. Also provide convenience for the pedestrian when passing the road, and the safety is guaranteed.

[0003] In the construction of the footbridge, the simple structure and the beautiful shape are often the key point and the highlight of the bridge design, and the traditional footbridge pier beam solid structure is generally cast in place, and the manpower and the time consumed in the construction process are more, in addition, the existing footbridge pier beam solid structure mostly adopts the welding stiffening rib outside the pier beam connecting place, which greatly influences the appearance effect of the bridge. UTILITY MODEL CONTENTS

[0004] In view of the above defects or deficiencies in the prior art, it is expected to provide a fish ridge beam steel structure footbridge pier beam structure, which can ensure the safety of the pier beam solid structure, and the structure is simple and beautiful, and the construction is convenient and reliable.

[0005] The application provides a fish ridge beam steel structure footbridge pier beam structure, which comprises:

[0006] A top plate extends in a first direction, and the top plate comprises two edge webs oppositely arranged in a second direction, and the first direction intersects the second direction;

[0007] A box girder is fixedly arranged below the top plate, the box girder comprises two inclined inclined webs and a bottom plate, the inclined webs and the bottom plate surround a box chamber, and a reinforcing column corresponding to a pier column is arranged in the box chamber;

[0008] A cantilever plate is arranged on one side of the inclined web and fixedly connected with the adjacent edge web;

[0009] A pier column is fixedly arranged on the bottom plate.

[0010] Optionally, a reinforcing partition plate is fixedly connected with the reinforcing column in the box chamber, the reinforcing partition plate passes through the center of the reinforcing column in the second direction and is fixedly connected with the two inclined webs.

[0011] Optionally, a stiffening partition plate is fixedly connected with the reinforcing column in the box chamber, and the stiffening partition plate is fixedly connected with the reinforcing partition plate in the first direction and passes through the pipe wall of the reinforcing column.

[0012] Optionally, a through hole is arranged on the bottom plate and communicates the reinforcing column and the pier column, and a diameter of the through hole is less than a diameter of the pier column.

[0013] Optionally, at least one reinforcing haunch plate is arranged on an inner wall surface of the pier column and extends from the inner wall surface of the pier column to the inner wall surface of the reinforcing column, and an avoiding opening is arranged on the reinforcing haunch plate to avoid the bottom plate.

[0014] Optionally, at least one reinforcing haunch plate is arranged on an inner wall surface of the pier column and extends from the inner wall surface of the pier column to the inner wall surface of the reinforcing column, and an avoiding opening is arranged on the reinforcing haunch plate to avoid the bottom plate.

[0015] Optionally, at least one first rib plate extending in a first direction and / or at least one second rib plate extending in a second direction is arranged in the box chamber, and the first rib plate does not contact the reinforcing column and the second rib plate does not contact the reinforcing column.

[0016] Optionally, at least one third rib plate extending in a first direction and / or at least one fourth rib plate extending in a second direction is arranged in the box chamber, and the third rib plate does not contact the reinforcing column and the fourth rib plate does not contact the reinforcing column.

[0017] Optionally, the inclined web plate is inclined from a side away from the center of the top plate to a side close to the center of the bottom plate, and at least one web rib is arranged in the box chamber.

[0018] Optionally, the cantilevered arm plate comprises a first end close to the edge web plate and a second end close to the inclined web plate, and a height of the first end is less than a height of the second end.

[0019] The technical scheme provided by the embodiment of the utility model can have the following beneficial effects:

[0020] The utility model discloses a large cantilevered fishback beam steel structure footbridge pier beam fixed structure, through the combination welding of the cross partition plate in the box chamber, the cylindrical haunch in the box chamber, the stiffening rib in the pier column and the box chamber, the effectiveness of the pier beam consolidation is guaranteed, the connecting structure is prefabricated together with the top end stand in the factory, and after being transported to the site, the lower end stand is butt welded, the structure is simple, and the construction is convenient, the problem that the appearance of the pier beam consolidation stiffening is exposed and influences the landscape is solved, and the overall landscape effect of the bridge is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of the non-restrictive embodiments made with reference to the accompanying drawings:

[0022] Figure 1 A cross section schematic view of a fishback beam steel structure pier beam structure provided by the embodiment of the utility model;

[0023] Figure 2 A cross section schematic view of the fishback beam steel structure pier beam structure provided by the embodiment of the utility model; Figure 1 A cross section schematic view of the fishback beam steel structure pier beam structure provided by the embodiment of the utility model;

[0024] Figure 3 A cross section schematic view of the fishback beam steel structure pier beam structure provided by the embodiment of the utility model; Figure 1 A cross section schematic view of the fishback beam steel structure pier beam structure provided by the embodiment of the utility model;

[0025] Figure 4 A cross section schematic view of the fishback beam steel structure pier beam structure provided by the embodiment of the utility model; Figure 1 A cross section schematic view of the fishback beam steel structure pier beam structure provided by the embodiment of the utility model;

[0026] Figure 5 A cross section schematic view of the fishback beam steel structure pier beam structure provided by the embodiment of the utility model;

[0027] Figure 6 A cross section schematic view of the fishback beam steel structure pier beam structure provided by the embodiment of the utility model;

[0028] Figure 7 A cross section schematic view of the fishback beam steel structure pier beam structure provided by the embodiment of the utility model;

[0029] Figure 8 A cross section schematic view of the fishback beam steel structure pier beam structure provided by the embodiment of the utility model.

[0030] In the drawings,

[0031] 100, top plate; 110, edge web;

[0032] 200, box beam; 210, inclined web; 220, bottom plate; 230, box chamber; 240, reinforcing column; 250, reinforcing partition; 260, stiffened partition; 271, first rib plate; 272, second rib plate; 273, third rib plate; 274, fourth rib plate; 275, web rib;

[0033] 300, cantilever plate;

[0034] 400, pier column; 410, reinforcing armpit plate; 420, stiffened armpit plate;

[0035] X, first direction; Y, second direction. DETAILED DESCRIPTION

[0036] The utility model will be further described in detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the related invention, and are not limited to the invention. In addition, it should be noted that only the parts related to the invention are shown in the drawings for ease of description.

[0037] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict. The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0038] Please see Figures 1-4 The application provides a fishback steel structure pedestrian bridge pier beam structure, which comprises:

[0039] A top plate 100 extends along a first direction X, and the top plate 100 comprises two edge webs 110 oppositely arranged along a second direction Y, and the first direction X intersects the second direction Y.

[0040] A box girder 200 is fixedly arranged on the lower surface of the top plate 100, and the box girder 200 comprises two inclined inclined webs 210 and a bottom plate 220, the inclined web 210 and the bottom plate 220 surround a box chamber 230, and a reinforcing column 240 corresponding to a pier column 400 is arranged in the box chamber 230.

[0041] A cantilever plate 300 is arranged on one side of the inclined web 210 and fixedly connected with the adjacent edge web 110.

[0042] The pier column 400 is fixedly arranged on the bottom plate 220.

[0043] It should be noted that the pedestrian bridge pier beam structure can extend in a straight line or in a curved line, so when the pedestrian bridge pier beam structure extends in a straight line, the first direction X is the straight line extension direction of the pedestrian bridge pier beam structure, when the pedestrian bridge pier beam structure extends in a curved line, the first direction X is the tangential direction of the extension direction of the pedestrian bridge pier beam structure, and the second direction Y can be perpendicular to the first direction X or at other angles, which is not limited in the application, and the first direction X and the second direction Y are perpendicular in the application.

[0044] In order to ensure the effectiveness of the pier beam consolidation, various reinforcing structures are arranged inside the box chamber 230 in the embodiment, for example, the box chamber 230 inside the cross partition, the box chamber 230 inside the cylindrical haunch, the pier column 400 and the box chamber 230 inside the stiffening rib are combined and welded, so as to ensure the effectiveness of the pier beam consolidation, the connecting structure is precast in the factory together with the top end column, and after being transported to the site, the lower end column is butt welded, so as to solve the problem that the exposed reinforcement of the pedestrian bridge pier beam consolidation affects the landscape and improve the overall landscape effect of the bridge.

[0045] In the embodiment, the shape and size of the reinforcing column 240 can be consistent with the shape and size of the pier column 400, and the axes correspond. By pre-providing the reinforcing column 240 inside the box chamber 230, the strength of the box girder 200 in the axial direction of the pier column 400 can be ensured, the structural strength of the bridge is improved, the installation mode is simplified, the construction is convenient, and the installation effect is improved.

[0046] In specific embodiments, the box chamber 230 is provided with a reinforcing partition plate 250 fixedly connected with the reinforcing column 240, the reinforcing partition plate 250 passes through the center of the reinforcing column 240 along the second direction Y and is fixedly connected with the two side inclined webs 210. The box chamber 230 is provided with a stiffening partition plate 260 fixedly connected with the reinforcing column 240, the stiffening partition plate 260 passes through the pipe wall of the reinforcing column 240 along the first direction X and is fixedly connected with the reinforcing partition plate 250.

[0047] In the embodiment, the reinforcing partition plate 250 and the stiffening partition plate 260 form a cross-shaped reinforcing structure, which can improve the reinforcing performance of the bridge structure. In the embodiment, the reinforcing partition plate 250 and the stiffening partition plate 260 can be respectively welded with the top plate 100 and the bottom plate 220 at the upper and lower ends, the reinforcing partition plate 250 can be welded with the inclined web 210 at the two ends along the second direction Y, and the stiffening partition plate 260 can be welded with other structural members at the two ends along the first direction X, for example, the stiffening partition plate 260 can be welded with the first rib plate 271.

[0048] In addition, in the embodiment, the reinforcing partition plate 250 and the stiffening partition plate 260 are welded with the reinforcing column 240 when passing through the pipe wall of the reinforcing column 240. In specific implementation, the pipe wall of the reinforcing column 240 is provided with a gap for the reinforcing partition plate 250 and the stiffening partition plate 260 to pass through, as shown in FIG. 6, the reinforcing partition plate 250 continuously extends along the second direction Y; as shown in FIG. 7, the stiffening partition plate 260 is located on the two sides of the reinforcing partition plate 250 and is welded with the reinforcing partition plate 250 after passing through the reinforcing column 240. Figure 5 Figure 6

[0049] The bottom plate 220 is provided with a through hole communicating the reinforcing column 240 and the pier column 400, and the diameter of the through hole is smaller than the diameter of the pier column 400. Through this arrangement, the welding of the box girder 200 and the pier column 400 is facilitated, and the mechanical transmission between the reinforcing column 240 and the pier column 400 and the arrangement of other reinforcing structures are facilitated.

[0050] In the embodiment of the application, Figure 1 In order to Figure 3 the cross-sectional view at D-D in FIG. 5, please refer to Figure 1 , 7 ​​The inner wall surface of the pier column 400 is fixed with at least one reinforcing web plate 410 arranged along the radial direction of the pier column 400, the reinforcing web plate 410 extends from the inner wall surface of the pier column 400 to the inner wall surface of the reinforcing column 240, and the reinforcing web plate 410 is provided with a avoiding hole for avoiding the bottom plate 220.

[0051] The inner wall surface of the pier column 400 is fixed with at least one reinforcing web plate 410 arranged along the radial direction of the pier column 400, the reinforcing web plate 410 extends from the inner wall surface of the pier column 400 to the inner wall surface of the reinforcing column 240, and the reinforcing web plate 410 is provided with a avoiding hole for avoiding the bottom plate 220. Figure 8 As shown in the figure, the reinforcing web plate 420 does not coincide with the position of the reinforcing web plate 410, and the reinforcing web plate 420 extends to the end surface of the pier column 400.

[0052] It should be noted that in the embodiments of the present application, the number and distribution of the reinforcing web plate 410 and the reinforcing web plate 420 are not limited, and can be adjusted according to needs in different embodiments. The reinforcing web plate 410 can be welded with the reinforcing column 240 and the pier column 400 respectively, and in other embodiments, the reinforcing web plate 410 can also be welded with the bottom plate 220 when passing through the bottom plate 220. The reinforcing web plate 420 can also be welded with the bottom plate 220 when extending to the position of the bottom plate 220, which is not limited by the present application.

[0053] In the embodiments of the present application, the bottom plate 220 is provided with at least one first rib plate 271 extending along the first direction X and / or at least one second rib plate 272 extending along the second direction Y in the box chamber 230, and the first rib plate 271 and the second rib plate 272 are not in contact with the reinforcing column 240. The top plate 100 is provided with at least one third rib plate 273 extending along the first direction X and / or at least one fourth rib plate 274 extending along the second direction Y in the box chamber 230, and the third rib plate 273 and the fourth rib plate 274 are not in contact with the reinforcing column 240.

[0054] In the embodiments of the present application, along the extension direction of each rib plate, the reinforcing column 240 can be disconnected at the position of the reinforcing column 240, by separately reinforcing the top plate 100 and the bottom plate 220, the stress transmission direction can be controlled, and the performance of the bridge can be improved. Each rib plate can be welded with the two side inclined webs 210 in the extension direction. In the embodiments of the present application, the number and distribution of each rib plate are not limited, and can be set according to needs in different embodiments.

[0055] In the embodiments of the present application, the inclined web plate 210 is inclined from a side away from the center of the top plate 100 to a side close to the center of the bottom plate 220, and the inclined web plate 210 is provided with at least one web rib 275 inside the box chamber 230. Correspondingly, the cantilever plate 300 comprises a first end close to the edge web plate 110 and a second end close to the inclined web plate 210, and the height of the first end is less than the height of the second end.

[0056] In the embodiments of the present application, the interval distance of the cantilever plate 300 and the number of the cantilever plate 300 are not limited, and a plurality of cantilever plates 300 can be arranged in the first direction X to improve the connection strength of the bridge in the second direction Y. The inclined web plate 210 arranged in an inclined manner and the cantilever plate 300 inclined in the height direction can further improve the stress distribution of the bridge and provide stability of the bridge.

[0057] The fishback girder steel structure pedestrian bridge pier girder structure provided in the embodiments of the present application is a single-box single-chamber thin-walled structure composed of a bridge deck top plate 100, a bottom plate 220, a web plate, a longitudinal stiffening rib, a transverse partition plate and the like during specific construction. The main girder adopts a steel box girder 200. The box girder 200 is provided with two inclined web plates 210, and the top plate, the bottom plate and the web plate are all stiffened by a linear rib. The main girder and the reinforcing column 240 at the pier girder consolidation position are welded into an integral whole in a factory. Exemplarily, the bridge is a full steel structure bridge, the superstructure adopts a steel box girder 200, the height of the main girder is 1.0 m; the substructure bridge pier adopts a φ800 mm steel pier column 400, the pier girder consolidation position is welded with the main girder, a steel structure bent cap is arranged at the expansion joint position, and the height of the bent cap is 0.75 m; the abutment adopts a counterfort abutment. The bridge pier foundation adopts a φ1200 mm steel pipe pile, and the abutment foundation adopts a φ800 mm steel pipe pile.

[0058] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0059] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise explicitly specified.

[0060] Unless otherwise defined, 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. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of this application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items. As used herein, the term "if' can be construed to mean "when" or "upon" or "in response to the occurrence of" in addition to "in response to the fulfillment or lapse of" unless otherwise indicated.

[0061] While the application has been illustrated and described in typical embodiments, it is not intended to be limited to the details shown, since various modifications and substitutions can be made without departing in any way from the spirit of the present application. As various changes could be made in the above constructions, methods, compositions, and order of elements within the application, it is intended that all such changes only be within the scope of the application claimed. It will be appreciated that details are given by way of example and that variations are possible without departing from the spirit of the application which is defined by the appended claims and their equivalents.

Claims

1. A fishback steel structure footbridge pier beam construction, characterized by, The utility model relates to a box girder structure of a bridge, comprising: a top plate extending along a first direction, the top plate comprising two edge webs oppositely arranged along a second direction, the first direction intersecting the second direction; a box girder fixedly arranged on a lower surface of the top plate, the box girder comprising two obliquely arranged inclined webs and a bottom plate, the inclined webs and the bottom plate surrounding a box chamber, the box chamber being provided with a reinforcing column corresponding to a pier column; a cantilever plate arranged on one side of the inclined web and fixedly connected with the adjacent edge web; a pier column fixedly arranged on the bottom plate.

2. The fishback steel structure footbridge pier beam construction according to claim 1, characterized by, The box chamber is provided with a reinforcing partition plate fixedly connected with the reinforcing column, the reinforcing partition plate passing through the center of the reinforcing column along the second direction and being fixedly connected with the two inclined webs.

3. The fishback steel structure footbridge pier beam construction according to claim 2, characterized by, The box chamber is provided with a stiffening partition plate fixedly connected with the reinforcing column, the stiffening partition plate being fixedly connected with the reinforcing partition plate along the first direction and passing through the wall of the reinforcing column.

4. The fishback steel structure footbridge pier beam construction according to claim 1, characterized by, The bottom plate is provided with a through hole communicating the reinforcing column and the pier column, the diameter of the through hole being smaller than the diameter of the pier column.

5. The fishback steel structure footbridge pier beam construction according to claim 1, characterized by, The inner wall surface of the pier column is fixedly provided with at least one reinforcing web plate arranged along the radial direction of the pier column, the reinforcing web plate extending from the inner wall surface of the pier column to the inner wall surface of the reinforcing column, the reinforcing web plate being provided with an avoiding opening avoiding the bottom plate.

6. The fishback steel structure footbridge pier beam construction according to claim 5, characterized by, The inner wall surface of the pier column is fixedly provided with at least one stiffening web plate arranged along the radial direction of the pier column, the position of the stiffening web plate not coinciding with that of the reinforcing web plate, the stiffening web plate extending to the end surface of the pier column.

7. The fishback steel structure footbridge pier beam construction according to claim 1, characterized by, The bottom plate is provided with at least one first rib plate extending along the first direction and / or at least one second rib plate extending along the second direction in the box chamber, the first rib plate not contacting the reinforcing column and the second rib plate not contacting the reinforcing column.

8. The fishback steel structure footbridge pier beam construction according to claim 1, characterized by, The top plate is provided with at least one third rib plate extending along the first direction and / or at least one fourth rib plate extending along the second direction in the box chamber, the third rib plate not contacting the reinforcing column and the fourth rib plate not contacting the reinforcing column.

9. The fishback steel structure footbridge pier beam construction according to claim 1, characterized by, The inclined web is inclined from a side far away from the center of the top plate to a side close to the center of the bottom plate, the inclined web being provided with at least one web rib inside the box chamber.

10. The fishback steel structure footbridge pier beam construction according to claim 1, characterized by, The cantilever plate comprises a first end close to the edge web and a second end close to the inclined web, the height of the first end being smaller than that of the second end.

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