建筑物地震危险性的模糊理论
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摘要
从安全管理、抗震设计、抗震设备和应急设备等4个方面建立了建筑物地震危险性的评价体系,利用模糊数学综合评判方法对唐山某大型商场地震危险性进行定量综合评价.分别给出了一阶模糊评判、二阶模糊评判和评判等级标准,并指出评判阶数、评判等级、权重系数和评判矩阵的确定应综合各方面意见.结果表明,建筑物地震危险性的模糊综合评判方法可行.根据模糊综合评判结果,确定了建筑物地震危险性评价因素中的薄弱环节,为建筑物抗震防灾性能优化设计及安全管理提供了依据.
A building seismic hazard evaluation system was established in respect of the safety management,earthquake-resistance design,earthquake-resistance equipment and emergency equipment.The comprehensive quantitative evaluation for seismic hazard of a supermarket in Tangshan city was performed on the basis of fuzzy mathematics theory.The first and second level fuzzy evaluation,and the evaluation level criterion were presented.The number of levels,evaluation levels,weighting coefficient and evaluation matrix should be determined under comprehensive consideration.Results show that the fuzzy comprehensive evaluation for building seismic hazard is feasible.According to the results of fuzzy comprehensive evaluation,some weaknesses in evaluation factors of building seismic hazard was found,which provide references for earthquake-resistance optimization design and safety management of buildings.
A building seismic hazard evaluation system was established in respect of the safety management,earthquake-resistance design,earthquake-resistance equipment and emergency equipment.The comprehensive quantitative evaluation for seismic hazard of a supermarket in Tangshan city was performed on the basis of fuzzy mathematics theory.The first and second level fuzzy evaluation,and the evaluation level criterion were presented.The number of levels,evaluation levels,weighting coefficient and evaluation matrix should be determined under comprehensive consideration.Results show that the fuzzy comprehensive evaluation for building seismic hazard is feasible.According to the results of fuzzy comprehensive evaluation,some weaknesses in evaluation factors of building seismic hazard was found,which provide references for earthquake-resistance optimization design and safety management of buildings.
引文
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[2]Beavers J E,Tierney K.Natural Hazards Review[M].Colorado:American Society of Civil Engineers,2000.
[3]Kalkan E,Kunnath S K.Assessment of current nonlinear static procedures for seismic evaluation of buildings[J]E.ngineering Structures,2007,29(3):305-316.
[4]Kanda JI,wasaki R,Kobayashi H,et al.Probability-based seismic safety evalua-tion of existing buildings[J]E.ngineering Structures,1997,19(9):708-717.
[5]Nateghi F,Tavakoli B.A statistical analysis of the damages by Manjil-Roudbar earthquake[C]//Proceed-ings of the 6th Int Seminar on Earthquake Prognostics.Berlin,Germany,1991:24-29.
[6]Baker J W,Cornell C A.Uncertainty propagation in probabilistic seismic loss estimation[J].Structural Safety,2007,16:1-17.
[7]Běhounek L,Cintula P.From fuzzy logic to fuzzy mathematics:A methodological manifesto[J].Fuzzy Sets and Systems,2006,157(5):642-646.
[8]Wen Y K,Collins K R,Han S W,et al.Dual-level designs of buildings under seismic loads[J]S.tructural Safety,1996,18(2/3):195-224.
[9]中华人民共和国建设部.GB 50011—2001建筑抗震设计规范[S].北京:中国建筑工业出版社,2002.Ministry of Construction of the People′s Republic of China.GB 50011—2001 Criterion of Buildings Earth-quake-Resistant Design[S].Beijing:China Architecture and Building Press,2002(in Chinese).
[10]沈建文,石树中.大中小震与抗震设防标准[J].地震学报,2004,26(5):534-538.Shen Jianwen,Shi Shuzhong.Large,middle,small earth-quakes and seismic fortification criterion[J].Acta Seismologica Sinica,2004,26(5):534-538(in Chi-nese).
[11]Marcellini A,Daminelli R,Franceschina G,,et al.Regional and local seismic hazard assessment[J]S.oil Dynamics and Earthquake Engineering,2001(21):415-429.
[12]Feng Deyi,Liu Xihui.Fuzzy Mathematics in Earthquake Researches[M].Beijing:Seismological Press,1985.
[13]狄建华.模糊数学理论在建筑安全综合评价中的应用[J].华南理工大学学报,2002,30(7):87-90.Di Jianhua.Application of fuzzing mathematics for safety comprehensive assessment of construction[J].Journal of South China University of Technology,2002,30(7):87-90(in Chinese).
[14]Kandel A,Byatt W J.Fuzzy processes[J].Fuzzy Sets and Systems,1980,4(2):117-152.
[15]Běhounek L,Cintula P.Fuzzy class theory[J].Fuzzy Sets and Systems,2005,154(1):34-55.
[16]Perrone G,,Noto La Diega S.Fuzzy methods for analys-ing fuzzy production environment[J].Robotics and Computer-Integrated Manufacturing,1998,14(5/6):465-474.
[17]刘劲松,刘福田,刘俊,等.天然地震走时反演矩阵顺序三角化算法的优化和并行化[J].地球物理学进展,2005,20(4):911-915.Liu Jinsong,Liu Futian,Liu Jun,et al.The optimization and parallelization of sequential orthogonal triangulariza-tion algorithms used in seismic tomography[J].Progress in Geophysics,2005,20(4):911-915(in Chinese).
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