中小跨徑梁橋中組合橡膠支座的減隔震性能分析

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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

在我國交通路網(wǎng)建設中，中小跨徑梁橋占比較大，是交通路網(wǎng)的重要組成部分。（剩余5702字）