摘要
为建立粘弹性耗能结构及其保护系统的抗震分析与设计方法,基于虚拟激励法和精细积分法,对设置支撑的五参数Maxwell阻尼减震结构系统进行了系统研究.首先,对设置支撑的五参数Maxwell阻尼器进行建模并引入结构动力方程中,构造设置支撑的五参数Maxwell阻尼耗能减震系统;然后,利用虚拟激励法分析结构的非平稳随机地震激励;最后,利用精细积分法解出五参数Maxwell阻尼耗能减震结构的非平稳地震响应方差.
Aiming at establishing the seismic analysis and design method of viscoelastic energy dissipation structure and its protection system,the five-parameter Maxwell damping structure system with braces is studied based on the virtual excitation method and the precise integration method.Firstly,the five-parameter Maxwell damper with braces is modeled and introduced into the structural dynamic equation to construct a five-parameter Maxwell damper energy dissipation system with braces.Then,the non-stationary random seismic excitation of the structure is analyzed by the pseudo excitation method.Finally,the variance of non-stationary seismic response of the five-parameter Maxwell damped energy dissipation structure is solved by the precise integration method.
作者
李创第
王博文
昌明静
LI Chuangdi;WANG Bowen;CHANG Mingjing(School of Civil Engineering and Architecture,Guangxi University of Science and Technology,Liuzhou 545006,China)
出处
《广西科技大学学报》
2020年第1期50-58,共9页
Journal of Guangxi University of Science and Technology
基金
国家自然科学基金资助项目(51468005)
广西科技大学创新团队支持计划项目(校发[2016]31号)资助.
关键词
五参数Maxwell阻尼器
耗能减震系统
非平稳地震响应
虚拟激励法
精细积分
five-parameter Maxwell damper
energy dissipation system
non-stationary seismic response
pseudo excitation method
precise integration
