Through comparative analysis to the test data of tow sampling methods in drilling hole and sampling method in shaft, it was found out by the author that the drilling sampling method has obvious disturbance and depression to the soil sample, which caused t
Through comparative analysis to the test data of tow sampling methods in drilling hole and sampling method in shaft, it was found out by the author that the drilling sampling method has obvious disturbance and depression to the soil sample, which caused t
笔者通过对钻孔两种方法获取的土样与竖井土样试验数据的对比发现，钻孔取样对土样有明显的扰动和压密作用，造成了土的干密度增大、孔隙比减小、渗透系数降低、压缩模量增大。