底部剪力法计算结构水平地震作用分析

1009-6825201221-0036-022012-04-201965-710077《》。TU311A040m41。。Xi1HiXi1=ηHi。η。2。1Fi=β1λ1x1xGi1FEK=∑ni=1Fi=∑ni=1β1λ1μHkGi2λ1=∑ni=1GiμHi∑ni=1GiμHi2=∑ni=1GiHiμ∑ni=1GiH2i32FEK=β1∑ni=1GiHi2μ∑ni=1GiH2i44G∑ni=1GiFEK=β1∑ni=1GiHi2μ∑ni=1GiH2i·G∑ni=1Gi=β1θG5FEK=β1Geq6β1。Geq=θGG=∑ni=1Gi7GGeqθ《》θ=0．85。iFi2β1λ1μ=1∑nj=1GjHjFEK81Fi=GiHi∑nj=1GjHjFEK9FEKGiGjHiHjij。。《》Fi=GiHi∑nj=1GjHjFEK1－vn10ΔFn=vnFEK11vn0．2·63·382120127SHANXIARCHITECTUREVol．38No．21Jul．20121009-6825201221-0037-032012-04-111960-110003。TU755．32A0。。、。。1203050～60《》《》1。。Tall2。70IwkaiMuraki。3。80Josefson4。90、Mahin櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅1ΔFn3FEK。1vnTg/sT1＞1．4TgT1≤1．4Tg≤0．350．08T1+0．0700．35～0．550．08T1+0．010＞0．550．08T1－0．0202、、、40m。、、。、。《》。1．M．2001．2GB50010-2010S．3．J．1990537-38．4．M．1987．OnanalysisofcalculationofstructuralhorizontalearthquakeeffectwithbaseshearmethodXIEZhi-qinArchitecturalDepartmentXi’anVocationalTechnicalCollegeXi’an710077ChinaAbstractThestudyhasthetheoreticanalysisofthestructuralhorizontalearthquakepointsoutthecalculationmethodofthebaseshearmethodandpointsouttheprovisionsoftheSeismicRegulationthatistheincreasedcoefficientshouldbemultipliedwiththestructuralseismiceffectbyadoptingthebaseshearmethodtocalculatetheseismiceffect．Keywordshorizontalseismicroleresponsespectrummethodbaseshearmethod·73·382120127SHANXIARCHITECTUREVol．38No．21Jul．2012