摘要
文章以兰渝铁路南充嘉陵江特大桥深水基础施工为例,对比分析了先成桩后施工钢围堰和先下钢围堰后施工钻孔桩两种双壁钢围堰施工方案的优缺点,并结合工期、施工季节、河床地质等因素,确定了合理的围堰施工方案。
With the deep water foundation construction of Nanchong Jialing River Super-large Bridge in Lanzhou-Chengqing Railway as the case,the article compared and analyzed the advantages and disadvantages between two kinds of double-wall steel cofferdam construction plans of pile-forming first, then steel cofferdam construction and steel cofferdam first, then bored pile construction, and combined with factors of construction period, construction season and riverbed geology etc., it determi ned the reasonable cofferdam construction plan.
出处
《西部交通科技》
2012年第6期58-62,共5页
Western China Communications Science & Technology
关键词
南充嘉陵江特大桥
双壁钢围堰
方案比选
Nanchong Jialing River Super-large Bridge
Double-wall steel cofferdam
Plan comparison and selection
