宜昌长江大桥支座更换施工工艺及应用技术

2012-04-29 21:22何清姜炜李知强
科技创新导报 2012年13期
关键词:宜昌标识码分类号

何清 姜炜 李知强

摘 要:本文以更换宜昌长江公路大桥支座四氟板工程的实例,结合PLC控制液压同步顶升的施工工艺,对顶升过程中的设计方法和关键技术进行了研究。与传统的支座更换方法相比,该方法具有不中断交通、工期短、同步精度高、安全性强等突出的优点,具有广泛的借鉴和推广意义。

关键词:整体顶升桥梁支座更换施工工艺

中图分类号:U445 文献标识码:A 文章编号:1674-098X(2012)05(a)-0115-02

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