CFG桩清泥处理时机选择研究

Research on timing choice for silt-cleaning treatment of CFG piles

以某高铁路基工程为例,针对CFG桩清泥处理时机选择进行了研究,结合管内泵压混合料灌注流程,分别阐述了钻泥清理方法选择和湿法机械清理钻泥时机选择,并指出了清理钻泥注意事项,以指导今后CFG桩施工。

Taking the foundation project of some express railway as the example, the paper researches the timing choice for silt-cleaning treat- ment of CFG piles, illustrates the cleaning method of drilling silt and the drilling timing choice for the wet mechanic silt cleaning by combining with the grouting procedure for the pumped and injected with grouting mixture, and points out the precautions for the silt-cleaning, so as to direct the future CFG pile construction.