摘要
介绍了百米长桩的施工方法、施工设备、护孔技术，并就深孔实施泵吸反循环的可行性、主要技术措施以及强风化岩层的糊钻问题进行了分析。
The construction method, equipment and bore hole wall protection technology of the 100m long bored pile are described, with the analysis on the feasibility of suction reverse circulation method, balled bit problem in seriously weathered layer and technical measures for solving the problem presented
出处
《探矿工程》
1998年第3期10-11,共2页
Exploration Engineering(Drilling & Tunneling)
关键词
桥
长江大桥
桩基
成孔技术
泵吸反循环
m long bored pile, hole completion, suction reverse circulation, balled bit
