Analysis of Lateral Effect of Single Pier Force Synchronous Jacking on Continuous Wide Box Girder Bridge
A multi-scale simulation model was established for support replacement using the single pier force syn-chronous jacking of a double-box multi-chamber prestressed concrete continuous wide box girder.The variation law of lateral stress and displacement of the structure under single pier force synchronous jacking were analyzed,and whose feasibility were verified.Combined with the influence line of the transverse displacement of the beam end,the most unfavorable jacking force deviation of the structure was determined.The change law of cross bridge normal stress and displacement under the most unfavorable working conditions were analyzed,and the control value of the synchronous deviation between the jacking force and displacement during the jacking construction was deter-mined,which can provide reference for the single pier force synchronous jacking engineering of similar Bridges.
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万方数据
维普
