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- 摘要武汉天兴洲公铁两用长江大桥2号主塔墩基础大型钢吊箱围堰采用工厂整体制造，下河浮运至墩位，利用锚墩施加预拉力精确定位的施工新工艺。
The new construction technique applied to the huge steel boxed cofferdam for foundation of pylon pier No.2 of Wuhan Tianxingzhou Changjiang River Rail-cum-Road Bridge was to fabricate the cofferdam in integrity in workshop, shift it down to river and float it to the pier site where it is then accurately positioned by pre-tensioning at the anchor pier.
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