Effect assessment of traffic parameters on equivalent sound pressure level (Leq) in the highways of Ahwaz city, Iran
محل انتشار: ششمین همایش ملی مدیریت آلودگی هوا و صدا
سال انتشار: 1396
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 295
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شناسه ملی سند علمی:
CANPM06_177
تاریخ نمایه سازی: 26 مرداد 1397
چکیده مقاله:
Background and Objective:Noise pollution is one of the major environmental problems in cities which have been a growing concern in the last few years. One of the most important sources of noise pollution is transportation and cars traffic .present study was implemented in 2011 with an overall goal of effect assessment of traffic parameters on equivalent sound pressure level (Leq) in the highways of Ahwaz city, Iran. Method:For this study ,data was colletedfrom totally ll2measuring stations, 4 weekdays and 3 intervals as rush hours, yielding to a total number of 1344 traffic noise measurements (Leq) and the influential factors from traffic load and speed of vehicles. In the next step, all field data was put to Excel and SPSS, two soft ware’s for process. Then Regression multi— variables were tested on data in order to present some statistical models.The findings of this study showed that average of equivalent Sound pressure level in all stations is equal to 72/62 in 2/53 dBA.also ,The result of Pearson correlation test showed, there was a marked relation between equivalent Sound pressure level and all traffic parameters (P<0.0l). Conclusion According to the result of this study the equivalent Sound pressure level (Leq) can be effected by the traffic parameters. The models can be developed by defining variables such as: environmental and dimensional factors of roads ,wind speed and gradient effect , climate conditions ,estimation of absorption and reflection by construction materials, estimation of absorption by plant species, etc
کلیدواژه ها:
نویسندگان
zahra chabi ahwazi
M.S student of Environmental Engineering , Air Pollution, Khouzestan Sciences and Researches Branch, Islamic Azad University, Ahvaz, Iran
elahe zallaghi
M.S, Young Researchers and Elite Club , Khouzestan Sciences and Researches Branch, Islamic Azad University, Ahvaz, Iran Environmental Pollutions
mohammad reza monnazam esmail pour
Associate professor of Department of Professional Health Engineering
muhammad sadegh sekhavat-jou
Assisstant professor of Department of Environmental Engineering— Air pollution