某特大桥超长大直径钻孔灌注桩桩底压浆施工  

Pile bottom pressure casting construction of drilled caisson pile with super big diameter in one super bridge

作　　者：张明卓[1] 杨学祥[2] 

机构地区：[1]中铁大桥局集团有限公司 [2]中铁大桥局集团桥科院有限公司

出　　处：《山西建筑》2007年第15期111-112,共2页Shanxi Architecture

摘　　要：结合某特大桥超长大直径钻孔灌注桩采用桩底压力注浆,介绍了压力注浆施工方法及施工的注意事项,探讨了压力注浆技术在超长大直径钻孔灌注桩的施工技术,以提高桩基承载力。Combined with pile bottom pressure casting construction of drilled caisson pile with super big diameter in one super bridge,it introduces pressure casting construction methods and the matters need attention in the construction,and discusses the pressure casting construction technique applied on the drilled caisson pile with super big diameter,which will improve the bearing capacity of the pile foundation.

关 键 词：压力注浆 超长大直径 钻孔灌注桩 

分 类 号：U445.55[建筑科学—桥梁与隧道工程]