Na2SO4和MgCl2污染土压缩性能的室内试验研究

In this study, the artificial remould soil samples were tested in laboratory to investigate the effects of Na2SO4 and MgCl2 pollution on the physical properties and compressive indexes of silt soil respectively.The results show that the plasticity index Ip is linearly increasted with liquid limit WL for the silt soil polluted by Na2SO4 or MgCl2.Secondly,the compressive index is decreased with the increament of salt content of polluted soil.In additional,the compressive index of polluted soil in this study is decreased as the compressive pressure increasing,and the reducing rang is obvious when the pressure is less than 200 kPa.