Measurement of soil grain and pore size distribution, observation of soil microstructure and permeability test are used to study soil structure and permeability.

本文介绍本院野外试验场包气带土壤结构和渗透性参数实验分析的主要方法及其结果。

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All kinds of factors influencing the compressibility of polluted soil were analyzed, including grain-size distribution, plasticity index, moisture content and void ratio.

并对影响酸碱污染土压缩性的各种因素进行分析研究，包括土污染前后的粒度分析、塑性指数、含水率分析以及孔隙比。

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