The mechanism of this technology using in the upstream slope of sand-shell is also discussed.2 A method of confirming the shaking and jetting area is proposed.

• (2)提出了振冲加固区的确定方法，进行了岸堤水库大坝加固后土坝的静、动力反应分析和加固后地震稳定性分析，提出了岸堤水库大坝振冲设计要素。