特大桥大型深水基础钢套箱围堰施工工法

Large-scale deep-water foundation steel slip jacket cofferdam construction practice of the super bridge

根据某特大桥桥址区河床地质复杂的特点,采用了无底钢套箱围堰施工工法,介绍了工法的特点、适用范围及工艺原理,对某施工工艺流程及操作要点进行了阐述,提出了质量控制标准,并对其作了效益分析。

According to the complex geological characteristics of the bed river in the one super bridge site, the rimmed steel slip jacket cofferdam construction practice was used. It introduces the characteristics, applicability and technological principle of this method, represents proems and operation points of this construction technology, brings forward quality control standard, and does corresponding benefits analysis.