高层住宅建筑中应急避难间结构设计对策_刘征

451720159BuildingStructureVol．45No．17Sep．2015121122211000222100013、、。TU973．2TU241.8A1002-848X201517-0031-06Structuraldesignmeasuresforemergencyrefugeroomsinhigh-riseresidentialbuildingLiuZheng1PanChongping2ZhangKe1DuLiusheng1XuZiguo2ChenTao2ZhangQin21DalianWandaCommercialPropertiesCo．Ltd．Beijing100022China2ChinaAcademyofBuildingＲesearchBeijing100013ChinaAbstractKeystructuraldesigntechniquesandmeasureswerestudiedbasedonemergencyrefugeroomswithinapracticalhigh-riseresidentialbuilding．Thedeterminationofloadsdesignmethodsforstructureandmembersandstrengtheningmeasuresinanti-explosionandfiredesignswerediscussedindetails．Progressivecollapseanalysiswasaccomplishedtoverifytheanti-progressivecollapseabilityofthebuilding．Therecommendationsonstructuraldesignandstructuraldetailsonemergencyrefugeroomsofhigh-riseresidentialbuildingwereprovided．Keywordsemergencyrefugeroomanti-explosionfi[e-mail]。0、。、。《》GB50016—201415.5.31100m5.5.3254m。。100m、、、。、、。182924.2m3.15m15m93.5m93.45m1。24。2。80.2gⅢ0.45kN/m2C。。、、2.00h。、1、、20151、。2、、、1.0h。3、、、。、。、。22。。2.1《》GB50038—200532ΔPcmN/mm2t0s。ΔPcmt0TNTWＲ。TNT200g400g。、p—'Kdqceqce=Kdp—'12《》GB50779—20124234517．Ｒ≥γGSGE+γBSBK+∑ni=1γQiψciSQik2。、。《》GB50010—20105。TNT1。TNT200g200gTNT。TNT1/mm200g400g20012@1500.29%16@1500.57%16@1500.67%16@751.34%25012@1500.25%14@1500.33%16@2000.36%16@1000.72%。2.21C30、HＲB400HＲB335HＲB400。2。30.25%1.5%。125mm200mm。4。5、、。6。3。3.13.1.16。t=qfdkbwfkc7qAKAb槡H86q18．槡82893tminqfdMJ/m2kb0.07min·m2/MJwfkcqMJ/m2Am2K104～113MJ/min·m2．5Abm2Hm。3t。3.1.2-10TT=T0+345lg8t+14T0℃。3.1.3ThTh=TB－KTB－Tw/a15TB℃Tw℃a1MJ/m2·h·℃。、TytTyt=Th－Th－T0erfy/2α槡t6ymαm2/h。3。332015330mm400℃。300℃。400℃400℃。400℃。。100～400℃600℃40%。。3cm400℃。3.21720cm3cm15cm3cm、。2。3、C60。4《》GB50222—95。4。。4.1《》GB50011—201011。。4.21/120。4.31/120。。5。5.1《》JGJ3—20101213。ABAQUS1“P-Δ”、、。2-、、434517．。5.2、4CS1CS2CS3CS4。45.3CS3、2CS3。CS3、5627。。。56CS3、89。。72896TNT20.25%。740m221m、3.15m。0.7kg。、TNT/kg/m22/mm200gTNT400gTNT2000.803.152500.502.00532015。71200g400gTNT。、1.0h。2。。3、。1GB50016—2014S．2014．2．J．2014442340-43．3GB50038—2005S．2005．4GB50779—2012S．2012．5GB50010—2010S．2011．6ＲICHAＲDLP．TheSFPEhandbookoffireprotectionengineeringM．QuincySocietyofFireProtectionEngineering2008．7BSEN1992-1-2∶2004Eurocode2designofconcretestructures—part2generalrules—structuralfiredesignS．LondonStandardsPolicyandStrategyCommittee2004．8．———J．198515748-53．9ACI216Ｒ-89GuidefordeterminingthefireenduranceofconcreteelementsS．NewYorkAmericanConcreteInstitute1989．10ISO834-1∶1999Fire-resistancetests—elementsofbuildingconstruction—part1generalrequirementsS．GenevaInternationalStandardsOrganization1999．11GB50011—2010S．2010．12JGJ3—2010S．2011．13．J．200636IS79-82．201371C。28CQC8。387%0.3、。8PEＲFOＲM-3D。1ASCE/SEI41-06SeismicrehabilitationofexistingbuildingsS．VirginiaAmericanSocietyofCivilEngineers2007．63