MTMD抑制铁路上承钢板梁桥横向振动试验研究  

AN EXPERIMENTAL STUDY ON TRANSVERSE VIBRATION CONTROL OF RAILWAY DECK STEEL PLATE GIRDER BRIDGE WITH MTMD

作　　者：苏木标[1] 李建中[1] 梁志广[1] 

机构地区：[1]石家庄铁道学院,石家庄050043

出　　处：《振动与冲击》2000年第1期19-23,共5页Journal of Vibration and Shock

摘　　要：本文建立了车 -桥 -MTMD系统振动方程 ,对利用多重调频质量阻尼器 (MTMD)抑制铁路上承钢板梁桥横向振动的效果进行了模拟计算和现场试验。结果表明 :MTMD能有效地抑制桥梁横向振动出现的“准共振”响应 ,模拟计算时减振率最大值达到 62 %,试验中实际的减振率最大值达到 5 1.83 %。In the paper,the equations of motion for the vehicle_bridge_MTMD system are presented and the effectiveness of suppressing the transverse vibration of the deck steel plate girder bridge with multiple tuned mass dampers(MTMD) is investigated by the field test and simulated calculation.The results show that the“quasi-resonant”responses of the bridge are effectively suppressed.The maximum transverse vibration amplitude of the bridge is reduced by 51.83% in the field test and about 62% in simulated calculation.

关 键 词：上承钢板梁桥 横向振动 振动控制 MIMD 阻尼器 

分 类 号：U448.212[建筑科学—桥梁与隧道工程] U441.3[交通运输工程—道路与铁道工程]