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Bridge expansion joint welding preparation

author: Jianfeng Engineering from: 原创 date: 2017/7/13 18:00:00 hit: 14650 ℃
Tips: Welding preparation for expansion joint:,The welding time according to the telescopic gap width is s...

Welding preparation for expansion joint:,

The welding time according to the telescopic gap width is set, in the day with the design requirements and proper temperature period. The welding time according to the telescopic gap width is set, in the day with the design requirements and proper temperature period. Previously, after then. Time should be 11:00 in the morning before the afternoon after 3:00.

The spot: location, one end along the telescopic device in turn telescopic device on both sides of the supporting ring anchor and anchor bar every 2 ~ 3 anchors, spot welding: one end along the telescopic device in turn telescopic device on both sides of the supporting ring anchor and anchor bar every solid bars first spot, spot after the completion of comprehensive check flatness telescopic device, straightness, elevation and other projects, fixed ribs first spot, spot after the completion of comprehensive check flatness stretching device, straightness, elevation and other projects, qualified after welding. Then the welding.


  

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