对于降水深度不大的砂性土地基，一般选用轻型井点降水，可以满足安全、适用、经济的要求。
For the sandy soil foundation with not large drop depth it generally selects to use light well drop, so it can meet the requirement of safety, adaptation and economy.
通过分析揭普高速公路软基路堤施工期及运行期的实测沉降资料，结合成因环境，说明了采用袋装砂井进行深层处理含腐木软土地基的合理性及必要性。
By analyzing the settlement observed data in construction and running period of Jie-Pu Expressway, it shows that sand wick is reasonable and necessary for treating rotten wood and silt mixed layer.
对既有砂性土又有粘性土地基的点夯最佳夯击击数的确定方法进行了分析；
The method for making judgment to the optimal tamp number of foundation, which have silt and sand layer as well as have clay, were analyzed.
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