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目前在土的压缩试验中广泛使用卡萨格兰德(Casagrande)方法确定前期固结压力(Pc),见图1。这种方法的关键在于如何准确地定出e∽logP曲线上
The Casagrande method is currently widely used in soil compression tests to determine the preconsolidation pressure (Pc), see Figure 1. The key to this method is how to accurately determine the e∽logP curve.