不锈钢对接焊缝连接试验及设计建议

43920135BuildingStructureVol．43No．9May2013*210009。30410120SMAW、TIGMIG35。。。TU392.6A1002-848X201309-0083-05ExperimentsanddesignsuggestionsforstainlesssteelweldconnectionsZouRuomengDongJunJinXiaolanInstituteofSteelStructuresNanjingUniversityofTechnologyNanjing210009ChinaAbstractWeldconnectionisoneofthemainconnectiontypesforstainlesssteelstructures．Onehundredandtwentyspecimensofbuttweldconnectionsmadeofausteniticstainlesssteel304weretestedwithdifferentweldproceduressuchasSMAWTIGandMIGandfivekindsofplatethicknesses．Theresultsobtainedtheultimateloadanddeformationofbuttweldconnectionandtherelationshipbetweenthestrengthofweldmetalmetalinheataffectedzoneandbasemetal．ComparingthetestresultsdesigncodesforinternationalstainlesssteelstructuresanddesigncodeforChinesesteelstructurestheweldconnectiondesignsuggestionsofstainlesssteelstructureswhichapplytoChinawereputforward．Keywordsstainlesssteelbuttweldexperimentalinvestigationdesignsuggestion*“”2010-JZ-012。[e-mail]。0、1。SEI/ASCE8-0222002EN1993-1-432006200734AS/NZS46735。。。06Cr19Ni10。106Cr19Ni10E308-166H08Cr21Ni107。5210120。12、。246810mm2mm4mmTIGSMAW4mmMIGSMAW。3、3。8。1.111。2。2、《》GB/T228.1—20102013LsLtts。1/mm2/mm。≥6mmA31＜6mmB42。、3。A/mm1dDrmLoLcL684632202286106104.543033100B/mm2bBRmLoLcL210202013253011641535121045551343A4B1.2CSSWAW-1000DL2mm/min、CSS441001mm/min。22.115S6-1S10-1M10-13。5S2-1～3T2-1T4-25。6。2S43T427TIG48439．3、/mm/mmtsbtsb/mm2/mm2/mm2S2-11.7624.59S2-1W17.39S2-1H17.71S2-1B17.09S2-22251.9024.74S2-2W18.28S2-2H17.37S2-2B17.05S2-31.8625.01S2-3W18.20S2-3H17.12S2-3B17.14S4-13.8624.97S4-1W－S4-1H59.10S4-1B57.08S4-24253.8825.06S4-2W55.45S4-2H58.08S4-2B56.74S4-33.8824.80S4-3W54.82S4-3H55.99S4-3B58.59S6-15.4725.10S6-1W12.44S6-1H12.07S6-1B12.69S6-26255.5824.76S6-2W12.07S6-2H13.46S6-2B12.57S6-35.5025.51S6-3W12.82S6-3H11.95S6-3B12.07S8-17.3825.12S8-1W11.34S8-1H13.07S8-1B10.41S8-28257.3624.77S8-2W12.82S8-2H10.52S8-2B12.57S8-37.3924.69S8-3W12.44S8-3H10.99S8-3B13.20S10-19.4625.04S10-1W29.22S10-1H29.22S10-1B24.28S10-210259.4825.23S10-2W29.03S10-2H26.60S10-2B23.59S10-39.2524.51S10-3W29.22S10-3H27.71S10-3B25.52T2-11.8625.13T2-1W18.27T2-1H17.97T2-1B17.86T2-22251.8825.28T2-2W16.95T2-2H16.98T2-2B17.17T2-31.7925.13T2-3W15.36T2-3H17.75T2-3B17.42T4-13.9324.79T4-1W55.20T4-1H54.60T4-1B52.68T4-24253.9225.19T4-2W－T4-2H54.60T4-2B52.97T4-33.9425.16T4-3W54.24T4-3H53.94T4-3B53.94M6-15.5224.82M6-1W11.70M6-1H10.41M6-1B10.99M6-26255.4924.77M6-2W11.10M6-2H10.18M6-2B11.34M6-35.5025.06M6-3W10.99M6-3H10.99M6-3B11.22M8-17.3824.69M8-1W10.64M8-1H11.70M8-1B11.70M8-28257.3925.19M8-2W10.99M8-2H12.19M8-2B11.34M8-37.3824.96M8-3W11.22M8-3H12.19M8-3B12.19M10-19.4024.99M10-1W26.24M10-1H26.79M10-1B25.52M10-210259.2424.69M10-2W29.22M10-2H22.90M10-2B28.27M10-39.3424.63M10-3W26.42M10-3H29.22M10-3B26.42“S”“T”“M”233“W”“H”“B”。6S2T2-7S4T4-8S6M6-SMAW。6mm8MIGSMAW。TIGSMAWMIG。3、9。。92mmSMAW。58201311S2-12T2-13M6-TIGSMAW14.9%MIGSMAW3.1%～4.9%4.1%。92.2、110S4-1WT4-2W。10、-11～13-9。-。2-11～13。TIGMIGSMAW。314。TIGSMAW14%MIGSMAW3.5%。2.341SMAW10%MIG5%TIG5%23。。4/mm/MPa/MPa//MPa//MPa2683.843676.9070.99625.7230.92684.7584679.170671.6180.99616.8490.91562.630SMAW6688.127677.4530.98627.5620.91558.6748675.285683.1661.01626.0590.93537.77910679.376667.0740.98626.8340.92516.954TIG2682.588671.2150.98714.6321.05670.7624698.850682.5150.98719.4721.03649.4236699.158672.5210.96657.8310.94586.153MIG8683.565670.790.98647.4770.95561.18110690.161678.4050.98653.2070.95533.071。68439．143、10。TIGSMAWMIGσf=Nlwt≤βwfwtβwfwc1τ=VSwIwt≤βwfwv2NlwtVSwIwfwtfwcfwvβwTIGMIGSMAW1.00.950.9。41。2。。3。1．J．201242563-66．2SEI/ASCE8-02Specificationforthedesignofcold-formedstainlesssteelstructuralmembersS．2002．3EN1993-1-4Eurocode3Designofsteelstructurespart1-4generalrules-supplementaryrulesforstainlesssteelsS．2006．4DesignmanualforstructuralstainlesssteelS．3rded．EuroInoxandTheSteelConstructionInstitute2007．5AS/NZS46732001Cold-formedstainlesssteelstructuresS．SydneyStandardsAustralia2001．6GB/T983—1995S．1995．7YB/T5092—2005S．2005．8．D．2012．9．J．20112651-6．10GB50017—2003S．2003．104。。。1．J．20031017-20．2BAIRAGINKRAVANDEK．BehaviorofconcretewithdifferentproportionsofnaturalandrecycledaggregateJ．ResourceConservationandRecycling199393109-126．3．J．200939852-55．4．R．2008．5．J．20113211109-115．6GB50010—2010S．2011．7．M．2005．8．J．200925218-23．9．J．2009252230-234．78