铁路运输中的噪声污染。案例研究:巴格达地铁

IF 1.7 Q2 ACOUSTICS
S. Jasim, A. H. Iswanto, A. Jalil, Ngakan Ketut Acwin Dwijendra, H. H. Kzar, Muhaned Zaidi, Wanich Suksatan, Khaldoon T. Falih, O. Alkadir, Yasser Fakri Mustafa
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引用次数: 1

摘要

噪声污染是严重威胁人类精神、情感和身体健康的环境因素之一。这种污染最重要的来源之一是交通和城市交通产生的噪音,主要是城市铁路。本文评估了车站、客车车厢和列车操作员舱内的噪声污染。连续四个巴格达地铁站被用来收集信息。有三种测量方式:进站、停站和出站。3号站的等效连续噪声水平(Leq)高于其他3个站点,证实了关于噪声污染率的初始假设是正确的。在被研究的空间站中,一号空间站是最安静的。Leq值最高的站为3,最低的站为2。舱内记录的Leq值在允许范围内。3号站测得最高Leq值为81.87 dB(A), 2号站测得最低Leq值为61.24 dB(A)。3工位操作员舱内的Leq测量值最高为70.26 dB(A), 1工位的Leq测量值最低为61.5 dB(A)。虽然操作员舱内的测量值在可接受范围内,但车厢内的噪音水平高于标准。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Noise pollution in rail transport. Case study: Baghdad subway
Abstract Noise pollution is one of the environmental factors that severely threaten humans’ mental, emotional, and physical health. One of the most significant sources of this pollution is the noise generated by traffic and urban transportation, mainly the urban railway. This paper assessed noise pollution at stations, passenger cars, and the train operator’s cabin. Four consecutive Baghdad subway stations were used to collect information. There were three modes of measurement: entering the station, stopping at the station, and leaving the station. Leq (equivalent continuous noise level) at station 3 is more significant than at three other stations, confirming that the initial hypothesis regarding the noise pollution rate was correct. Among the studied stations, Station 1 was the quietest. The stations with the highest and lowest Leq values are 3 and 2, respectively. The Leq values recorded in the cabin are within the permissible range. The highest Leq value measured at station 3 is 81.87 dB(A), and the lowest Leq value measured at station 2 is 61.24 dB(A). The operator’s cabin at station 3 has the highest measured Leq of 70.26 dB(A), and station 1 has the lowest measured Leq of 61.5 dB(A). While the measured value in the operator’s cabin was within the acceptable range, the noise levels in the wagons were above standard.
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来源期刊
Noise Mapping
Noise Mapping ACOUSTICS-
CiteScore
7.80
自引率
17.90%
发文量
5
审稿时长
12 weeks
期刊介绍: Ever since its inception, Noise Mapping has been offering fast and comprehensive peer-review, while featuring prominent researchers among its Advisory Board. As a result, the journal is set to acquire a growing reputation as the main publication in the field of noise mapping, thus leading to a significant Impact Factor. The journal aims to promote and disseminate knowledge on noise mapping through the publication of high quality peer-reviewed papers focusing on the following aspects: noise mapping and noise action plans: case studies; models and algorithms for source characterization and outdoor sound propagation: proposals, applications, comparisons, round robin tests; local, national and international policies and good practices for noise mapping, planning, management and control; evaluation of noise mitigation actions; evaluation of environmental noise exposure; actions and communications to increase public awareness of environmental noise issues; outdoor soundscape studies and mapping; classification, evaluation and preservation of quiet areas.
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