直立锁边金属屋面系统抗风承载力节点试验研究_于敬海

451720159BuildingStructureVol．45No．17Sep．2015*1213312130007323000723256500。。、。。TU395A1002-848X201517-0083-04NodeteststudyonwindresistancebearingcapacityofthestandingseammetalroofsystemYuJinghai12LiLuchuan1GaiLi3XuTingbo3YanXiangyu121ArchitecturalDesignandＲesearchInstituteofTianjinUniversityTianjin300073China2TianjinSteelBuildingStructureEngineeringCenterTianjin300072China3ShandongWiskindGroupBinzhou256500ChinaAbstractInordertostudythewindresistantperformanceofthestandingseammetalroofsystemreversebearingcapacitytestofthenodewascarriedout．Throughobservationofthedamagephenomenonthedamagelawandtheinfluencingfactorsonwindresistancebearingcapacityoftheroofsystemwereanalyzed．Theresultsshowthatthefailureofthestandingseammetalroofsystemcanbedividedintothreestagesnamelyearlystagelatestageandfailurestage．Thewindresistancebearingcapacityofthestandingseammetalroofsystemismainlyaffectedbythebearingcapacityofthelatestage．Ｒeducingroofpanelwidthcaneffectivelyimprovethewindresistancebearingcapacity．Thewindresistancebearingcapacityofthestandingseammetalroofsysteminthelatestagemainlydependsontheclosenessoftheconstructionseammechanicalocclusion．Itwasrecommendedthereliabilityofthebearingcapacityoftheocclusallocationmustbeensuredintheconstructionprocess．Keywordsstandingseammetalroofsystemreversebearingcapacitynodetestwindresistantperformancedamagelaw*13ZCZDSF01400。[e-mail]。02080、、、。T31、。2-456。。。12、。、。1、232015。231。1/2。65/40011、2～423、1。31/mm/mm/mm/140012000.94240015000.93330012000.933004。165/4002133．1。3141。82.225kg/1254、。3.212W1W25。5484517．44.1316。73-610.36kPa6a。0.74kPa6b6c。0.93kPa“”6d6e。1.30kPa45°。1.48kPa6f6g。1.76kPa6h。4.2、。-72。7-。2。。5820153/kPa21110.360.931.76120.360.931.76130.361.301.96140.360.741.762210.300.751.58220.300.831.65230.300.982.033312.756.006.18322.756.257.50332.756.258.25。、2z33。/kPa31231.181.064.10z1.5。2312、1500mm1200mm2313、400mm300mm。5。1、。2、。33。4。。5。1．———T3J．2013111-6．2．C//．2010．3．J．200636S1458-460463．4．J．20053523-5．5．J．2013361094-100．6．J．201319257-6296．13、、、、、1JGJ3—2010S．2011．206SG524S．2006．3CECS24∶90S．1990．4．J．201433341-43．5CECS159∶2004S．2004．6DBJ15-92—2013S．2013．68