松木桩挡土墙软基处理在高速公路扩建中的应用

Application of Deal Pile Retaining Wall to Treat Weak Subgrade in Extension of Expressway

扩建高速公路要求维持车辆安全通行,拼宽路基软基处理必须保证老路路基稳定,该文结合高速公路扩建中实际工程,介绍了松木桩挡土墙软基处理的设计及施工。

It is required to keep the vehicles under the safe traffic during the extension of expressway, and it must be to guarantee the roadbed stabilization of the old roads if the roadbed is widened and the weak subgrade treated. Combined with the practical cases of the expressway extension, the article introduces the design and construction of the deal pile retaining wall to treat the weak subgrade.