论文部分内容阅读
主跨为88+135+88m预应力混凝土连续梁的津市澧水大桥,其主跨径居国内同类桥型第二。本文介绍了该桥主跨的施工情况,并对基础施工中的围堰上浮处理、主跨采用边跨合拢前单向单边张拉、我国连续梁施工首次二期成型新工艺及7m高箱梁段全断面一次性浇注等作了比较详细的叙述。
The main span is the 88 + 135 + 88m prestressed concrete continuous beam of the Tianjin Sunshui Bridge, the main span of similar domestic bridge type second. This paper introduces the construction of the main span of the bridge. In addition, the cofferdams in the foundation construction are floated up, the main span is unilaterally unilateral tensioned before the side span is folded, the first two-stage forming process and the 7m high box Beam full section of one-time casting made a more detailed description.