三峡工程二期围堰运行后的性状分析

Analysis of the behaviour of stage II cofferdam of TGP

摘要: 三峡工程二期围堰安全运行4 a 后于2002 年拆除。在拆除过程中,对堰体和防渗墙进行了调查、取样和相关参数的测试;对风化砂堰体密度、防渗墙材料的工程特性、防渗墙与周边堰体的相互作用模式进行了分析和讨论。

Abstract: Lots of research work including the site investigation, sampling and testing of the cofferdam and its cut-off walls had been done during the period for the removal of stage II cofferdam of TGP. Some key factors are analyzed and discussed based on these results.