Method for adjusting bridge deck elevation and height limiting device

An adjustment method and elevation technology, which is applied in the direction of bridges, bridge construction, erection/assembly of bridges, etc., to achieve the effects of avoiding bridge overturning, facilitating construction, and reducing input costs

Active Publication Date: 2018-11-20
TENGDA CONSTR GROUP CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a bridge deck elevation adjustment method and a height limiting device to solve the problem that the bridge deck elevation at the closing end of the cantilever girder of a T-shaped cantilever bridge needs to be precisely adjusted

Method used

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  • Method for adjusting bridge deck elevation and height limiting device
  • Method for adjusting bridge deck elevation and height limiting device
  • Method for adjusting bridge deck elevation and height limiting device

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Embodiment Construction

[0023] Based on the above, it can be seen that when closing the cantilever girder of a T-shaped cantilever bridge, adjusting the bridge deck elevation at the closing end of the cantilever beam of the T-shaped cantilever bridge to an appropriate value is an important prerequisite for the success of the closing.

[0024] Because one end of the cantilever beam of a T-shaped cantilever beam bridge usually needs to be closed with other cantilever beams. Therefore, for the convenience of description, the end where the closing is performed can be referred to as the closing end. The other end of the cantilever beam can be closed with other cantilever beams, or can be directly connected to the end support, for example, set up on the end support on the bank or on the roadbed.

[0025] During bridge closure construction, if the elevations at both ends of the closure are inconsistent, one of the commonly used methods is to use wet joints to adjust to achieve the final closure. This method...

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Abstract

The invention relates to the technical field of bridge construction, in particular to a method for adjusting a bridge deck elevation and a height limiting device. The method is used for adjusting thebridge deck elevation of the cantilever beam closing end of a T-shaped cantilever beam bridge, and an end support is arranged at the end, away from the closing end, of a cantilever beam; a lifting device which is arranged between the end, away from the closing end, of the cantilever beam and the end support is involved, and the lifting device is utilized for ascending or descending the end, away form the closing end, of the cantilever beam so that the closing end of the cantilever beam can descend or ascend correspondingly. The lifting device is arranged between the end, away from the closingend, of the cantilever beam of the T-shaped cantilever beam bridge and the end support, in this way, therefore is no limit from a surround building, and construction is convenient.

Description

technical field [0001] The invention relates to the technical field of bridge construction, in particular to a bridge deck elevation adjustment method and a height limiting device. Background technique [0002] The cantilever assembly method of cantilever girder bridge refers to the construction method of setting hangers on both sides of the middle pier, balancing the cantilever assembly of cement concrete beam prefabricated section by section to the mid-span, and applying prestress section by section. During the cantilever assembly construction process of the bridge, there are usually two processes. One is to form a cantilever beam on the middle pier by assembling the beam body piece by piece, and a T cantilever beam is formed between the cantilever beam of the T-shaped cantilever bridge and the middle pier. The second is to close one or both ends of the cantilever beam of the formed T-shaped cantilever beam bridge with other cantilever beams. [0003] When closing the can...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D21/00
CPCE01D21/00
Inventor 孙九春薛武强任加甜唐俊华曹虹奚国栋
Owner TENGDA CONSTR GROUP CORP
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