| SPECIAL SECTION: SAFETY RESILIENCE |
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Noise assessments of urban rail transit stations with fully automatic operating systems |
| CHENG Huihang1, LIU Chang1,2, CHEN Junfeng1, ZHONG Maohua1 |
1. Institute of Public Safety Research, Department of Engineering Physics, Tsinghua University, Beijing 100084, China;
2. Beijing Key Laboratory of City Integrated Emergency Response Science, Tsinghua University, Beijing 100084, China |
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Abstract Urban rail transit systems will have fully automatic operation (FAO) in the near future. The noise characteristics of urban rail transit stations with fully automatic operating systems were investigated at 9 elevated stations along the YF line with noise measurements on the platforms, station halls, control rooms and equipment rooms. The average LAeq of the train arrival and departure noise were below the standard limits of 80 dB(A). The average LAeq in the station halls was 68~76 dB(A) with the high noise levels due to the PA system. The average LAeq in the control rooms was 47~65 dB(A). The average LAeq in the equipment control room ranged from 47 to 61 dB(A). The measured values were used to calculate the daily noise dose received by the station staff which ranged from 69 to 72 dB(A) during the day shift and from 66 to 69 dB(A) during the night shift. The fully automatic systems have lower noise levels than manual control systems and automatic train operation systems when trains are arriving and leaving the stations.
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| Keywords
full automatic operation
urban rail transit
noise
equivalent continuous A-weighted sound pressure level
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Issue Date: 03 January 2020
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2020,
Vol. 60
