绵阳三江大桥减震分析  

Analysis on Shock Damping of Sanjiang River Bridge in Mianyang

作　　者：杨勇 宁平华 乐小刚 

机构地区：[1]广州市政设计研究院,广东广州510060

出　　处：《城市道桥与防洪》2015年第2期54-56,共3页Urban Roads Bridges & Flood Control

摘　　要：首先,对设置了粘滞阻尼器的绵阳三江大桥进行了纵向非线性地震反应分析。接着,讨论了粘滞性阻尼器各参数对减震效果的影响,并选取最优参数。最后,对比了设置阻尼器前后桥梁主要构件地震反应。The article analyzes the longitudinal nonlinear seismic response of Mianyang Sanjiang River Bridge equipped with viscous damper, discusses the influence of various parameters of viscous damper on the shock damping effect, selects the optimal parameters, and compares the seismic response of the main bridge members before and after the installation of damper.

关 键 词：地震响应 减震 粘滞性阻尼器 

分 类 号：U442.5[建筑科学—桥梁与隧道工程]