摘要
该文结合工程实例简述既有高速公路桥梁支座存在的病害问题及支座对桥梁安全问题的重要性,并结合病害情况介绍顶升更换支座施工技术在既有高速公路桥梁改造中的具体应用。详细论述了顶升更换支座施工技术的施工原理,施工工序及其应用价值,为同类工程提供了借鉴的经验。
According to the engineering cases,the article briefly describes the existing faults of expressway bridge support and the support significance to the bridge security,introduces the detail application of lifting replacing support construction technology in the reconstruction of the existing expressway bridge,and discusses the construction principle,construction procedure and application value of the technology,which provide the experience for the similar projects.
出处
《城市道桥与防洪》
2011年第9期134-136,325,共3页
Urban Roads Bridges & Flood Control
关键词
既有高速公路
桥梁改造
顶升
更换支座
existing expressway,bridge reconstruction,lifting,replacing support