This standard specifies the noise limits and reverberation time of subway station platforms. This standard is applicable to the evaluation of noise and reverberation time of subway station platforms of various forms and structures. GB 14227-1993 Noise limits for subway station platforms GB14227-93 GB14227-1993 Standard download decompression password: www.bzxz.net

Engineering Construction Standard Full-text Information System
National Standard of the People's Republic of China
GB14227—93
Noise limits on platform of subway station
Noise limits on platform of subway stationConstruction Standard
Published on 1993-03-06
Implemented on 1993-11-01
Published by the State Bureau of Technical Supervision
W Engineering Construction Standard Full-text Information System
National Standard of the People's Republic of China
Noise limits on platform of subway station
Noise limits on platform of subway stationSubject Content and Scope of Application
This standard specifies the noise limits and reverberation time of subway station platforms. This standard is applicable to the evaluation of noise and reverberation time of subway station platforms of various forms and structures. Reference Standards
Measurement of noise on subway station platforms
GB/T14228
3 Terms
Platform noisewwW.bzxz.Net
noiseonplatform
Noise generated on the platform when the EMUs enter or leave the station. 4 Limits
4.1 The average equivalent A-level sound level (LAeg) of the EMUs entering or leaving the station shall not exceed the value specified in Table 1. Table 1 Limits of noise on subway station platforms
4.2 The platform reverberation time (T) at 500Hz shall not exceed the value specified in Table 2. Limit
Table 2 Limits of reverberation time of subway station platforms Limit
Monitoring methods and rules
GB 1 42 2 7—9 3
(LAeg)
5.1 The measurement of noise and reverberation time of subway station platforms shall be carried out in accordance with the provisions of GB/T14228. 5.2 The limit of noise for entering and leaving the station platform includes occasional sudden sounds such as whistles. Approved by the State Administration of Technical Supervision on March 6, 1993 and implemented on November 1, 1993
Engineering Construction Standard Full Text Information System
Additional Notes:
This standard is proposed by the Ministry of Construction of the People's Republic of China. This standard is under the jurisdiction of the Ministry of Construction's Urban Construction Standards and Technology Management Unit and the Ministry of Construction's Urban Construction Research Institute. This standard is drafted by the Beijing Institute of Metro Science and Technology, the Ministry of Railways' Labor Hygiene Research Institute, and the Changchun Passenger Car Works of the Railway Corporation. The main drafters of this standard are Wang Side, Liu Yang, Peng Zhanhui, Zhang Chunhua, Xu Jianliang, Wen Zhiwei, Liu Tujun, Wang Yuelin and Wang Jinghong.
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