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提要本文论述了白龙江宝珠寺水电工程基岩软弱(泥化)夹层的形成特征及其对工程的危害,现场进行渗透变形试验方法及成果分析,提出了防止渗透破坏必须采取的渗流控制和排水措施,以及采用砂石反滤层时应满足的条件。认为渗透变形试验采用的断面截割法比钻孔法方便易行费用低。
Abstract This paper discusses the forming characteristics of the soft rock (muddy) bedrock of Baozhusi Hydropower Project in Bailong River and its damage to the project. The method of infiltration deformation test and the analysis of the results are presented in this paper. The measures of seepage control and drainage that must be taken to prevent seepage failure , As well as the conditions that should be met when using sandstone filters. It is considered that the cross-sectional cutting method used in the infiltration deformation test is easier and cheaper than the drilling method.