基于结构动力学的框架结构的加固方法
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摘要
分析动荷载作用下框架结构产生较大振动的成因;通过实际工程的结构动力学模拟分析,说明合理的结构设计及消除共振等有关振动的结构因素,可以达到减振的目的;提出工程加固施工注意事项,以及方便、安全与经济的加固方法;通过工程实际运营,证明该方法效果良好.
This article analyzes the causations that bring larger vibration to the framework structure under dynamic load,introduces measures to eliminate resonant vibration of the structure and such construction factors relating to the vibration on the rational design through imiating the structure dynamics of practical projects,aims to achieve damping.It also points out where attention should be paid and the method to strengthen the structure safely in order to facilitate economicly and conveniencely when reinforce the construction.It was proved efficient through the practical projects running.
This article analyzes the causations that bring larger vibration to the framework structure under dynamic load,introduces measures to eliminate resonant vibration of the structure and such construction factors relating to the vibration on the rational design through imiating the structure dynamics of practical projects,aims to achieve damping.It also points out where attention should be paid and the method to strengthen the structure safely in order to facilitate economicly and conveniencely when reinforce the construction.It was proved efficient through the practical projects running.
引文
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[15]张阿舟,赵令诚.实用振动工程(2)——振动控制与设计[M].北京:航空工业出版社,1997.
[2]Tong W H,Liu G R.An optimization procedure for truss structure with discrete design variables and dynamic constraints[J].Computers&Structures,2001,79(2):155-162.
[3]Sedaghati R,Suleman A,Tabarrok B.Structural optimizatiom with frequency constraints using the finite element force method[J].AIAAJ,2002,40(2):382-388.
[4]Cardosc J B,Arora J S.Design sensitirity analysis of nonlinear dynamic response of structural and mechanical systems[J].Structural Optimization,1992(4):36-46.
[5]Gladwell G W L.Inverse problems in ribration[M].Boston:Martinus Nijhoff Publishers,1986.
[6]克拉夫R W.结构动力学[M].王光远,译.北京:科学出版社,1981.
[7]王文亮.结构动力学[M].上海:复旦大学出版社,1991.
[8]刘昭培,丁学成.结构动力学[M].北京:高等教育出版社,1989.
[9]王广军.震损建筑修复加固的设计与施工[M].北京:地震出版社,1994.
[10]张有才.建筑物的检测、鉴定、加固与改造[M].北京:冶金工业出版社,1997.
[11]周传荣.结构振动特性设计方法及其展望[J].振动、测试与诊断,1990(4):1-11.
[12]徐丽,吴高烈.结构动力学损伤诊断研究现状综述[J].国外建材科技,2006(1):33-34.
[13]荣建华,郑健龙,徐飞鸿.结构动力修改及优化设计[M].北京:人民交通出版社,2002.
[14]吴克恭,闫云聚,姜节胜.钢架与板组合结构动力学形状优化研究[J].机械科学与技术,2000,19:63-65.
[15]张阿舟,赵令诚.实用振动工程(2)——振动控制与设计[M].北京:航空工业出版社,1997.
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