郑州某280m高超高层结构设计_魏丰登_李敏_宫伟智

4520201510BuildingStructureVol．45No．20Oct．2015280m12212001352200002280m-。。、88m、、。、。TU318A1002-848X201520-0013-05Structuraldesignona280msuperhigh-risebuildinginZhengzhouWeiFengdeng1LiMin2GongWeizhi21UnitedDesignGroupCo．Ltd．Shanghai200135China2EastChinaArchitecturalDesign＆ＲesearchInstituteShanghai200002ChinaAbstractThesuperhigh-risebuildinginZhengzhouwithspireheightof280madoptsmixedstructuralsystemofframe-corewall．Thedampingandqualitycharacteristicsoftheconcretecorewallandtheinherentductilityofthesteelareusedtoabsorbanddissipatethewindloadandseismicenergy．Throughanalysisandresearchthestructurecouldfulfilltherequirementsofdeformationandcomfortinrelevantcodeswithoutsettingthereinforcinglayersofoutriggers．Theperformance-baseddesignmethodwasusedconsideringcharacteristicsofinclinedcolumnsexistinginthewholebuilding88m-deepcourtyardincorewallhighleveltransferincorewallspecialbeamstringstructureofspirereflector．Structureperformanceobjectiveforbottomstrengtheningareaofcorewallwasnotyieldingunderthefortificationearthquake．Throughtheelasticandelastic-plastictime-historyanalysestheweakpartsofthestructurewerefoundandthemeasuresofsectionsteelandrebardiagonalbracewereadoptedtostrengthenthestructureandtofulfillthestructuralperformanceobjective．Keywordsout-of-codehigh-risebuildinginclined[e-mail]。1CBD、、、255．3m280m60、424m21。“”。88m30m。--420.5m3。《》JGJ3—20101-7190m65.3m34%“”。2①、②、③、④、⑤、⑥、⑦、⑧。3.5m。1000mm48m41m10000～11000kN、、201511.4～1.6。33.17Ⅲ0.15gTg0.45s、0.04。5063%42.3cm/s2。5Tg～6.0s15.75s、。21。1/cm/s2T1/sTg/s5Tg/sγ42.30.10.52.51.195550.10.452.250.92ＲWDI3C1～1.1。2。3.270.15g0.50kN/m2、、。5～6m、。-。8.8。、、。900～400mm1200～850C60～C40。103kg/m234。3.3。80～150mm。。。。。3.4SATWEETABS2。2。。2%100.086m/s20.15m/s2。414520．280m2342SATWEETABS/sT15.755.29T25.335.16T32.612.50T3/T10.450.47X1.99%1.90%Y2.04%1.90%X1/6511/768Y1/6031/695X1.351.22Y1.351.23X95%98%Y94%97%X1/11491/1142Y1/11161/105844.131190m255.3m34%23888m430%1.21.4343970%80%。、。341ETABSSATWEABAQUS23255.3280m190m34%1.35≤1.4≤30%36300m2≤30%≤30%≤50%337≥70%≥80%35350.801≥75%34525%1.8。4.2。1“”2512015320%4。。5。155.61N/mm22ftk5.7N/mm2。、4.1N/mm2。4.35、38156.6～164.6m5。、、156.6～161.6m161.6～164.6m。500mm1.3%。40%。12634。15%。78、。64.4“”。235。。。、、。ABAQUS1100kN935。、、、。4.5“”。614520．280m789351011/MPa“”“”850mm。1Hz1/150。10。SAP2000ANSYS、、、。11“”8“”。ANSYS295MPa。5177250m、-。、、。2、、。3。4、1.4～1.6。、、、、1JGJ3—2010S．2011．2GB50011—2010S．2010．3SUＲESHKUMAＲ．Wind-inducedstructuralresponsesZhengzhouconventioncentrehoteltowerZhengzhouHenanChinaＲ．OntarioＲowanWilliamsDavies＆IrwinInc．2007．4Ｒ．SOM2007．5．Ｒ．2009．71