结合苏州高架桥支座维修加固工程，介绍了该桥梁支座的现状及病害，并根据支座更换设计的原则，重点阐述了连续梁桥单墩顶升更换支座的方法，指出该方法具有对桥梁结构破坏小、易操作、可行性强、经济性好等优势。%Combining with the maintenance and consolidation in the bearing of overhead viaducts in Suzhou,the paper introduces the status and diseases of the bridge bearing,and based on the principle of bearing replacement design,illustrates the method of altering bearing of the single pier jacking-up in continuous beam bridges,and points out the method is featured with slight damages,operable,and strongly feasible and economical in bridge structures.
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