中宇国际大厦超高层结构抗震设计

43220131BuildingStructureVol．43No．2Jan．2013310027204m-。、。3。。TU398.9A1002-848X201302-0007-05Seismicdesignonultra-limithigh-risebuildingforZhongyuInternationalPlazaYuJinhuaXiaoZhibinLiuZhonghuaGanGangArchitecturalDesignandResearchInstituteofZhejiangUniversityHangzhou310027ChinaAbstractAframe-corewallhybridsystemwasappliedinZhongyuInternationalPlazawhichexceedsthelimitofthecode-specificationwiththeheightof204m．Inordertoguaranteetheductilityofthestructuretheperformance-basedseismicdesignmethodwasadoptedanditsperformanceobjectiveswereproposed．Throughelasticanalysisunderfrequentearthquakeelasticanalysisofcriticalcomponentsundermediumearthquakeandelastic-plasticdynamictime-historyanalysisunderrareearthquakeseismicperformancesofthestructureandcomponentswereverifiedbasedonbearingcapacityanddeformationresultsunderdifferentlevels．Structuralanalysiswascarriedoutbythreedifferentcalculationsoftwaretoenhancethereliabilityofthestructuraldesign．Theresultsindicatethattheperformanceobjectivescanbewellrealizedbyproperdesignmeasuresandthestructureissafeandreliable．Keywordsultra-limithigh-ris[e-mail]。1、。49524、3。8.38m21～45.4m6～193.9m21～483.6m520354954.8m4.5m21。5070.1g10.65s。8000。100w0=0.60kN/m22B。204.3m-31Ⅳ。2。42m×42m4.5717.6m×21.7m10.96。-、、。H2013。。、。2。2900～600400～20012。H700×350×14×22H700×250×14×18。1/mm/mm2～2900C6021～23700C453～5900C5524～31700C406～9800C5532～35700C3510～16800C5036～39600C3517～20800C4540600C302Q345×1400SRCC601～51000×34CFTC606～91000×30CFTC6010～201000×30CFTC5521～231000×25CFTC5524～351000×25CFTC5036～44900×25CFTC5045800×25CFTC503939～48210mm3.34°499.5°。3“”“”C411a2233。44.1PMSAPETABSSATWE。0.850.045%45°。0.750.5。25%1.8。343～5。3。0.851.301/6033。8432．3/kN6/sT1T2T3T4T5T6PMSAP14384504.43724.21382.36121.15971.06310.86920.53ETABS14210004.40744.14022.22781.12731.00420.81010.51SATWE14416604.62924.16531.78061.12481.08040.79760.39、4/kN/kN·m5%PMSAPXY2174321002206945921376421/10741/11981.101.091.151.161.101.093.613.89ETABSXY2151020740203900021070001/9351/10641.1781.157—1.1371.0942.9613.475SATWEXY2012520169215890021830291/10341/12631.121.011.271.111.121.023.193.833PMSAP4PMSAP4.2PMSAPS765-1US169US1700.65s535cm/s2。565%80%1。5mCQC。3CQC。55US169US170S765-1CQC/kNX1824418595176741817119766Y1637720001153511724319093X0.9230.9410.8940.919—Y0.8581.0480.8040.903—CQC。4.3PMSAP2、。αmax0.2300.6%5。0.740.60。。66PMSAP。。6920136。。7。7。6/m×m/kN/kN·m/kNW10.9×4.09701153616589W20.9×5.043091480216315W30.9×7.698867458127716W40.9×2．0119848587475W50.9×6.360383918414757W60.9×7.658166027019366W70.9×6.881756057519959。/kN7W17571267405220788W233336818507825985W3761416286779739497W49381697200010394W546519805631033000W644989181774639497W76296135046925353394.4《》JGJ3—20103。7。4.5PKPMEPDA、3。7220187cm/s2。3XY1/1791/219。、、。。4.61225%1.834。01432．8。、12。89。100kN。ftk。。83940414243444546+Nmax/kN1094517202022221935021156597349709747484950515253+Nmax/kN242834585816468274101104207296188887S19394553S1/kPa12649947117—1877S1/ftk0.060.250.020.06—0.93、123150mm。。51、、。2。0.750.5。0.640.48。325%1.8。4。0.6%0.3%。5120mm。63。6C、、。1GB50011—2010S．2010．2GB50009—2001S．2006．2006．3JGJ3—2002S．2002．4．M．2005．5．J．20082461-5．11