文档介绍：AbstractSeismicretrofittingauldupgradingisthee虢ctiVewaytoimproVegradeofbuilding’ssafety、prolongbuildinglife—span,’sarea,’sstrengthensandtransformsmourcountry,basis0nsumm撕zingmeexperience,thisthesishaVetakesystematicapplicationstudyofisolationonbuilding’sreinforcementandretroflt,summarizedasetofeffectiveandeconomicalpracticaldesignandconstructionmethod,’mainretrofitandaddingsto巧usingisolatorsbuiIdingtype,makeresearchtoseismicisolationandaseriesofdesignandconstIuctmethodistakenOut.(1Hhisthesissummarizethemaincontentanddesignmethodoftheisolationretro厅tformaintypeofbuildings,includedisolationlayerdesign,baseenfbrcementsdesign,parewiththeanalysistheseismicabilitybeforeoraRerisolationretrofit,itcaneasilvtakenoutthatisolationretrofitcanimprovetheseismicabilityofbuildings酽eatly.(2)Basisonthebuilding’scharacteristic,’s、^,.(3),summarizedthisstructure’sdesign,:Seismicretr06t,Addingstoriesretroflt,Isolationtechnolog弘Underpinning·,受欧亚板块、太平洋板块和印度洋板块活动的影响,地震分布广泛,地震强烈而频繁,地震造成的损失巨大,尤其在人口稠密、生命线工程同益复杂的大城市,地震所引起的灾害更加严重Il】。我国在-寸。1世纪70年代以前建造的建筑基本没有考虑抗震设防。二十世纪70年代后,我国经历了相当长的一段粗放型经济增长时期,期I、日J建造的许多建筑都不能达到旧有建筑抗震设计规范的要求【3J。根据国家统计局和建设部对全国普查的结果,目日,%,若按照设计基准期50年计