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Bridge construction method and bridge structure

A bridge construction and bridge structure technology, applied in the direction of bridges, bridge parts, bridge construction, etc., can solve the problems of skewing of cover beams and beam boxes, weak shock absorption performance, difficult comprehensive filtering, etc., to achieve less deformation and damage, shorten construction The effect of strong cycle and structural bearing capacity

Pending Publication Date: 2022-03-18
BEIJING MUNICIPAL ROAD & BRIDGE
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the continuous development of my country's infrastructure, the number of new road bridges is gradually increasing. Due to the influence of the natural environment, the impact of possible geological disasters on road bridges needs to be considered during the construction of road bridges. Once geological disasters, especially earthquakes, occur Therefore, during the construction of highway bridges, it is necessary to add shock absorbing facilities to reduce the vibration of the bridge, and to ensure as much as possible when unexpected impact forces and geological disasters occur. The stability of the bridge improves the safety of the bridge. The existing bridge shock-absorbing facilities have a simple structure, and it is difficult to effectively filter the vibration of the bridge in all directions. The shock-absorbing performance is weak, so there is an urgent need for a bridge construction method and a bridge. structure to solve

Method used

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  • Bridge construction method and bridge structure

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Experimental program
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Embodiment 1

[0034] Refer Figure 1-8 This embodiment provides a bridge construction method, including the following steps:

[0035] Step 1: The prefabricated mounting slot 3 is preserved when the cover beam 1 is reserved;

[0036] Step 2: Install the seismic component to mount the first seismic assembly and the second seismic assembly in the mounting groove 3;

[0037] Step 3: Install the box beam 2, mount the box beam 2 above the second seismic assembly.

[0038] Further optimization scheme, step one, when the pouring beam 1 is poured, the steel sheet is built with the steel sheet for the position of the mounting groove 3, and the steel sheet opposite the side wall of the cassette is supported by the jack, the steel plate thickness is greater than 10 mm, the beam 1 When the pour is completed, the mold is removed, and when the cover beam is installed on site, the jack beam is removed, retain the steel sheet, the steel sheet ensures the strength of the structure of the mounting slot 3, and the ...

Embodiment 2

[0052] Refer Figure 9-11 The difference between the present embodiment and the first embodiment is only that the top plate 34 is fastened to a card block 29, and the card pickup projection 30 is fixed, respectively, and there is a sliding channel in the middle of the bottom surface of the mount 11, respectively. The 32 and the snap groove 33, the sliding passage 32 and the cartridge 33 are connected, the sliding passage 32 cross-sectional shape matches the card connecting block 29 and the card contact projection 30, the sliding passage 32 cross section is spirally rising along the sliding passage 32 The sliding channel 32 section is volatilized from the outlet end position of the sliding passage 32.

[0053] In the process of the mounting seat 11, the inlet end of the sliding passage 32 is fitted with the card attachment block 29 and the cartridge 29 and the cartridge block 29 and the snap projection 30. The card pickup block 29 is rotated by the limit plate 34, and the limit groo...

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Abstract

The invention relates to the technical field of bridges, in particular to a bridge construction method and a bridge structure.The bridge structure comprises a cover beam and a box girder, the cover beam is located below the box girder and used for supporting the box girder, a mounting groove is formed in the top of the cover beam, and first anti-seismic assemblies which are symmetrically arranged are slidably connected to the inner bottom face of the mounting groove; a supporting plate is fixedly connected to the tops of the two first anti-seismic assemblies, a plurality of second anti-seismic assemblies are fixedly connected to the top face of the supporting plate, the tops of the second anti-seismic assemblies are fixedly connected with the box girder, a plurality of first elastic parts are arranged between the first anti-seismic assemblies and the side walls of the mounting grooves, and anti-seismic detection parts are arranged between the tops of the first anti-seismic assemblies and the supporting plate. The purpose of improving the anti-seismic performance of the bridge can be achieved.

Description

Technical field [0001] The present invention relates to the field of bridge technologies, and more particularly to a bridge construction method and a bridge structure. Background technique [0002] With the continuous development of my country's infrastructure industry, the new road bridge has gradually increased. Due to the influence of the natural environment, road bridges need to take into account the impact of geological disasters on highway bridges during construction, once geological disasters, especially earthquakes , The cover beam and the beam box are easily missed or skew, so in the construction of the highway bridge, it is necessary to add a shock absorber facility to reduce the vibration of the bridge, and when the accident impact and geological disaster occurred as much as possible. The stability of the bridge, improves the safety of the bridge, existing bridge shock absorption facilities, simple structure, difficult to effectively comprehensively filter the vibratio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D19/00F16F15/023F16F15/067
CPCE01D19/00F16F15/023F16F15/067Y02A30/30
Inventor 王利伟刘军华马瑞孟凡龙宋敏杜丽妹王宗辉王晓跃王煦
Owner BEIJING MUNICIPAL ROAD & BRIDGE