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Method for setting up bent cap form bracket of isolated pier

A technology for covering girders and bridge piers, which is applied in the field of building formwork brackets for independent bridge pier covering beams. It can solve the problems of non-uniform settlement and deformation of supports, affecting the quality of pier covering beams, and large capital investment. It is easy to guarantee the quality and facilitate mastery , The effect of simple construction method

Active Publication Date: 2011-01-05
CHINA RAILWAY NO 3 GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems of long construction period, large capital investment and non-uniform settlement deformation of the erected support affecting the quality of the bridge pier cover beam in the prior art when erecting the bridge pier cover beam, the present invention provides a formwork bracket for the independent bridge pier cover beam build method

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  • Method for setting up bent cap form bracket of isolated pier
  • Method for setting up bent cap form bracket of isolated pier
  • Method for setting up bent cap form bracket of isolated pier

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Embodiment Construction

[0016] The construction method of the independent bridge pier cap beam formwork bracket includes the following steps:

[0017] In the first step, the first hinge mounting seat 6 and the second hinge mounting seat are respectively welded on the outer middle part of the lower hoop 3 composed of two semi-circular steel plates, and respectively welded on the outer middle part of the upper hoop 2 composed of two semi-circular steel plates. Weld the supporting seat of the front main beam 1 and the supporting seat of the rear main beam, respectively weld the third hinge mounting seat 7 and the fourth hinge mounting seat 8 under the left and right ends of the front main beam 1, and weld the third hinge mounting seat 7 and the fourth hinge mounting seat 8 at the left and right ends of the rear main beam Next, weld the fifth hinge mounting seat and the sixth hinge mounting seat respectively;

[0018] In the second step, the two semi-annular lower hoops 3 are formed in the middle of the ...

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PUM

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Abstract

The invention belongs to the technical field of concrete casting construction of the lower part structure of bridge works, in particular to a method for setting up a bent cap form bracket of an isolated pier, solving the problem of the traditional bracket setting method, such as long construction period, large investment and deformation influence on quality. In the method for setting up a bent cap form bracket of an isolated pier, a first hinge installment base and a second hinge installment base are welded on a lower anchor ear, a third hinge installment base and a fourth installment base are welded on a front main beam, a fifth hinge installment base and a sixth hinge installment base are welded on a rear main beam, a front left inclined supporting beam is connected with the first hinge installment base and the third hinge installment base, a front right inclined supporting beam is connected with the first hinge installment base and the fourth hinge installment base, a rear left inclined supporting beam is connected with the second hinge installment base and the fifth hinge installment base, a rear right inclined supporting beam is connected with the second hinge installment base and the sixth hinge installment base, bent bottom boards and supports are arranged. The method for setting up a bent cap form bracket of an isolated pier has the advantages of simple construction method and high repeatability and can be mastered by operators easily; in addition, the method also has the advantages of short construction period, and required construction members are produced in factories, therefore, the quality of the construction members can be ensured.

Description

technical field [0001] The invention belongs to the technical field of concrete pouring construction of the lower structure of bridge engineering, and in particular relates to a method for building formwork brackets of independent bridge pier cap beams. Background technique [0002] In the process of building bridges, the construction method of erecting brackets is generally used when pouring bridge pier cover beams. This method requires reinforcement of the foundation at the bottom of the brackets, and a large number of brackets are erected under the cover beams. Therefore, there is a long construction period and the disadvantages of large capital investment. At the same time, for adverse geological conditions, uneven ground settlement is often encountered, which may easily cause serious settlement and deformation of the support, which will affect the pouring quality of the bridge pier cap beam, and at the same time bring safety hazards to the bridge construction process. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D21/00
Inventor 刘学忠刘晓栋
Owner CHINA RAILWAY NO 3 GRP CO LTD