The results showed that the content of clay particles was significantly correlated with soil swelling rate.
结果表明：土壤粘粒含量与土壤膨胀率呈显著正相关；
The content of soil organic matter affected soil swelling rate remarkably when soil texture was not obviously different.
有机质含量在质地差别不明显情况下，对土壤膨胀率也有极显著的作用与影响；
Studing on the changing rule of lime modification expansive soil, such as free swelling ratio, swelling strength, non-side limitation compressive strength.
研究了膨胀土加入石灰改性后，其无荷膨胀率、膨胀力、无侧限抗压强度等指标的变化规律。
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