swelling soil 膨胀性土壤
swelling soil subgrade 膨胀土路基
expansive soil swelling soil 土的分类膨胀土 ; 膨胀土
soil swelling [土壤] 土壤膨胀 ; 膨胀性 ; 土体分类
swelling soil area 膨胀土地区
swelling soil ground 膨胀土地基
sodium swelling soil 钠基膨润土
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；
The methods of modified treatment for swelling soil foundation are summarized and discussed. These methods may be presently divided into physical, chemic and biologic method.
对膨胀土地基改性处理方法进行了总结和评述，目前膨胀土的改性方法可以分为物理改性法、化学改性法和生物改性法三种。
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