سنجش ابعاد کالبدی تاب‌آوری شهری در برابر مخاطرات طبیعی (زلزله) (مطالعه موردی منطقه 12 شهر تهران)

نوع مقاله: مقاله پژوهشی

نویسندگان

1 باشگاه پژوهشگران جوان و نخبگان، واحد علوم و تحقیقات، دانشگاه آزاد اسلامی، تهران، ایران

2 دانش آموخته کارشناسی ارشد، جغرافیا و برنامه ریزی شهری، دانشگاه تهران، تهران، ایران

چکیده

میزان خسارات و تلفات ناشی از مخاطرات طبیعی به میزان آمادگی جامعه در برابر واقعه بستگی دارد.تاب آور ساختن شهرها در ابعاد مختلف، راهی مناسب و کارا در جهت تقویت ساختار شهر برای مقابله با بحران‌ها و مخاطرات طبیعی و غیرطبیعی است. مطالعه حاضر به لحاظ هدف کاربردی و به لحاظ روش شناسی توصیفی - تحلیلی است. در این تحقیق برای جمع‌آوری داده‌ها از روش کتابخانه‌ای و اسنادی و برای تجزیه تحلیل داده‌ها از مدل‌AHP Fuzzy استفاده‌شده است.نتایج نشان داد که معیار ویژگی‌های کالبدی بافت با ضریب اهمیت نسبی 0.424 و در بین زیر معیارها نیز، عرض معابر با وزن 0.238، مقاومت ساختمان با وزن0.120 و دسترسی به پارک با وزن 0.102، بیشترین اهمیت را در تاب‌آوری کالبدی منطقه 12 شهر تهران دارند. همچنین نقشه نهایی تاب‌آوری کالبدی منطقه نشان داد که فقط 1.03 درصد از بافت منطقه دارای تاب‌آوری زیاد می‌باشد و 74.64 درصد از منطقه دارای تاب‌آوری متوسط و 24.33 درصد از منطقه دارای تاب‌آوری کم می‌باشد. همچنین نتایج نشان داد که سکونت‌گاه‌های منطقه 12 شهر تهران با توجه به قدمت بناها و کیفیت آن‌ها، دسترسی‌های کم‌عرض، قطعه‌بندی ریزدانه و افزایش سطح اشغال و کمبود فضای باز که همگی زمینه‌ها و عوامل تهدیدکننده جان انسان‌های ساکن این منطقه است، در تقابل با تاب‌آوری شهری قرار دارند. اﯾﻦ ﻣﺴﺌﻠﻪ از آﺳﯿﺐ و ﺧﺴﺎرات ﺑﯿﺸـﺘﺮ اﯾـﻦ منطقه در ﺻﻮرت وﻗﻮع زمین‌لرزه ﺧﺒﺮ می‌دهد.

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