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1、高层建筑结构设计（Structuraldesignofhigh-risebuilding）1.regardingtheconceptofwindloadinhigh-risebuildings,whatiscorrect?Thewindloadof[A]high-risebuildingsisthemainload,andthebasicwindpressurevalueW0isthesameasthatofmultistoriedbuilding,accordingto30Themaximum10minutemeanwindpressureduringtheyearisdete
2、rmined;Thewind-inducedvibrationcoefficientsof[B]high-risebuildingsarecloselyrelatedtothestiffnessofbuildings.Generallyspeaking,thegreaterthestiffnessis,themorebuildingsarebuiltThegreatertheeffectofwindvibrationonthings;When[C]high-risebuildingcalculateswindvibrationcoefficientandwindpressureh
3、eightchangecoefficient,theinfluenceofroughnessofgroundshouldbetakenintoaccount;Thefollowing2.high-risebuildings,calculationearthquaketimehistoryanalysismethodwhichshouldbeusedtosupplementthecalculation?[1]buildingfortificationisacategoryBhigh-risebuilding;[2]buildingsareclassifiedasclassahigh
4、-risebuildings;[3]tallbuildingsofhighflexibility;[4]tallbuildingswithunevenstiffnessandverticalmassdistribution.[A][2][4];[B][1][3];[C][1][2];[D][3][4];3.inseismicdesign,howmanyheightbuildingsshouldbeconsideredincombinationwithwindloadingeffectsandhorizontalseismicactioneffects?[A]40m;[B]60m;
5、[C]80m;[D]100m;[D]allhigh-risebuildingsshouldconsiderthewind-inducedvibrationeffectofwindvibrationcoefficientgreaterthan1.4,thehigh-risebuilding()playsamajorroleinstructuralanalysisanddesign.A,horizontalaction,BandverticalactionC,windloadD,structuredeadweight5,assumingaresidentialbuilding,usi
6、ngcast-in-placereinforcedconcretestructure,structureheightof80meters,seismicfortificationintensityof7degrees,thestructuralsystemismostappropriate.A,framestructureBandshearwallstructureC,barrelstructure,Dandframetubestructure6.Whencalculatingthemomentofinertiaofthebeamsectionoftheframestructur
7、e,considertheinfluenceofthefloor,andtaketheI=()forthecast-in-placefloorandthemiddleframe.(I).A,2I0,B,1.5I0C,1.2I0,D,I0Two.Nounexplanation1,conceptualdesign2,internalforcecombination3、displacementcombination4,theequivalentcolumn(materialp238).
