Analysis of the geo-environmental properties of fine-grained soils based on freezing tests

饱和细粒土的工程性质对软土地基的设计和淤泥的有效利用具有重要意义。提出了一个假设，即细粒土的工程性质可以通过冻结过程中的行为来解释。根据试验结果，得出以下结论：(1)细粒土的渗透性主要取决于以冻结孔隙比表示的孔隙水，而不是总孔隙水。(2)以未冻孔隙比表示的吸附水可以作为土壤的一部分，但对土壤没有影响。

The engineering properties of saturated fine-grained soils are important to the design on soft grounds and to the effective utilization of sludge for construction. A hypothesis was proposed that the engineering properties of fine-grained soil might be interpreted from its behavior in a freezing process. Based on the test results, the following conclusions were obtained.(1)The permeability of fine-grained soils appears to be governed by the pore water expressed as a frozen void ratio rather than the total pore water.(2).The adsorbed water expressed as an unfrozen void ratio might be work as a part of the soils but has no influence over them.