INFLUENCING FACTORS ANALYSIS OF ENERGY SPECTRUM FOR PARALLEL BASE-ISOLATED SYSTEM

摘要：

Based on the bilinear hysteretic model, the elastic-plastic energy analysis of the parallel base-isolated system is carried out. Considering three factors of earthquake motion and dynamic character of structure, variation rule of various factor contribution subjected to the total input energy is investigated. Results show that earthquake motion character and natural vibration period of structure affect greatly energy spectra of parallel base-isolated system. The total input energy enlarges with the increase of peak ground acceleration and site predominant period and seismic duration. The sensitivity of energy spectrum to yielding shear coefficient and second stiffness coefficient and friction coefficient and damping ratio is not remarkable. In the range of longer period, the total input energy increases slightly with the increase of friction coefficient and damping ratio.

关键词： parallel base-isolation energy spectrum friction coefficient damping ratio

作者: Qiang RONG Wen-rang CHENG

作者单位: Yantai University, China Southeast University, China

会议类型: 国际会议

会议名称: The 3rd International Conference on The Concrete Future(第三届混凝土未来国际会议)

会议地点: 烟台

会议语种:英文

页码: 363-368

在线出版日期: 2008-10-17（万方平台首次上网日期，不代表论文的发表时间）