葛洲坝大坝倒垂施工测量与安装

Inverted Plumbing and Its Installation for Horizontal Observation at Gezhou Dam.

葛洲坝大坝的水平位移观测工作中,其引张线端点是由倒垂线来标定的,解决了实际困难,提高了工效,满足了设计对倒垂施工的要求。本文就倒垂施工测量及安装步骤、方法、注意事项等问题进行了分析说明。

The end of the tensile line for horizontal displacement observation at Gezhou dam was fixed by inverted plumbing method, which can solve some problems encounted in practice and meet the design requirement. This paper describes its procedures and installation.