研究了路基土场土的物理性能、矿物组成及胀缩特性，采用多种方法综合评价土场土膨胀潜势；
The physical properties, mineral composition and expansive-shrinkage characteristics of the borrow soil were studied, and the evaluation of expansive potential was carried out.
为了获得地下水质量的准确结果，采用多种方法进行综合评价会收到良好的效果。
To get a precise result of groundwater environment quality, the application of multiple method is effective.
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