摘要
基于影响胀缩土特性的多种因素,判别粘土的胀缩性需综合采用岩性特征、蒙脱土矿物含量、阳离子比表面积、阳离子交换量、液限和自由膨胀率等6项指标。
According to a series of factors influencing properties of expansive andcontractive soils,discriminating expansibility-contractibility of clays needs tobe made by comprehensive using six index marks: lithological features,contents of montmorllonite, the anion surface-to-volume ratio, the anode-exchange amounts, the liquid limit and the free expansibility.
关键词
粘土
胀缩土
胀缩性
判别指标
液限
clay
expansive soils
clay mineral
liquid limits
