重锤夯扩挤密土预成孔旋喷桩施工技术  

Construction Technology of Pre Pore-forming Chemical Churning Pile with Compaction Soil Rammed by Heavy Hammer

作　　者：何世鸣[1] 吴盛斌[2] 赵振国[2] 张青宇[3] 贾城[1] 杨敏[1] 

机构地区：[1]北京建材地质工程公司,北京100102 [2]中国地质大学,北京100083 [3]成都理工大学,四川成都610059

出　　处：《施工技术》2009年第S2期90-91,共2页Construction Technology

摘　　要：重点介绍了重锤夯扩挤密土预成孔旋喷桩施工方法的原理及操作工艺,指出该施工方法在有地下障碍物、流砂或易坍塌的砂卵石等复杂地层情况下,施工高压旋喷桩具有优越性和创新性。The principles and construction process of pre pore-forming chemical churning pile with compaction soil rammed by heavy hammer are introduced in detail.It is pointed out that the construction of high-pressure chemical churning pile has advantages and innovation under complex conditions which are underground obstacle,quicksand and sand gravel.

关 键 词：高压旋喷桩 跟管钻进 夯实土桩 

分 类 号：TU753.3[建筑科学—建筑技术科学]