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《Journal of Shandong University of Science and Technology(Natural Science)》 2007-02
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Optimal Analysis of Seismic Vibration Mitigation of Bridge-like Combined Structure

SUN Huang-sheng1,FU Wei2,SUN Yue-dong1(1.College of Civil Eng.and Architecture,SUST,Qingdao,Shandong 266510,China;2.Qingdao Construction Project Supervision Co.Ltd.,Qingdao,Shandong 266071,China)  
Theoretical derivations and numerical analyses on seismic response of bridge-like combined structure system are presented.The seismic response of substructures excited cy El Centro(1940NS) wave is calculated.The relationships between the structure response and parameters in substructure such as frequency ratio,mass ratio and damping ratio are analyzed.Some rules of parameters affecting the structural seismic response are analyzed.At last,according to the minimum principle of vibration energy of two components at bottom part,variation rules of optimal design parameters of vibration mitigation bearings of combined structure at top part are presented.
【CateGory Index】: TU352.1
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