變更

A.Casagrande, Liquefaction and Cyclic Deformation of Sands--a Critical Review, 5 Pon American Conference on Soil Mechanics and Foundation Engineering, Buenos Aires, Argentina, Nov.1975<ref>[https://wenda.so.com/q/1473545075722564?src=180&q=%E7%A0%82%E5%9C%9F%E6%B6%B2%E5%8C%96 砂土液化的处理措施], 360国学 ,</ref>

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