TY - JOUR ID - TI - STUDY OF NOISE POLLUTION DUE TO THE SOUND AMPLIFIERS;-CASE STUDY COMPARISON BETWEEN LOCAL AND MODERN MARKET IN DIWANEYAH CITY AU - Mukhtar DH. Abbas AU - Mukhlis H. Mojid AU - Hiba A. Majeed PY - 2017 VL - 10 IS - 4 SP - 612 EP - 619 JO - Al-Qadisiyah Journal for Engineering Sciences مجلة القادسية للعلوم الهندسية SN - 19984456 24117773 AB - The objective of this study is to identify the effect of the noise that result from sound amplifiers which have been used in Local markets on the healthy and psychology of population (vendors and pedestrian). Therefore, we measured the noise level in Local and Modern markets to identify the difference in noise level that create by sound amplifiers where we chose three points in each market at (North, Mid and South) and for a period of seven days and comparison the readings of noise level of both markets with the Iraqi standard. two questionnaires have been carried out in this study, the firs questionnaire is for the vendors. The second questionnaire represents the pedestrians.For a period of seven days, the average of the noise levels (Leq) in Local market for North, Mid and South points were (77.2, 80.2 and 73.4) decibel (dB) respectively while in the Modern market were (66.2, 69.1 and 64.8) dB respectively. The results of the first questionnaire showed that the vendors in Local marked are more harmful than the ones in the Modern market where most of them suffered from hear losing, annoying, boredom, mood flocculation, weakness of focus and other psychological effects but the harm ratio with hypertension was low in both markets. The results of the second questionnaire showed that the harm ratio of shoppers in Local and Modern markets with annoying equal to (92%, 17%), headache (58%, 25%), nervous(25%,25%), boredom (33%,25%), Weakness of focus (58%,42%), nausea (67%,58%), respectively. These results give an impression that the sound amplifiers were the essential reason for increasing the noise level in local markets and the noise level higher than 70 dB cause healthy and psychological effects for the vendors.

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