海中超大跨径悬索桥主墩超长桩基施工  

Research on Construction Technology of Super Deep Pile Foundation for Main Pier of Super Long-Span Suspension Bridge in the Sea

作　　者：邹威 ZOU Wei(Shenzhong Link Administration Center, Zhongshan Guangdong 528400)

机构地区：[1]深中通道管理中心,广东中山528400

出　　处：《广东公路交通》2021年第2期31-35,39,共6页Guangdong Highway Communications

摘　　要：结合工程实例,针对海中超大跨径悬索桥主墩超长桩基在施工过程中的钻机选取、泥浆指标的调制、成孔工艺等进行研究,对施工难点提出了改进措施,并介绍了海中超长桩基在特定复杂地质条件下的施工工艺。通过采取一系列技术措施,实现了安全优质的目标。Being combined with engineering example,in this paper,the selection of drilling rigs,the modulation of slurry index,and the technique of hole formation for the super-long pile foundation of the main pier of the super-long-span suspension bridge in the sea have been studied,the improvements against the construction difficulties have been proposed and the construction process of the ultra-long pile foundation in the sea under specific complex geological conditions has been discussed.Through a series of technical measures,the goal of safety and quality has been achieved.

关 键 词：超长桩基 钻机选取 泥浆指标 技术措施 

分 类 号：U445.551[建筑科学—桥梁与隧道工程]