钢筋混凝土板柱边节点抗震性能试验研究

43520133BuildingStructureVol．43No．5Mar．201312134114000452730050381001244000153。。。TU375.2A1002-848X201305-0060-05ExperimentalstudyonseismicperformanceofRCcolumn-slabedgeconnectionsZhangLei12LiuHaifeng13ZhengPeng4FuJianping11CollegeofCivilEngineeringChongqingUniversityChongqing400045China2GansuArchitecturalVocationalandTechnicalCollegeLanzhou730050China3QinghaiArchitecturalVocationalandTechnicalCollegeXining810012China4ChongqingArchitecturalDesignInstituteChongqing400015ChinaAbstractThreeRCcolumn-slabedgeconnectionswithresistingpunchingshearstirrupsweretestedundercyclicloadsinordertostudythecrackingprocessfailuremodeandseismicperformance．Testresultsrevealthatlateraldriftcapacityofcolumn-slabedgeconnectionswithresistingpunchingshearstirrupscanmeetthecode'srequests．Column-slabconnectionsallocatedwithpunchingshearstirrupsshowbetterseismicperformancethanthoseconfigurestretch．Resistingpunchingshearstirrupshavethefunctionofcontrollingtheoutsidebucklingoftheflexuralreinforcement．Keywordscolumn-slabedgeconnectionresistingpunch[e-mail]。0、、。。1。。11.13BZ1～BZ30.2311。1.2C30、、HRB335、HPB2351BZ116@10012@10010@1202BZ216@10012@10010@120BZ316@10012@10010@60216@10012@100。616。4128@200。。1BZ1435．2fy/MPafu/MPaEs/MPafcu150/MPaBZ110340.84489.491.84×10530.8BZ210346.73495.991.87×10530.4BZ310252.69440.241.75×10527.72。1.32。。。21.4《》JGJ101—962。0.3%33。-P-Δ85%。50%。PΔ。22.14BZ1。4BZ1。5BZ2。。。45°。、。。5BZ2BZ1BZ2。2mmBZ1BZ217.6mmBZ1BZ210.6mmBZ13。。。BZ1BZ3162013。6。6BZ1BZ37BZ1～BZ32mm。。。BZ3。BZ1。2.2-3-738。3。。。。。3。BZ3、BZ1BZ2。33.1。4。9。37mm。BZ2BZ326435．8BZ1～BZ39、。3.2。10。BZ3BZ1BZ2。3BZ3BZ1。103.3μμΔuΔy《》JGJ101—96285%。3。3.8。BZ3。33Δy、ΔmΔuθyθmθu。3Δy/mmθyΔm/mmθmΔu/mmθuμBZ1+9．36+1/125－8．26－1/142+14．1+1/79－16．0－1/72+41．22+1/28－42．59－1/27+4．40－5．11BZ2+9．12+1/128－8．05－1/146+13．7+1/84－17．2－1/67+34．31+1/34－39．59－1/30+3．81－4．90BZ3+8．20+1/143－10．30－1/114+17．7+1/65－18．0－1/64+45．54+1/26－59．27－1/20+5．61－5．80“+”“－”。5。61.5%《》GB50011—20107-1/100。3。3BZ3BZ1BZ2。11-3.4hehe11。11。0.10.2。43620130.1～0.2。3.5。《》GB50010—20108Fleq≤1γRE0．3ft+0．15σpcmηumh0+0．8fyvAsvu1ηη1=0．4+1．2βsη2=0．5+αsh04umη1η2umfth0。11.9.3Fα0MunbFleq=Fl+α0MunbαABIcumh02Icα0。μ412。4。Ft/Fc1.130.1211.9.4。4.43%0.31《》GB50011—20107-1/100。3.014.20.31。。。124Ft/kNFc/kNFt/Fcθy/%θu/%μ+BZ13012491.210.803.604.40－BZ13392491.360.703.715.11+BZ23102511.240.812.923.81－BZ23092511.230.723.314.90MG-33843601.071.165.424.679MG-44483581.250.944.644.94MG-53553511.012.006.463.23MG-64124820.851.195.995.0310XXX-R2833090.92———5DE-2237246.20.961.454.413.0111+BZ22982491.200.963.934.01－BZ23132491.261.024.284.211.131.034.434.2041、、、、。。。2。3、。28462013、。2。。-、。312、、、345。4。、。。5。、。6-。7、、、、、。1．J．2003335589-592．2．J．2003181124-130．3GB50223—2008S．2008．4GB50011—2001S．2001．5．J．200939111-8．6．2008J．20083816-11．7．-、J．200838177-82．8MIDAS———M．2002．9GB50010—2002S．2002．10GBJ135—90S．1990．644、。516。1．D．2004．2JGJ101—96S．1996．3．J．199714A02391-394．4．M．1989．5．TJ．200930247-54．6ACI-ASCECommittee325．Recommendationsfordesignofslab-columnconnectionsinmonolithicreinforcedconcretestructuresJ．ACIStructuralJournal1988856675-696．7GB50011—2010S．2010．8GB50010—2010S．2011．9SAMIMEGALLYAMINGHALI．Seismicbehaviorofslab-columnconnectionsJ．CanadianJournalofCivilEngineering200027284-100．10EHABFEL-SALAKAWYMARIAANNAPOLAKMONIRHSOLIMANetal．Reinforcedconcreteslab-columnedgeconnectionswithshearstudsJ．CanadianJournalofCivilEngineering2000272338-348．11．D．2011．82