中小跨径梁桥中组合橡胶支座的减隔震性能分析

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DOI：10.19860/j.cnki.issn1005-8249.2024.01.026

YANG Wei ，ZHAO Yongwei2，YAN Yongliang2，LI Fulin1，YANG Linhao （1. CCCC-SHB Fourth Engineering Co.，Ltd.，Luoyang 47100O，China； 2.Henan Hexin Expressway Co.，Ltd.，Zhengzhou 45O0Oo，China）

Abstract：Theplatetyperuberbearingusedinmiddleandsmallspanbeambridgeiseasytoslideunderearthquake，whichmakesthe displacementofpierandbamlarger.Tenergydisipationcapacityanddisplacementcapacityofcompositeubberbearingareelatively high.Theseismicresponsesofcompositerubberbearingandplaterubberbearingunderdiferentworkingconditionsarestudiedby pseudo-statictestandfiniteelementanalysis.Theresultsshowthatcompositerubberbearingcanefectivelypreventthebearingfrom slidingimidleandsmallspanbeambridges，thebending momentofthepierandthedisplacementofthebearingaresignificantly reduced.

Keywords：composite rubber bearings；shock absorptionand isolationperformance；smalland medium-sizedspan beambridge

0引言

在我国交通路网建设中，中小跨径梁桥占比较大，是交通路网的重要组成部分。（剩余5702字）