摘要
CFG桩一般采用振动沉管灌注桩法,长螺旋钻机成孔管内泵压混合料成桩法两种工艺成桩。文章通过京沪高速铁路CFG桩施工前的成桩工艺性试验,简要介绍CFG桩长螺旋钻机成孔管内泵压混合料成桩法施工的一般步骤和试验方法。
CFG piles are usually constructed by using the two methods of vibrating sunk pipe cast-in-place pile and bored hole with long auger and pump pressurizing mixture in the pipe. This text gives a brief account of general procedures and test method for construction of CFG piles by means of long auger bored holes and pump pressurizing mixture, citing the example of pre-construction process test for pile formation carried out in construction of CFG piles for the Beijing-Shanghai high speed railway.
出处
《企业技术开发》
2009年第1期36-38,共3页
Technological Development of Enterprise
关键词
CFG桩施工
工艺
试验
construction of CFG piles
technological process
test
