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44120141BuildingStructureVol．44No．1Jan．201421502134。。。TU391A1002-848X201401-0012-04SteelstructuredesignonatriumofabankbuildinginSuzhouDaiYapingZhangZhigangChenLeiSuzhouInstituteofArchitecturalDesignCo．Ltd．Suzhou215021ChinaAbstractAthree-layer-highatriumspaceislocatedbetweenskirtbuildingandthemainbuildingofabank．Theadministrationrestaurantatthefourthfloorwhichformsaladdershapeadoptssteeltrussstructuretorealizearchitecturerequirementsoflargespaceinatrium．Differentsteeltrussarrangementswerecomparedthroughanalysistodetermineoptimalcross-sectionlayout．Throughcalculationoftheoveralltrusshorizontalforcesoffixedbearingswereanalyzed．Torealizethestructuredesignofsteeltrussreasonablejointsdesignandloadingmethodswereadoptedandeffectsofhorizontalforcesonthestructurewereconsidered．KeywordssteeltrusstrusspedestalhorizontalforceloadingmethodEmailyaping．dai@siad-c．com。1。、。222-99.12m41-20.85m4514.3m45。12。2120mm3。5TＲUSS1～546.11737.67733.60429.08525.017m4300mmTＲUSS24。HH500×300×16×2018.3、HH700×350×16×26。120mm5。30mm441．23451。3。TＲUSS1、1。TＲUSS1、1/kN18641.7/kN·m760.8H600×700×55×550.741/kN10.4/kN18782.1/kN·m373.2H600×700×55×550.737/kN5.612。TＲUSS1。15800.1kN。。4555.4365.3848.2433.1623.99mm4。。6。1653120144。6/N/mm22TＲUSS10.4860.741。、。123、。34396.4kN495.2kN。。55.1H7。8。。78/N/m25.2。9。。5.3120mm41441．9150mm10。GPZⅡ11。10115.412121m34。1212、。TＲUSS2105.6kN。620.85m46m1223、4、。13。5751441．4。70%30%。4/mm/s2/mm/s2/%132094628104629272510.579m/s2。0.983m/s2。24Hz。35～10。。4《》GB50017—2003。5300km/h。350km/h。70%30%。6。。。1．J．1981231-15．2ALLENDEMUＲＲAYTM．DesigncriterionforvibrationsduetowalkingJ．EngineeringJournal1993304117-129．3．J．200425257-63．4．J．2010314521-527．5．J．201111245-51．151371、。2、、。3、。4。1．J．20124211-5．2．31mJ．20124296-9．75