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.
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。
Aiming at the problems existing in the application of cement treated pile in Jie-pu Highway, this paper analyzes and put up improving measures, the effect is good.
针对水泥搅拌桩在揭普高速公路应用中存在的问题进行了分析，提出了改进措施，效果良好。
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