350km/h客运专线CFG桩长螺旋钻孔管内泵压混合料施工技术  

Construction Technique of CFG Pile Long Auger Boring Tube Pump Pressure Mixture in 350 km/h Passenger Transportation Special Line

作　　者：周冬梅 

机构地区：[1]中铁十一局集团第四工程有限公司,武汉430074

出　　处：《铁道建筑技术》2010年第1期48-53,共6页Railway Construction Technology

摘　　要：通过对高速铁路石武客运专线的施工总结,分析了地基CFG桩施工过程中导致桩质量问题的原因,得出了泵压混合料施工技术是影响长螺旋钻孔桩施工质量的重要因素的结论,阐述了施工过程的技术控制有关做法。Through the construction of high speed Shi-Wu PDL, this paper analyzes the reason for the quality problems in ground CFG pile construction process, and makes the conclusion that pump pressure mixture construction technique is a key factor in affecting the construction quality of long auger boring piles, and elaborates relevant methods in controlling this technique in the construction process.

关 键 词：CFG桩 钻孔管内泵压混合料 施工技术 

分 类 号：U213.152.1[交通运输工程—道路与铁道工程]