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介绍日本多座堆石坝高渗透性软基的处理。重点介绍只见坝砂砾地基处理的设计及研究。确定只见坝砂砾地基处理以地下连续墙为主，以WMC灌装为辅。为改善软基变形特性，采用掺膨润土混凝土作为构筑地下连续墙的材料。提出了未来研究的课题。
Introduction to the treatment of high permeable soft foundation of Japan multi-rockfill dam. The paper mainly introduces the design and research of dam foundation treatment. Determine dam sand gravel found only to deal with underground diaphragm wall-based, supplemented by WMC filling. In order to improve the deformation characteristics of soft foundation, bentonite concrete is used as the material for constructing continuous diaphragm wall. Put forward the topic of future research.