|
|||||
|
|
| 消能伸臂体系减震性能的参数变异性影响分析 | |
| 引用本文： | 刘良坤,潘兆东,谭平,张尚荣. 消能伸臂体系减震性能的参数变异性影响分析[J]. 振动与冲击, 2021, 0(2): 111-118 |
| 作者姓名： | 刘良坤 潘兆东 谭平 张尚荣 |
| 作者单位： | 东莞理工学院生态环境与建筑工程学院;广州大学工程抗震研究中心;宁夏大学土木与水利工程学院 |
| 基金项目： | 国家重点研发计划(2019YFC1511004);国家自然科学基金(51908129);东莞理工学院科研启动专项经费项目(GC300501-128,GC300502-30)。 |
| 摘 要： | 为研究结构参数变异性对消能伸臂体系减震性能的影响,推导了该体系的有限元振动方程,同时提出地震响应简化分析的"Maxwell型阻尼器计算法",并结合Gauss-Hermite降维算法分析了确定性激励、随机地震激励作用的参数变异影响情况.结果表明:Gauss-Hermite降维算法既能保证精度又能提高计算效率;确定性激励时... |
| 关 键 词： | 参数变异 消能伸臂 减震 降维 随机 |
Influence of parameters variation on the aseismic performance of a damped outriggers system |
|
| LIU Liangkun,PAN Zhaodong,TAN Ping,ZHANG Shangrong. Influence of parameters variation on the aseismic performance of a damped outriggers system[J]. Journal of Vibration and Shock, 2021, 0(2): 111-118 | |
| Authors: | LIU Liangkun PAN Zhaodong TAN Ping ZHANG Shangrong |
| Affiliation: | (School of Environment and Civil Engineering,Dongguan University of Technology,Dongguan 523808,China;Earthquake Engineering Research&Test Center,Guangzhou University,Guangzhou 510405,China;School of Civil and Hydraulic Engineering,Ningxia University,Yinchuan 750021,China) |
| Abstract: | The finite element vibration equation of a damped outrigger system was deduced to analyse the mitigation performance of the system with the consideration of parameters variation.The“Maxwell type damper calculation method”was proposed to solve the random system seismic response and with the Gauss-Hermite descending dimension algorithm,the influence of the parameters variation on the system damping effects under deterministic and stochastic excitation was investigated.The results show that the Gauss-Hermite descending dimension algorithm has both higher computation efficiency and good accuracy.Under deterministic exercitation,the standard deviations of storey responses of both the traditional outrigger system and the damped outrigger system rise with the variation parameters increasing,and it is rather lower for the damped system.When considering the random exercitation,the damped outrigger system still remains in a good state of seismic mitigation and it is less sensitive to the system parameters variation and is of better robustness. |
| Keywords: | parameters variation damped outrigger seismic mitigation descending dimension random |
| 本文献已被 CNKI 维普 等数据库收录！ | |