华东交通大学学报2025，Vol.42Issue(1)：1-7,7.
地铁车辆段试车线环境振动影响实测分析
Measured Analysis of Environmental Vibration Influence on Testing Line of Metro Depot
摘要
Abstract
In recent years,the rail transit industry has developed rapidly,but the environmental vibration prob-lems caused by metro operation have attracted more and more attention.In this paper,the environmental vibra-tion of the test line of a metro depot is measured on site,and the influence of different vehicle speeds and differ-ent track forms on the surrounding environmental vibration is evaluated.The vibration characteristics of the source strength and the cover plate are studied by using the method of 1/3 frequency doubling.The results show that in the range of 30～60 km/h,for every 10 km/h increase in vehicle speed,the Z vibration level at the sleeper and adjacent column of the ordinary section increases by 2.2 dB and 1.7 dB respectively.The trapezoidal sleeper can greatly reduce the vibration transmitted to the outer structure of the track.Compared with the ordinary sec-tion,the Z vibration levels of the sleeper and the ground measuring point at 7.5 m of the trapezoidal sleeper sec-tion are reduced by 3.4 dB and 10.1 dB,respectively.The train running speed on the test line is fast,and the vi-bration energy caused by it is large.If it is not controlled,it will far exceed the allowable value of the vibration standard.The vibration value of the upper building set within 24 m near the testing line needs to be focused on.关键词
试车线/振动/实测/车速/梯形轨枕Key words
testing line/vibration/field measurement/train speed/trapezoidal sleeper分类
交通运输引用本文复制引用
刘庆杰,陈松,雷晓燕,徐浩能,冯青松..地铁车辆段试车线环境振动影响实测分析[J].华东交通大学学报,2025,42(1):1-7,7.基金项目
国家自然科学基金项目(51868024) （51868024）
