强震作用下超高层建筑结构MSCSS的响应特性研究
摘要
笔者根据超高层巨型建筑结构体系的构造特点,论述了将结构振动控制原理融入巨型结构本身构造之中的构造新结构体系的方法,并采用这一方法提出了巨子型有控结构体系MSCSS(Mega-sub controlled structural system),分析了MSCSS的构造原则及控制理论背景,研究了MSCSS在罕遇地震及超罕遇地震(加速度峰值达到1000g)时的结构响应控制特性、塑性铰发生规律及结构灾变情况。通过与巨型框架结构的灾变情况相比,表明了MSCSS抵御地震作用的高可靠性及良好的经济性,也表明了将结构振动控制原理融入结构自身的构造之中、通过结构自身的功能单元实现结构响应控制的方法是合适的,是研究超高层建筑结构新体系的有效途径之一。
引文
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[3]Zhang X A,Wang D,Jiang J S.The controllingmechanism and the controlling effectiveness of passivemega-sub controlled frame subjected to random windloads[J].Journal of Sound and Vibration,2005,(283):543-560.
[4]Qin X J,Zhang X A.Vibration controlling character-istics of a new improved mega-sub controlled structuresubjected to random wind loads[C]∥InternationalMulticonference of Engineers and Computer Scientist,HongKong:[s.n.],2009.1342-1347.
[5]Zhang X A,Qin X J,Cherry S,et al.A new proposedpassive mega-sub controlled structure and responsecontrol[J].Journal of Earthquake Engineering,2009,13(2):252-274.
[6]Qin X J,Zhang X A,Cherry S.Study on semi-activecontrol of mega-sub controlled structure by MRdamper subjected to random wind loads[J].Earth-quake Engineering and Engineering Vibration,2008,7(3):285-294.
[7]Lian Y D,Zhang X A,Cherry S.Damping character-istics of friction damped braced frame and its effective-ness in the mega-sub controlled structure system[J].Earthquake Engineering and Engineering Vibration,2007,6(2):171-181.
[8]连业达.MSCS系统控制理论及抗振性能研究[D].西安:西北工业大学,2009.
[9]王茜茜.地震作用下设有摩擦阻尼器的MSCSS动力特性研究[D].西安:西北工业大学,2010.
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