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wu fu gai ceng he chuang mian tao xiang wei yan shi gong ji shu
Author(s): 
Pages: 79-81
Year: Issue:  S1
Journal: Bridge Construction

Keyword:  cofferdambridge constructionconstruction technique;
Abstract: 介绍宜万铁路宜昌长江大桥主桥11号主墩围堰施工情况,大桥位于长江中华鲟保护区,水中不允许进行爆破作业,主墩墩位河床面无覆盖层,而且局部基岩面高于承台底高程,不能采用常规围堰方案来施工承台,通过方案比较采用外止水双壁钢套箱围堰施工技术,成功完成了无覆盖层光板岩面上的承台施工。
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