二滩大坝倒垂线体更换  

Replacement of inverted vertical lines of Ertan dam

作　　者：郑永胜[1] 

机构地区：[1]二滩水电开发有限责任公司,四川成都610051

出　　处：《大坝与安全》2009年第3期38-40,43,共4页Dam & Safety

摘　　要：为监测二滩混凝土双曲拱坝水平位移变化情况,布置了10条正垂线和8条倒垂线。后由于垂线线体锈蚀,对所有垂线线体都进行了更换。本文主要介绍倒垂线体更换的主要技术措施和施工经验,为其它大坝的倒垂线体更换提供参考。To monitor displacement of the concrete double-curvature arch dam, 10 vertical lines and 8 inverted vertical lines were laid.Later, corrosion of the inverted vertical lines happened because of quality problems.8 inverted vertical lines were replaced.Technical measures and construction experience were described in this paper for reference to similar projects.

关 键 词：二滩大坝 倒垂线体 更换 技术措施 施工经验 

分 类 号：TV698.1[水利工程—水利水电工程]