Noise and vibration test analysis of working and resting spaces in subway equipment areas

Abstract

Field measurements of noise and vibration were conducted in the working and resting space of the equipment area of the Guangzhou Railway Station subway station, using equivalent continuous A-weighted sound level (LAeq), maximum Z vibration level (VLzmax), and frequency division maximum vibration level (VLmax) for evaluation. The results of the study showed that: The worst noise environment in the car control room and the quietest in the locker room; Comparing the different normative limit requirements, the equivalent continuous A-weighted sound level of each measurement point meets the standard differently; Noise decreases with increasing frequency and noise is dominated by 100~200Hz; Under the influence of the train on the indoor vibration of the building, the values of frequency division maximum vibration level of each measurement point are greater than the values of maximum Z vibration level; Train passing time ground measurement point vertical vibration energy is mainly distributed in 50~250Hz, vibration acceleration level peak in 80~100Hz between. This study has some reference value for the evaluation of noise and vibration in the working and resting space of the equipment area of the subway station and is important for the improvement of the sound environment of the subway staff in the future.