CN220301147U - Road bridge simply supported beam construction structure - Google Patents

Abstract

The utility model discloses a simple supporting beam construction structure of a road bridge in the related technical field of bridge construction, which comprises supporting foundation piles and supporting piers, wherein the supporting piers are fixedly arranged above the supporting foundation piles, the upper ends of the supporting piers are fixedly connected with supporting bent caps, plate girder main bodies are arranged on the supporting bent caps, plate girder reinforcing ribs are integrally arranged on the ground of the plate girder main bodies, supporting arches are formed between two adjacent plate girder reinforcing ribs, and buffer cavities are formed at the tops in the supporting arches of the plate girder main bodies. The damping shock absorber is arranged between the plate girder main body and the supporting bent cap, the buffer guide post and the damping spring are arranged in the supporting arch of the plate girder main body, so that the plate girder main body has good buffering and shock absorbing capacity, the plate girder reinforcing ribs are arranged below the plate girder main body, the supporting arch is formed between the plate girder reinforcing ribs, and the two end positions of the plate girder main body are of a stepped platform structure, so that the plate girder main body has good structural strength and deformation resistance.

Description

Road bridge simply supported beam construction structure

Technical Field

The utility model belongs to the technical field related to bridge construction, and particularly relates to a construction structure of a simply supported girder of a road bridge.

Background

The simple girder bridge is a bridge with an upper structure composed of main spandrel girders with two ends simply supported on a pier, and belongs to a statically determinate structure, in highway engineering, the upper structure of the simple girder bridge is provided with a concrete girder, a bridge deck pavement layer, a bridge deck waterproof layer, guardrails and the like, wherein the concrete girder is provided with a plate, a ribbed plate girder and a box girder, the plate girder is convenient to construct, has large dead weight and is suitable for a small span bridge, and after the plate girder of the small span bridge is used for a long time, the two ends of the plate girder are easy to warp upwards under the influence of external force and dead weight, so that the pavement is arched, the traffic is influenced, and the patent number: CN201920563714.1 is a municipal road bridge simply supported beam construction structure, be provided with the arch that is isosceles trapezoid shape through the top that sets up the bent cap middle part, and the breach that is right trapezoid shape is all offered to the bottom at both ends about the plate girder, and the breach of plate girder bottom is transition fit with the arch at bent cap top, and the plate girder passes through the breach overlap joint of bottom in one side at bent cap top, be convenient for realize the side direction supporting plate girder through the butt cooperation of protruding and breach, improve the bearing capacity of plate girder, but be rigid connection between bent cap and the plate girder of this structure, antidetonation, shock resistance are relatively poor, simply supported beam uses a period of time, because the foundation subsides, overall structure stability can receive the influence, influence the life of simply supported beam.

The present utility model has been made in view of this.

Disclosure of Invention

The utility model aims to solve the technical problems and overcome the defects of the prior art, and provides a road bridge simply supported beam construction structure, which adopts the following basic conception:

the utility model provides a road bridge simply supported beam construction structure, includes support foundation pile and supports the pier, support the fixed support pier that is provided with in foundation pile top, support the upper end of pier and support bent cap fixed connection, be provided with the plate girder main part on the support bent cap, the ground integral type of plate girder main part is provided with the plate girder strengthening rib, adjacent two be formed with between the plate girder strengthening rib and prop up the arch, the top is provided with the buffering cavity in the support arch of plate girder main part, install the buffering guide pillar in the buffering cavity, install damping spring on the buffering guide pillar.

As a further scheme of the utility model: the support foundation pile is provided with a fixed mounting hole, the fixed mounting hole is used for fixedly mounting the support foundation pile on the ground, and a support groove is formed in the middle position of the bottom surface of the support foundation pile and used for reducing the contact area between the support foundation pile and the ground and improving the mounting stability of the support foundation pile.

As still further aspects of the utility model: the utility model discloses a bridge vibration damping device, including support bent cap, support both sides limit bench of being provided with of both sides limit for right the both sides limit of board beam main part is carried out, the intermediate position of support bent cap is provided with the support clamping bench, the support clamping bench is dislocation step structure, be provided with shock attenuation blotter one on the upper surface of support clamping bench, be used for carrying out effectual shock attenuation buffering to bridge vibration.

As still further aspects of the utility model: the cooperation spliced pole is installed on the first two steps of support block, the both ends of plate girder main part be provided with support block assorted concave ladder, plate girder main part with support between the bent cap carry out spacingly through the cooperation spliced pole, can effectually restrain plate girder main part warp.

As still further aspects of the utility model: the cooperation spliced pole is the reinforcing bar material, the top of buffering cavity is provided with shock attenuation blotter two, damping spring receives after the compression the buffering guide pillar with shock attenuation blotter two contacts, carries out secondary buffering.

As still further aspects of the utility model: the inboard of supporting the bent cap is provided with first mount pad, the board beam main part the below fixed mounting of board beam strengthening rib has the second mount pad, first mount pad with install damping bumper shock absorber between the second mount pad, vibration that can effectually absorb the bridge main part produced.

By adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects.

A damping shock absorber is arranged between a plate girder main body and a supporting bent cap, and a buffer guide post and a damping spring are arranged in a supporting arch of the plate girder main body, so that the plate girder main body has good buffering and shock absorbing capacity.

The plate girder main body is provided with the plate girder reinforcing ribs below, the supporting arches are formed between the plate girder reinforcing ribs, and the two end positions of the plate girder main body are of a stepped platform-shaped structure, so that the plate girder main body has good structural strength and deformation resistance.

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model, without limitation to the utility model. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a side view of the present utility model;

FIG. 4 is an enlarged view of a portion of the utility model at A;

fig. 5 is a partial enlarged view of the present utility model at B.

In the figure: 1-supporting foundation piles; 2-fixing the mounting hole; 3-supporting bridge piers; 4-supporting a bent cap; 5-plate girder body; 6-plate girder reinforcing ribs; 7-supporting arches; 8-side limiting tables; 9-supporting the clamping table; 10-supporting grooves; 11-a first mount; 12-a second mount; 13-a damping shock absorber; 14-a first damping cushion pad; 15-mating connection posts; 16-buffering guide posts; 17-a buffer cavity; 18-a second damping cushion pad; 19-damping spring.

It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.

As shown in fig. 1 to 4, a road bridge simply supported beam construction structure comprises a supporting foundation pile 1 and supporting piers 3, wherein the supporting piers 3 are fixedly arranged above the supporting foundation pile 1, the upper ends of the supporting piers 3 are fixedly connected with supporting bent caps 4, plate girder main bodies 5 are arranged on the supporting bent caps 4, plate girder reinforcing ribs 6 are integrally arranged on the ground of the plate girder main bodies 5, supporting arches 7 are formed between every two adjacent plate girder reinforcing ribs 6, buffer cavities 17 are formed in the tops of the supporting arches 7 of the plate girder main bodies 5, buffer guide columns 16 are arranged in the buffer cavities 17, damping springs 19 are arranged on the buffer guide columns 16, and the plate girder main bodies 5 have good buffering and damping capacity.

Wherein, processing has fixed mounting hole 2 on supporting foundation pile 1 for with supporting foundation pile 1 fixed mounting on subaerial, the bottom surface intermediate position of supporting foundation pile 1 is provided with support recess 10, is used for reducing the area of contact of supporting foundation pile 1 and ground, improves the installation stability of supporting foundation pile 1.

The both sides limit that support the bent cap 4 limit is provided with limit table 8 for limit to the both sides limit of slab beam main part 5, the intermediate position that supports the bent cap 4 is provided with support clamping table 9, and support clamping table 9 is dislocation step structure, is provided with shock attenuation blotter one 14 on the upper surface of support clamping table 9, is used for carrying out effectual shock attenuation buffering to bridge vibrations.

The cooperation spliced pole 15 is installed on the first two steps of support cassette 9, and the both ends of board beam main part 5 are provided with support cassette 9 assorted concave ladder, carry out spacingly through cooperation spliced pole 15 between board beam main part 5 and the support bent cap 4, can effectually restrain board beam main part 5 deformation.

The cooperation spliced pole 15 is the reinforcing bar material, and the top of buffering cavity 17 is provided with shock attenuation blotter two 18, and damping spring 19 receives the compression back buffering guide pillar 16 and shock attenuation blotter two 18 contact, carries out the secondary buffering.

The inboard that supports the bent cap 4 is provided with first mount pad 11, and the below fixed mounting of the board beam strengthening rib 6 of board beam body 5 has second mount pad 12, installs damping bumper shock absorber 13 between first mount pad 11 and the second mount pad 12, can effectually absorb the vibration that the bridge main part produced.

The working principle of the utility model is as follows: the damping shock absorber 13 is arranged between the plate girder main body 5 and the supporting bent cap 4, vibration generated by the bridge main body can be effectively absorbed, the buffer guide posts 16 and the damping springs 19 are arranged in the supporting arch 7 of the plate girder main body 5, meanwhile, the side supporting clamping table 9 of the ladder-shaped structure is arranged at the matching position between the plate girder main body 5 and the supporting bent cap 4, the shock absorbing cushion pad II 18 is arranged on the upper plane of the supporting clamping table 9, the shock absorbing cushion pad II 18 is arranged at the top in the buffer cavity 17, the plate girder main body 5 has good shock absorbing capacity, the plate girder reinforcing ribs 6 are arranged below the plate girder main body 5, the supporting arch 7 is formed between the plate girder reinforcing ribs 6, the two end positions of the plate girder main body 5 are of a ladder-shaped structure, so that the plate girder main body 5 has good structural strength and deformation resistance, and the plate girder main body 4 have good matching stability due to the design of the matching connecting posts 15.

The foregoing description is only illustrative of the preferred embodiment of the present utility model, and is not to be construed as limiting the utility model, but is to be construed as limiting the utility model to any and all simple modifications, equivalent variations and adaptations of the embodiments described above, which are within the scope of the utility model, may be made by those skilled in the art without departing from the scope of the utility model.

Claims (6)

1. The utility model provides a road bridge simply supported beam construction structure, includes support foundation pile (1) and supports pier (3), its characterized in that, support foundation pile (1) top is fixed to be provided with and supports pier (3), the upper end and the support bent cap (4) fixed connection of support pier (3), be provided with plate girder main part (5) on support bent cap (4), the ground integral type of plate girder main part (5) is provided with plate girder strengthening rib (6), adjacent two be formed with between plate girder strengthening rib (6) and prop up arch (7), the top is provided with cushion chamber (17) in the support arch (7) of plate girder main part (5), install buffering guide pillar (16) in cushion chamber (17), install damping spring (19) on buffering guide pillar (16).

2. The construction structure of the road bridge simply supported beam according to claim 1, wherein the support foundation pile (1) is provided with a fixed mounting hole (2), and a support groove (10) is formed in the middle of the bottom surface of the support foundation pile (1).

3. The construction structure of the road bridge simply supported beam according to claim 2, wherein side limiting tables (8) are arranged on two side edges of the supporting bent cap (4), a supporting clamping table (9) is arranged in the middle of the supporting bent cap (4), the supporting clamping table (9) is of a staggered step structure, and a damping buffer cushion I (14) is arranged on the upper surface of the supporting clamping table (9).

4. The construction structure of the road bridge simply supported beam according to claim 3, wherein the matched connecting columns (15) are installed on the first two steps of the supporting clamping table (9), concave steps matched with the supporting clamping table (9) are arranged at two ends of the plate beam main body (5), and limiting is carried out between the plate beam main body (5) and the supporting bent cap (4) through the matched connecting columns (15).

5. The construction structure of the road bridge simply supported beam according to claim 4, wherein the matched connecting column (15) is made of reinforced steel, and a second damping cushion pad (18) is arranged at the top of the buffer cavity (17).

6. The bridge simply supported beam construction structure according to claim 1, wherein a first mounting seat (11) is arranged on the inner side of the supporting bent cap (4), a second mounting seat (12) is fixedly arranged below the plate beam reinforcing rib (6) of the plate beam main body (5), and a damping shock absorber (13) is arranged between the first mounting seat (11) and the second mounting seat (12).