前言由于松散沉积的砂粉土和细粉砂在地震时极易于液化,因此人们对砂土液化进行广泛的室内试验研究。但是,从多数已发表的文献来看,这些研究所用的是不搀有细颗粒的砂,与此相反,许多现场已 Introduction Due to the loosely-deposited sand silt and fine silt in the earthquake, it is very easy to liquefy, so people carry out extensive indoor experimental research on sand liquefaction. However, from the most published literature, these studies use sand that does not contain fine particles. On the contrary, many sites have