重庆寸滩长江大桥清水旋挖桩施工技术  

Construction Technology of Water Rotary Drilling Bored Pile in Yangtze River Bridge of Cuntan, Chognqing

作　　者：刘晓涛 汪渝 

机构地区：[1]重庆对外经贸集团,重庆401121 [2]重庆永键建设管理有限公司,重庆400061

出　　处：《重庆建筑》2014年第4期57-59,共3页Chongqing Architecture

摘　　要：通过重庆寸滩长江大桥主塔基础群桩使用旋挖钻机开展清水旋挖基础施工的实例,进一步验证了旋挖钻机在重庆地区开展基础施工具有安全性好、质量可控、施工迅速、综合经济性好的特点。同时也发现了用该工艺在施工中容易出现的问题,有利于继续研究特大桥基础群桩施工的技术和研究旋挖钻机的技术改进方向。Based on the practical application of rotary drilling rig to carry out water rotary drilling foundation construction in the foundation pile groups of the Yangtze River Bridge in Cuntan of Chongqing, it is proved that the application of rotary drilling rig in foundation construction in Chongqing is safe, quality-controllable, fast construction and comprehensively economic. And some problems of this technology in construction are also identified for future improvement.

关 键 词：桥梁 清水 旋挖钻机 桩基础 施工 运用 

分 类 号：U445.551[建筑科学—桥梁与隧道工程]