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High-speed railway bridge support corner over-limit disease treatment construction method

A technology of bridge bearing and construction method, applied in bridges, bridge parts, bridge maintenance, etc., can solve the problems of long construction period, complicated procedures, damage to load-bearing structures, etc.

Pending Publication Date: 2021-05-28
CHINA RAILWAY NO 9 GRP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, when the high-speed railway bridge has been built and the bearing angle exceeds the limit, it is necessary to chisel out the grouting layer to adjust the bearing plate, and it is necessary to destroy the load-bearing structure at the bottom of the original bearing. The process is complicated and the construction period is long.

Method used

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  • High-speed railway bridge support corner over-limit disease treatment construction method
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  • High-speed railway bridge support corner over-limit disease treatment construction method

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Embodiment Construction

[0038] A construction method for remediation of overrunning disease of high-speed railway bridge bearing corners, step 1: each disease condition and model of bridge bearings are different, and it is necessary to develop fixed (GD), Horizontal (HX), longitudinal (ZX), and multi-directional (DX) four types of wedge-shaped plate bearings, the corner size of the diseased bearing is scanned by a horizontal laser with a laser level, and then the distance from the measuring point to the horizontal line is measured to calculate the support. The height difference of the four corners of the seat, the angle of rotation of the support can be calculated by dividing the height difference by the distance between the measurement points, and the customized support.

[0039] Step 2: Level the concrete base surface of the bottom of the beam and the top surface of the supporting pad stone, and process the bottom of the beam and the top surface of the supporting pad stone to ensure that the sliding...

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Abstract

The invention relates to a high-speed railway bridge support corner over-limit disease treatment construction method, which comprises the following steps of: measuring and selecting a new support, leveling, measuring, mounting and debugging jacking equipment, digging the support, maintaining pressure and trying jacking, formally and synchronously jacking, dismantling the support, mounting the new support, and aligning, mounting and fixing an upper seat plate and a lower seat plate of the original support. In the process of replacing the support, the jack is used for jacking, and the position of the original support is supported by connecting the upper support plate and the lower support plate of the original support, so that the support is conveniently and quickly replaced, and the construction period is shortened.

Description

technical field [0001] The invention relates to a construction method, in particular to a construction method for treating high-speed railway bridge support corner overrun disease, and belongs to the technical field of plug production and manufacturing. Background technique [0002] At present, when the bearing rotation angle exceeds the limit of the built high-speed railway bridge, it is necessary to remove the grouting layer to adjust the bearing plate, and it is necessary to destroy the load-bearing structure at the bottom of the original bearing. The process is complicated and the construction period is long. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a construction method for remediation of high-speed railway bridge bearing corner overrun disease. During the replacement of the bearing, the jack is lifted, and the upper seat plate of the original support is connected with the lower seat plate of the new s...

Claims

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Application Information

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IPC IPC(8): E01D22/00E01D19/04
CPCE01D22/00E01D19/04
Inventor 陈晓鹏王东利黄殿威杨少敏崔好林凤若成陈守业徐博巍王耕董江辉闫庆峰朱林茂
Owner CHINA RAILWAY NO 9 GRP
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