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CFG桩复合地基作为软土地基加固的一种措施,在高速铁路客运专线上应用时间较短,缺乏相关工程经验。结合武广铁路客运专线CFG桩复合地基施工实践,总结出长螺旋钻机施工CFG桩的工艺及质量控制要点,阐述了常见问题的原因和解决措施,为客运专线软基处理施工质量控制方面提供了借鉴和参考。
As a measure to reinforce soft soil foundation, CFG pile composite foundation has short application time and lack of relevant engineering experience on passenger dedicated line of high-speed railway. Combining with the construction practice of CFG pile composite foundation in Wuhan-Guangzhou Passenger Dedicated Railway, the article summarizes the key points and quality control of CFG pile construction by long auger drilling rig, explains the reasons of common problems and solutions, and provides some suggestions on the construction quality control of soft- Reference and reference.