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软土地基作为路基工程的一部分,在高速公路中随处可见。在高速公路施工中,常出现软土路基的整体下沉或局部下沉等病害。为了尽量减少路堤在工程完工后对路面的影响和破坏,需要一套成熟的软基处理及复合地基施工技术,以保证其强度及稳定性。本文介绍了目前常见的粉喷桩和挤密碎石桩复合地基施工技术,为工程的工程技术人员提供参考。
As part of subgrade construction, soft soil found everywhere in the highway. In highway construction, soft soil embankment often appear as a whole subsidence or local subsidence and other diseases. In order to minimize the influence and destruction of the embankment on the road surface after the completion of the project, a set of mature soft foundation treatment and composite foundation construction technologies are needed to ensure its strength and stability. This paper introduces the common construction techniques of DJM and composite gravel pile composite foundation, and provides references for engineering and technical personnel of the project.