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对坝基扬压力和渗流量的观测是监控大坝安全的重要手段之一。本文对乌江渡坝基渗压计所指示的灌浆帷幕和排水系统的工作状态作了简要介绍与分析,证实高压灌浆在溶岩地区防止坝基渗漏确有效果。
The observation of dam foundation pressure and seepage volume is one of the important measures to monitor dam safety. This paper gives a brief introduction and analysis on the working status of the grouting curtain and drainage system indicated by the piezometer in Wujiang Dam. It proves that the high-pressure grouting is effective in preventing seepage of the dam foundation in the lava region.