汶川地震绵竹市建筑震害分析和设计建议

31120091()JOURNALOFNANJINGUNIVERSITYOFTECHNOLOGY(NaturalScienceEdition)Vo.l31No.1Jan.2009胡夏闽(南京工业大学土木工程学院,江苏南京210009):2008-10-30:(1958)),,,,-,E-mai:[e-mail].:根据在绵竹收集的灾害调查资料,简要介绍汶川地震中绵竹市震害的基本情况,针对中小学建筑结构体系砌体结构和框架结构的楼梯间混凝土预制空心板楼盖圈梁和构造柱强柱弱梁等问题,着重介绍震害的典型特征,分析建筑在地震中的破坏原因,并在总结震害的经验与教训的基础上,提出相应的抗震设计建议,供实际工程应用参考.:地震;典型震害;破坏原因;设计建议:TU312+.3:A:1671-7627(2009)01-0030-09AnalysisofbuildingdamagesinMianzhuinWenchuanearthquakeandcorrespondingant-iseismicdesignproposalsHUXia-min(CollegeofCivilEngineering,NanjingUniversityofTechnology,Nanjing210009,China)Abstract:ThehazardsituationofMianzhuin5#12Wenchuanearthquakewasbrieflyintroduced.Seismicdamagesofthestructuresysteminprimaryandmiddleschoolbuilding,staircaseofbuilding,precastconcretehollowslabfloor,ringbeamandconstructionalcolumn,strongcolumn-weakbeam,etcwerediscussed.Therepresentativecharacteristicsofbuildingdamagesduringtheearthquakewereindetailde-pictedbyphotosandthecausesofbuildingdamageswereanalyzed.Basedontheexperiencesandlessonsoftheseearthquakedamages,somecorrespondingproposalsfortheant-iseismicdesignwerepresented.Keywords:earthquake;typicaldamages;damagecauses;designproposals20085121428,Ms810.(10314b,3110b),11.-,.,311km/s49b,300km,120s,80s,9m,1010km[1]..,.,1245km2,5112.5#12,.120086255#126,52517B00,11117,35700,5200,1898;117hm2,015hm2,0167hm2,213hm2,1619,275;117,78,3740m2;226,111,76m2;527,2568km,2841km,,230km;100%,448,6,180.,1328.24d,10d.,,,,,.211.,,.,5#12,1250(1153),1/10.70%,60000,,76m2,42m2,7,3000.10,.21111,..,,,,,,.,,,,.1.1(a),1(b).,,,,,2,,,,.2.1Fig.1TypicalstructuresystemofteachingbuildingsofprimaryandmiddleschoolsinMianzhu311:2Fig.2Schoolsbuildingscollapsedintheearthquake,,.21112,.,,.,-.,,.,,,,.,,-,.,,.,1,3,.212,,5#12,,,,.21211,:,,,,3(a);,,3(b);,,,,,3(c),,,,3(d).,,,,,,,4(a).,32()31,4(b),,,.,,,4(c).L,,,,4(d).3Fig.3Staircasedamagesofmasonrystructure4Fig.4Staircasedamagesofframestructure331:21212,,,,.,.,.,.,,0,,.,,,,,,.,K,.,,,.,,.,,,,.5Fig.5Damagesofprecastconcretehollowslabfloor213(),,.1976,,,/0.,32a,,,,,.,.21311,,,,,,,,5.,,.,.,:1),;2),,;3),.21312,,,.,.,,;,34()31,,,.,,,,,(),,.,.,,,,,,,.214/0/0.1976,,,.,.,,,.214116(a),,4,.6(b),,,,,,.6Fig.6Damagesofmasonrybuildingswithoutringbeamsandconstructionalcolumns7(a)7(b)26,,,,.,,,.7(c),,,,,,,,.,,.,,,,,.7(d),3,,.,,.21412,.2:.,,,;351:7Fig.7Damagesofmasonrybuildingswithringbeamsandconstructionalcolumns,,,.,,,,.,.,.,:1),.,,;/0,,.2).,X;,.,.3),,,,,.,.,,.,,/0.,,,,.215,,/0/0/0./0,,.,/0.,,/0,,,.21511,,36()31/0/0:1),/0.,,,100~300mm,.,,/0.,/0.8(a),,.2),/0.,:(),(),,,.,,,.,PKPM,,,/0.,,.8(b),,,/08/0Fig.8Damagesof/strongbeam-weakcolumn0frames,,/0.3),/0.,,,.,20%~30%[2-3],,/0,,/0.8(c),,371:.4),/0.,,,8(d).,,67,,,/0.,,,,,,,.21512/0,,,,,/0,/0.,,,,,,.,/0//.,,/0.1),,,,,,,,,/0,.2),,,,/0.,,,/0.(),,,,/0.,,.3).,[4],6.4),/0,,,,.,/0,..3,5,,,.:[1].5#12810[EB/OL].[2008-10-21].[2],,,.[J].,2005,35(S1):420-422.ChenLibao,ChenMingxiang,GaoZuoping,eta.lFEManalysisforplateeffectinspatialframeofmainworkshop[J].IndustrialConstruction,2005,35(S1):402-422.[3].[J].,1997(2):29-33.LiuJianxin.Anewseismicdesignmethodofframestructureswithinfilledwalls[J].BuildingScienceResearchofSichuan,1997(2):29-33.[4],,,.[J].,1994,15(6):11-16.JiangYongsheng,ChenZhongfan,ZhouXuping,eta.lAseis-micresearchonRCframejointofmonolithicallycastedslab[J].JournalofBuildingStructure,1994,15(6):11-16.责任编辑:管珺38()31