This paper introduces the construction main points of municipal highway engineering soft soil foundation,elaborated the construction method of lime pile reinforcement,sand and gravel packed silt or filling replacement and other soft soil foundation,and summarized the matters needing attention in construction,helped to reduce the road cracks,subsidence and other diseases.%介绍了市政公路工程软土地基施工的要点，对石灰桩加固、砂石挤淤、砂砾垫层或填土置换等软土路基的施工方法进行了阐述，并总结了施工中的注意事项，有助于减少公路裂缝、沉降等病害的发生。
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