结构阻尼比对地震反应能量的影响
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摘要
通过perform-3d软件基于能量平衡原理,对一钢筋混凝土框架结构在地震波不同结构阻尼比对总输入能、滞回耗能、阻尼耗能的变化规律、滞回耗能和阻尼耗能占总输入能的比例关系,结果得出:随结构阻尼比的增大,总输入能减小,滞回耗能减小,阻尼耗能增加,滞回耗能占总输入能的比例减小,阻尼耗能占总输入能的比例先增加后增加;能量及能量比例增加或减小的速度开始非常迅速,然后慢慢趋于平缓稳定;能量和能量比例与结构阻尼比的关系都可以拟合成指数关系曲线。本文通过选取大量地震波统计分析了震中距对能量比例无明显影响。
引文
[1]黄宗明.结构地震反应时程分析中的阻尼研究[D].重庆:重庆建筑大学,1995.
[2]Housner G W,Jennings P.C.Generation of artificial earthquakes[J].Journal of the Engineering Mechanics Division,1964,90(EM1):113-123.
[3]Housner G W.Behavior of structures during earthquake[J].Journal of the Engineering Mechanics Division,1959,85(4):109-129.
[4]Housner,G.W.Limit Design of Structures to Resist Earthquakes[C]∥Proceedings of the 1st World Conference on Earthquake Engineering.Oakland,Califormia,1956:1-12.
[5]Newmark N M,Hall W J.Seismie design criteriafor nuelear reaetor faeilities.Proe.,Fourth World Conf.on Earthquake Engrg.,Santiago,Chile,1969.
[6]黄宗明,白绍良,赖明.结构地震反应时程分析中的阻尼问题评述[J].地震工程与工程震动,1996,16(2).
[7]Hart G C.Dam Ping in Nuelear Reactors,Proe[C]∥Fifth WorldConf.on Earthquake Engrg.Rome,Italy:1973.
[8]曾明.PERFORM-3D基本操作与实例[M].北京:中国铁道出版社版社,2013.
[9]Mander J B,Priestley M J N,Park R.Theoretical stress strain model for confined concrete[J].ASCE Journal of Structural Engineering,1988,114(8):1804-1826.
[10]GB50010-2010,建筑抗震设计规范[S].
[2]Housner G W,Jennings P.C.Generation of artificial earthquakes[J].Journal of the Engineering Mechanics Division,1964,90(EM1):113-123.
[3]Housner G W.Behavior of structures during earthquake[J].Journal of the Engineering Mechanics Division,1959,85(4):109-129.
[4]Housner,G.W.Limit Design of Structures to Resist Earthquakes[C]∥Proceedings of the 1st World Conference on Earthquake Engineering.Oakland,Califormia,1956:1-12.
[5]Newmark N M,Hall W J.Seismie design criteriafor nuelear reaetor faeilities.Proe.,Fourth World Conf.on Earthquake Engrg.,Santiago,Chile,1969.
[6]黄宗明,白绍良,赖明.结构地震反应时程分析中的阻尼问题评述[J].地震工程与工程震动,1996,16(2).
[7]Hart G C.Dam Ping in Nuelear Reactors,Proe[C]∥Fifth WorldConf.on Earthquake Engrg.Rome,Italy:1973.
[8]曾明.PERFORM-3D基本操作与实例[M].北京:中国铁道出版社版社,2013.
[9]Mander J B,Priestley M J N,Park R.Theoretical stress strain model for confined concrete[J].ASCE Journal of Structural Engineering,1988,114(8):1804-1826.
[10]GB50010-2010,建筑抗震设计规范[S].
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