摘要:根据多年施工经验,长螺旋钻管内泵压CFG桩施工技术应用到郑州地区饱和粉土等软土层时,常出现桩周地面沉降、周边建筑物和路面开裂以及管道错位等环境问题。通过对长螺旋钻管内泵压CFG桩施工引起环境问题的机理进行综合分析,提出相应措施,并对长螺旋钻管内泵压CFG桩在饱和粉土等软土层中的适应性作出评价。
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