砖混教学楼纵向窗间墙抗震性能试验研究

43120131BuildingStructureVol．43No．1Jan．2013*11112161003122100965、、。。。TU362A1002-848X201301-0081-04Experimentalstudyontheseismicperformanceoflongitudinalwallbetweenwindowsofbrick-concreteschoolbuildingWuHao1ZhaoShichun1XuHu1ZhangPengbo1WuGang21SchoolofCivilEngineeringSouthwestJiaotongUniversityChengdu610031China2KeyLaboratoryofConcreteandPrestressedConcreteStructuresofChinaMinistryofEducationSoutheastUniversityNanjing210096ChinaAbstractQuasi-statictestsonfivespecimenswereconductedtoinvestigatetheseismicperformanceoflongitudinalwallbetweenwindowsofbrick-concreteschoolbuilding．Theseismicperformanceoflongitudinalwallbetweenwindowswithdifferentsizeandreinforcementratioofstructuralcolumnwasinvestigatedrespectivelyincludingdamagecharacteristicshysteresisbehavioranddeformationcapacityofspecimens．Theresultsindicatethatthesectionsizeandreinforcementratioofstructuralcolumnhavesignificanteffectontheseismicperformanceofspecimens．Increasingthesectionsizeofstructuralcolumncanimprovetheseismicperformanceoflongitudinalwallbetweenwindowssignificantly．Howeverincreasingreinforcementratioofstructuralcolumntoacertainextentwilldecreasedeformationcapacityoflongitudinalwallbetweenwindows．Thereforeproperlyincreasingthesectionsizeofstructuralcolumnandreasonablycontrollingthereinforcementratioarecrucialimportantintheseismicdesignoflongitudinalwallbetweenwindowsofbrick-concreteschoolbuilding．Keywordsbrick-concreteschoolbuildinglongitudinalwallbetweenwindowsstructuralcolumnsectionsizereinforcementratio*2009BAJ28B01BSFX2009-01SWJTU10XS01。[e-mail]。0、1。、30%5.122。3、RC3。。121RC3c。RC201334RC4。1-567。、、。11.141/2。5ZQ1、ZQ2、ZQ3、ZQ4、ZQ5。ZQ1ZQ2ZQ3××600×900×2401.5ZQ4ZQ5××665×900×2401.4。、、1。1/mm/mm/%/%/%ZQ1900×900—————ZQ2900×900120×2404820.00.70.14ZQ3900×900120×24041420.02.10.43ZQ4835×900185×2404827.80.50.13ZQ5835×900185×240214+21627.81.60.441ZQ2《》GB50011—2010《》ZQ4ZQ22240×115×53MU10M10C25、19.98.926.1MPa6@150。1.254。0.8MPa0.15。《》GBJ101—9610kN13。522.1、3。。30%～40%。6。。31ZQ12———ZQ2ZQ47a3———ZQ3ZQ528431．67b。782.285-“”。。2.2.194。0.14%ZQ20.13%ZQ4“”。0.43%ZQ30.44%ZQ5“”。2Fu、μμ。2ZQ1ZQ2ZQ3ZQ4ZQ5Fu/kN198.7251.4315.3301.3330.21/1261/701/981/501/75μ1.55.02.07.32.3920.13%ZQ40.43%ZQ30.14%ZQ20.44%ZQ530%382013960%～70%20.0%ZQ2ZQ327.8%ZQ4ZQ530%～40%15%～45%。、《》。、7a。、。7b。《》。10。102.2.2。113、。1111。ZQ3ZQ5“S”。he《》GBJ101—96hehe=A/2πV0Δ01AV0Δ0。ZQ1～ZQ5he12。、he1he2he33。3ZQ1ZQ2ZQ3ZQ4ZQ5he10.0400.0440.0480.0480.046he20.0640.1450.0850.1640.059he30.0680.1460.0860.1570.0949048201320mm2～3h。。。41、。、、。。98C50C60C70《》GB50011—20103.9.3、、。2、。、。、。、。3。。4《》GB50376—2006。1．、R．2011．2．J．200939388-91．3．J．20124210139-143123．4JG/T289—2010S．2011．5GB/T50448—2008S．2008．8412he123hehe1ZQ2ZQ4he2he3ZQ3ZQ5。ZQ4heZQ210%。31《》。2《》。3。1．J．2009253150-158．2．———J．2009391150-53．3．J．2009391158-62．4．M．2008．5．M．2009．6．J．2004231-34．7．J．200016230-34．09