ارزیابی ریسک بهداشتی مواجهه با ارتعاش تمام بدن در مسافرین نشسته مترو تهران

نوع مقاله: مقاله علمی- ترویجی

نویسندگان

1 دانشگاه علوم پزشکی گناباد

2 گروه بهداشت حرفه‌ای، دانشکده علوم پزشکی دانشگاه تربیت مدرس

3 گروه بهداشت حرفه‌ای، دانشکده بهداشت و مرکز ارتقای سلامت دانشگاه علوم پزشکی زاهدان

چکیده

 بدن ما در تمامی وسایل نقلیه با ارتعاش تمام بدن مواجه است. ارتعاش سبب اختلالات اسکلتی – عضلانی در اندام­هایی مانند شانه­ها، گردن و کمر می­شود. در این پژوهش، مواجهه مسافرین در وضعیت نشسته در 11 قطار در خطوط فعال مترو تهران در زمان انجام مطالعه بر اساس روش­های [i]RMS و[ii]VDV استانداردهای BS 6841 و  ISO 2631-1  و با دستگاه ارتعاش سنج و آنالیزور SVAN 958 انجام گردیده است. نتایج حاصل از مطالعه نشان داد که میانگین مقادیر RMS برابر با   1 و مقادیر میانگین VDV در زمان مواجهه حداقل و حداکثر مورد نظر در این مطالعه به ترتیب برابر با    42/6  و 6/9 بود. میانگین سطوح ریسک بهداشتی برآورد شده در این مطالعه بر اساس دو روش RMS و VDV به ترتیب در زمان مواجهه 30 دقیقه در هر دو روش پایین و در مواجهه 150 دقیقه­ای در هر دو روش در سطح متوسط ریسک بهداشتی و درون ناحیه راهنمای هشدار بهداشتی توسط ISO  قرار داشتند.



[i]. Root mean square


[ii]. Vibration Dose Value

کلیدواژه‌ها

موضوعات


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