动力弹塑性分析在桥梁工程中的应用
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摘要
依据我国《建筑抗震设计规范》(GB50011-2001)和《公路桥梁抗震设计细则》(JTG/T B02-01-2008),以及弹性阶段承载力设计和弹塑性阶段变形验算的两阶段设计理论,使用MIDAS Civil 2006通用有限元程序进行某大桥动力弹塑性抗震分析,并对罕遇地震作用下的结构响应进行了综合评定并概括介绍了塑性铰区域纤维模型的建立方法和桩基础的模拟过程.
According to the Seismic Design Code(GB50011-2001) and Highway and Bridge Seismic Design Rules(JTG/T B02-01-2008),as well as the two-stage design theory of bearing capacity design in flexible stage and deformation checking computations in elastic-plastic stage,the dynamic elastic-plastic seismic analysis model of some bridge is established by using of "MIDAS Civil 2006 general finite element program",and the structural response under the rare earthquake is comprehensively assessed.The plastic hinge region fiber model and its using method,and simulation process of pile-soil-structure interaction are also generally introduced.
According to the Seismic Design Code(GB50011-2001) and Highway and Bridge Seismic Design Rules(JTG/T B02-01-2008),as well as the two-stage design theory of bearing capacity design in flexible stage and deformation checking computations in elastic-plastic stage,the dynamic elastic-plastic seismic analysis model of some bridge is established by using of "MIDAS Civil 2006 general finite element program",and the structural response under the rare earthquake is comprehensively assessed.The plastic hinge region fiber model and its using method,and simulation process of pile-soil-structure interaction are also generally introduced.
引文
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[3]范立础,胡世德,叶爱君.大跨度桥梁抗震设计[M].人民交通出版社,2001.
[4]孙利民,张晨南,潘龙,等.桥梁桩土相互作用的集中质量模型及参数确定[J].同济大学学报:自然科学版,2002,30(4):409-416.
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[6]Kent D C,Park R.Flexural members with confined concrete[J].Journal of the Structural Division,ASCE,97(ST7),1971,97(7):1969-1990.
[7]Scott B D,Park R,Priestley M J N.Stress Strain Behavior of Concrete Confined by Overlapping Hoops at Low and High StrainRates[J].ACI Journal,1982,79(1):13-27.
[2]李静斌,葛素娟.高墩桥梁地震响应分析研究[J].河南科学,2009,27(12):1571-1573.
[3]范立础,胡世德,叶爱君.大跨度桥梁抗震设计[M].人民交通出版社,2001.
[4]孙利民,张晨南,潘龙,等.桥梁桩土相互作用的集中质量模型及参数确定[J].同济大学学报:自然科学版,2002,30(4):409-416.
[5]Filippou F C,Popov E P,Bertero V V.Effects of bond deterioration on hysteretic behavior of reinforced concrete joints[C]//Earthquake Engineering Research Center,Berkeley,1983.
[6]Kent D C,Park R.Flexural members with confined concrete[J].Journal of the Structural Division,ASCE,97(ST7),1971,97(7):1969-1990.
[7]Scott B D,Park R,Priestley M J N.Stress Strain Behavior of Concrete Confined by Overlapping Hoops at Low and High StrainRates[J].ACI Journal,1982,79(1):13-27.
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