摘要
主要介绍了宜宾长江大桥3#墩复杂地层大孔径超深桩基施工技术,包括冲击成孔及质量控制工艺、水下混凝土的灌注及质量控制工艺和施工中遇到的问题及处理措施,所采用的施工平台、起吊系统、桩基施工工艺、泥浆净化系统工艺均安全可靠,为类似工程施工提供一些参考。
The construction technics of the large diameter and long bored piles of 3^# pier of Yibin Yangtze fiver bridge in complicated strata are introduced in this paper, includcing the hole drilling and quality control measures, concrete filling underwater and quality control measures, problem encountered in construction with its dispose method, the platform, rise system, construction technics, slurry disposal system are all safety, which can offer some reference to similar projects.
出处
《国外建材科技》
2008年第1期108-111,共4页
Science and Technology of Overseas Building Materials
关键词
复杂地层
大孔径超深桩基
施工
complicated strata
large diameter and long bored pile
construction
