拉萨河特大桥新型支座安装技术

Installation Techniques for New Type of Bearings of Lhasa River Bridge

结合分析以往桥梁支座施工后留下的隐患,拉萨河特大桥支座采用锚栓孔灌注环氧树脂砂浆,底板位能压浆的安装方法。介绍针对本桥专门设计的铰轴钢支座和铰轴滑板钢支座施工方法。

Based on the analysis of problems of previous bridge bearings after installation, for installation of the bearings of Lhasa River Bridge, the construction method of grouting epoxy resin mortar into anchor bolt holes of a bearing with the aid of potential energy of base plates of the bearing is used. In this paper, the construction method for the hinged steel bearings and hinged sliding plate bearings specially designed for the Bridge is presented.