屈曲约束支撑在高层钢结构住宅中的应用

43420132BuildingStructureVol．43No．4Feb．201365030248.6m-。-、。、。、-、。-TU318A1002-848X201304-0066-05Applicationofthebucklingrestrainedbraceinhigh-risesteelstructureresidencesFengMingYangCongwuCaoZhidanTanYongmeiKunmingIron＆SteelGroupDesignInstituteCo．Ltd．Anning650302ChinaAbstractAhigh-risesteelstructureresidenceis48.6metershighstructuralsystemoftheresidenceisthesteelbracedframestructureanditsmainanti-lateralforcecomponentsarebucklingrestrainedbraces．Throughanalysisofavarietyofstructuralformsstructuralfeaturesoftheframework-bucklingrestrainedbracestructuresystemwereelaboratedsuchassmallseismicactioneffectandsuperiorplasticenergydissipationcapacity．Keytechnologieswereintroducedincludingdeterminationofdesigncontrolinternalforceforthebucklingrestrainedbraceanddesignofconnectionnodesamongthesupportrodsframebeamsandcolumns．Throughtheoverallstructurecalculationunderfrequentearthquakestructuralseismicelasticanalysisunderfortificationintensityandpureframestructureseismiccalculationwithoutregardingtheeffectofbucklingrestrainedbracesitisconcludedthatseismicperformanceoftheframework-bucklingrestrainedbracestructureisgoodanditstechnicalandeconomicindicatorsarereasonable．Keywordssteelbracedframestructurehigh-riseste[e-mail]。11612m2。C648.60m12.5m×33.6m6852.55m213.3m1～163.0m174.5m。--621～11TJ11～16、。2、、1。508Ⅱ0.45s0.160.9。500.30kN/m212、、B。22.1、、。434．88.95kg/m271kg/m225%。2.2-。、。、、。2.3-《》GB50011—201050m、。、、。、。2.4-、、。。。4-。33.1、2.0kN/m23.5kN/m27.0kN/m22.0kN/m22.0kN/m22.5kN/m22.0kN/m20.5kN/m2。3.23.2.1SATWE201015XY97.31%94.87%《》JGJ3—20105.1.13。1X2Y3T3/T1=0.77083.4.5。1。SATWE1/s/°XY12.442179.550.990.0022.42689.540.001.0031.882178.300.010.003.2.2SATWE2。2《》JGJ99—985.5.1、5.5.25.5.1《》CECS26120098.3.8。2XY1/202881/87091/41281/397103.2.3λ7934.836t。X、Yλ=3.130%λ=3.230%。X5.2.5λ≥3.2%。3.2.4SATWE1.27X1.30Y5.5.23.4.3。3.2.5SATWE1.020～1.5915762013γ23.5.2≥0.7。。3.2.6、SATWE1.02～1.123.5.3≥0.8。3.2.7X、Y18.0519.66105.4.4。3.2.8Mr/Mov3MrMov。32.1.7。Mr/Mov3XYMr/Mov/%Mr/Mov/%68.5409.97013.7604.79044.1。。4.1.1SATWE“”0.45。4.1.21、。。2X、Y1/14381/13910。。4.2-。4.2.1PKPM。4.2.2Mr/MovX14.660.00Y5.280.00。X1/2976Y1/2156。。4.2.31/215、。55.1、。、。、。5.1.1、1。5.1.2Q235BQ345B、。。ZC-11～51330～1509kN86434．528kN1400kN1281kN。TJⅡ-E235×140×3600A。42。4/mNb/kNNby/kNNbu/kN/mmAe/mm2/mm3～5128114002576260×35681029025.2、5.2.1HHH450×200×8×12H450×180×8×12H450×150×8×12H400×150×8×10H350×150×6×10H350×150×6×8H350×120×6×8HN248×124×5×8HN198×99×4．5×7。5.2.2、。。5.2.3C50C45C40600×16550×16500×16450×14450×12400×12400×10350×8。400×10400×8350×8。5.3100mm、120mm。。66.1、、、。1.151.61.841。ZC-31～31400kN2576.0kN、1050×35。ZC-31、3。3ZC-31、6.22396201316～20mm2mm。500mm。6.3、、。6.4。ZC-1ZC-2ZC-3ZC-4KZ1KZ2KZ4KZ32311.71535.01973.72942.5kN6829.44563.25851.18801.7kN。1、、。。8.2.81.2。。、。71-、。2。3。1．TJM．2010．2JGJ99—98S．1998．3CECS2612009S．2009．“”6．5。。“”6。、57。、、30003。、、、、、。。。。。。。。“”、3。36、26、89576。103。“”3。64。40025600。1231。“”“”“”。07