钢管混凝土柱与钢筋混凝土基础节点抗冲切性能试验研究

43720134BuildingStructureVol．43No．7Apr．2013*1122171006127100548、、。TU528.571A1002-848X201307-0094-05ExperimentalstudyonpunchingshearbehaviorofCFSTcolumnandRCfoundationbeamnodesBuYonghong1WangYihong1ZhangYao2LiHao21SchoolofConstructionEngineeringChang'anUniversityXi'an710061China2WesternConstructionSeismicInvestigationDesign＆ResearchInstituteXi'an710054ChinaAbstractThepunchingshearbehaviorofcolumnfootnodesofCFSTcolumnsembeddedinRCfoundationbeamswasstudied．Eightspecimensweredesignedwithtogglepinreinforcementshearringreinforcementshearannularplatereinforcementandnoreinforcement．Verticalloadingwascarriedoutonspecimenstostudytheirbearingperformanceandfailuremode．Bycomparingdifferentkindsofnodereinforcementpunchingshearbehaviorwasstudied．TheinfluenceoftogglepinshearringandshearannularplateinthenodecoreareaonthebearingperformanceandfailuremodeofCFSTcolumnfootnodeswasanalyzed．TheresultsprovideareferenceforthedesignandapplicationofCFSTcolumnfootnodes．KeywordsCFSTcolumncolumnfootnodepunchingsheartogglepinshearringshearannularplate*2006E208。[e-mail]。01-34-7。。8910。。。、、。11.11∶68ZJ/J-1ZJ/J-2ZJ/J-3ZJ/J-4ZJ/J-5ZJ/J-6ZJ/J-7ZJ/J-81。。ZJ/J-1ZJ/J-2、、2、ZJ/J-1ZJ/J-23。437．1ZJ/J-1～ZJ/J-81.2、Q235134.4MPa《》GB50010—20104.1.32.72MPa。1.31fy/MPafu/MPaEs/MPa83585092.1×105124166452.1×105224526192.1×1054mm3324392.1×1054。10kN2min。、、。5。26aZJ/J-145°22ZJ/J-1ZJ/J-235920134。。ZJ/J-2ZJ/J-1。6bZJ/J-3ZJ/J-4。ZJ/J-345°、、。ZJ/J-4ZJ/J-3。6cZJ/J-5ZJ/J-6ZJ/J-5ZJ/J-3ZJ/J-6。6dZJ/J-7ZJ/J-8。ZJ/J-7ZJ/J-8。36ZJ/J-1ZJ/J-2ZJ/J-3ZJ/J-4VZJ/J-5ZJ/J-6ZJ/J-7ZJ/J-85669437．。2、。7-。。ZJ/J-8ZJ/J-256%20%～49%。19%～311%。、2/kN/kN/mmZJ/J-11104102.01ZJ/J-21203903.44ZJ/J-31705756.57ZJ/J-41404907.33ZJ/J-51505804.11ZJ/J-61405405.10ZJ/J-71506057.91ZJ/J-81806108.277ZJ/J-1～ZJ/J-8-8-8ZJ/J-3-G1～G5。。45°。9ZJ/J-1ZJ/J-3ZJ/J-6ZJ/J-7-8ZJ/J-3-。9ZJ/J-1ZJ/J-3ZJ/J-6ZJ/J-7-645°。。。、、、、。45°。792013、、。、、、、。41。。2。3。、、、。445°。。511。6。7。45°1.5h0h08mmh0/330°～45°1/3～1/2hh。12mm3。51、。。2。3。1．J．200333963-65．2．J．2006326131-135．3．D．2004．4CECS2890S．1990．5JGJ99—98S．1998．6CECS1882005S．2005．7JGJ138—2001S．2002．8BALLIOGMAZZOLANIFM．TheoryanddesignofsteelstructuresM．LondonChapmanandHall1983．9KUZMANOVICBOWILLIAMSN．SteeldesignforstructuralengineersM．Prentic-hallInc．EnglewoodCliffsNewJersey1977．10．D．2006．11．EC2J．2000301034-37．89