学科分类
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3 个结果
  • 简介:UnreinforcedMasonry(URM)isthemostcommonpartitioningmaterialinframedbuildingsinIndiaandmanyothercountries.Althoughitiswell-knownthatunderlateralloadingthebehaviorandmodesoffailureoftheframebuildingschangesignificantlyduetoinfill-frameinteraction,thegeneraldesignpracticeistotreatinfillsasnonstructuralelementsandtheirstiffness,strengthandinteractionwiththeframeisoftenignored,primarilybecauseofdifficultiesinsimulationandlackofmodelingguidelinesindesigncodes.TheIndianStandard,likemanyothernationalcodes,doesnotprovideexplicitinsightintotheanticipatedperformanceandassociatedvulnerabilityofinfilledframes.ThispaperpresentsananalyticalstudyontheseismicperformanceandfragilityanalysisofIndiancode-designedRCframebuildingswithandwithoutURMinfills.InfillsaremodeledasdiagonalstrutsasperASCE41guidelinesandvariousmodesoffailureareconsidered.HAZUSmethodologyalongwithnonlinearstaticanalysisisusedtocomparetheseismicvulnerabilityofbareandinfilledframes.ThecomparativestudysuggeststhatURMinfillsresultinasignificantincreaseintheseismicvulnerabilityofRCframesandtheireffectneedstobeproperlyincorporatedindesigncodes.

  • 标签: URM INFILL RC FRAME building INDIAN