| 标题 |
Waterproof structure of railway bridge expansion joint
铁路桥梁伸缩缝防水结构
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| 其它 |
作者：刘中国，胡娅婷，张万明 摘要：The invention belongs to the technical field of water prevention of railway bridge expansion joints, and relates to a waterproof structure of a railway bridge expansion joint. A waterproof material is of a T-type structure, the top side face of the waterproof material is higher than that of a bridge plate by 5-10mm, and two sides of the top side face of the waterproof material respectively extend outwards by 60-120mm than the bridge expansion joint; a part of the length of the waterproof material stretching into the bridge expansion joint is 10-30mm, and the bottom end face of a downward stretching part of the waterproof material is shaped like an arc; when the waterproof material is prepared, firstly, the end face of the bridge plate is cleaned up, a bottom lining with an arc-shaped top side face is installed in the bridge expansion joint 年份：2013 |
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