The different altitude up to base plate and distance between suspension girder has been set up and it lead to different damping ratio . lots of experiment is done in order to find optimum altitude and distance of suspension girder 研究发现,不同悬栅设置高度,不同栅条间距时产生的消能效果不同,并对此用模型试验进行了最佳悬栅高度及栅条间距的优化分析。