In design of homogeneous earth dam, sudden drawdown of water level is always a control condition for stability of upstream slope.
在均质土坝设计中，水位骤降通常是上游边坡稳定计算时需控制的工况。
Since 1970s, the vibroflotation technique was introduced into China for soft foundation strengthening with better results but without application in upstream slope in sanded shell dams.
振冲技术自70年代引入我国以来用于软基加固效果较好，但应用于砂壳坝上游坝坡尚未见工程实例。
Since 1970s, the vibroflotation technique was introduced into China for soft foundation strengthening with better results but without application in upstream slope in sanded shell dams.
振冲技术自70年代引入我国以来用于软基加固效果较好，但应用于砂壳坝上游坝坡尚未见工程实例。
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