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目前正在施工的广西武宣大桥(35米+5×80米+35米,其中两边跨为钢筋混凝土板拱,其余中跨为钢筋混凝土箱型拱)的2号、3号、4号墩深水基础首次采用了组装装配式沉井施工,并获得了成功。组装装配式沉井作为一种新型结构和施工方法用于桥梁深水基础是否具有实用价值,其结构特点如何,具有那些优点,这是我们所关注的,本文将对此进行介绍。
Currently under construction in Guangxi Wuxuan Bridge (35 meters +5 by 80 meters +35 meters, of which both sides of the cross-reinforced concrete slab, and the remaining span of reinforced concrete box arch) 2, 3, 4 pier deep water foundation For the first time, the assembly-type sunk well assembly was adopted and achieved success. It is our concern that assembly-mounted open caisson as a new type of construction and construction method for bridge deep-water foundations has practical value, its structural features, and those advantages, which are addressed in this article.