تبیین و تحلیل معیارهای کاربری برنامه ریزی زمین در کاهش خطر زلزله جهت افزایش تاب آوری شهری (نمونه موردی: شهر سنندج)

محورهای موضوعی : کالبدی

کتایون بهزاد افشار ¹ (استادیار گروه فیزیک، واحد یادگار امام خمینی (ره) شهرری، دانشگاه آزاد اسلامی، تهران، ایران)
پرویز اکبری ² (دانشجوی دکترای شهرسازی، گروه شهرسازی، واحد شهرقدس، دانشگاه آزاد اسلامی، تهران، ایران)

تاریخ دریافت : 1397/12/19 تاریخ پذیرش : 1397/12/19 تاریخ انتشار : 1398/02/01

کلید واژه: AHP, زلزله, سنندج, تاب آوری, واژگان کلیدی: برنامه ریزی زمین,

چکیده مقاله :

چکیده وقوع زلزله باعث خسارت‌های زیادی به سیستم شهر شده که ناشی از عدم توجه به شناخت عوامل اساسی در آسیب پذیری در برابر زلزله می‌باشد، از این رو لازم است که به بررسی و تحلیل مؤلفه‌های تأثیر گذار کاربرد برنامه ریزی زمین در کاهش خطر زلزله جهت افزایش تاب آوری شهری پرداخته شود. هدف پژوهش کاهش آسیب‌پذیری شهر و تقویت برنامه ریزی کاربری زمین جهت بهینه سازی توانایی‌های شهر برای مقابله باخطرات ناشی زلزله با توجه به معیارهای، فضایی– کالبدی، اجتماعی، اقتصادی است. در این پژوهش سعی داریم که با تلفیقی از (3) معیار ابعاد و (12) زیر معیار و (23)گزینه متفاوت در قالب طیف مفهومی به تحلیل و ارزیابی شهرک اقماری آساوله، سنندج براساس مدل AHP، با استفاده از نرم افزار Expert choice بپردازیم. تحلیل نتایج پژوهش نشان می‌دهد؛ که معیار فضایی- کالبدی دارای بیشترین اهمیت می‌باشد. همچنین نتایج زیر معیارها در مجموعه معیار فضایی – کالبدی نشان می‌دهد؛ که خصوصیات ساختمانی، خصوصیات ژتوتکنیک وکاربری زمین دارای بیشترین اهمیت از نظر کاهش خطر زلزله جهت افزایش تاب آوری شهری شهرک آساوله سنندج را دارا بوده است. Abstract The occurrence of the earthquake has caused a lot of damage to the city system due to the lack of attention to recognizing the basic factors in vulnerability to earthquakes. Therefore, it is necessary to study and analyze the components of land use planning to reduce the risk of earthquakes. To increase urban resilience. The question of this research is: Which of the land use planning criteria are effective against earthquakes and increasing urban alleviation? The purpose of the research is to reduce the vulnerability of the city and strengthen land use planning to optimize the city's ability to cope with the earthquake hazards in terms of criteria, spatial-physical, social, and economic.To analyze the data from the AHP technique and model, use Expert selection and GIS software.In this research, three main dimensions of "dimensions", spatial-facet, social, and economic are considered, which are hypothetical concepts in two alternative situations, "reducing the risk of earthquakes and increasing urban resilience" based on the amount of privileges and relative importance of the case In order to investigate the main objective that includes determining the land application planning criteria to reduce the risk of earthquakes in order to increase urban alleviation, in order to provide raw information, field surveys have been carried out and based on the information obtained through the matrix The points used in the scorecard model are presented and presented in the form of descriptive information set. According to the obtained weights for each of the criteria after the comparison of the pair, according to the sub criteria and the options studied, the spatial and physical criteria with 710 have the highest importance, the economic criterion with 219. Medium importance And the social standard with 070. It has the least importance. Also, the results of the following criteria in the set of space-cluster criteria show that the constructional characteristics weighing 420, the characteristics of geotechnical with a weight of 248., land use with a weight of 159. has the highest weights and interference with a weight of 24. The lowest weight and rank It is important to study the ratio of earthquake risk reduction to increase urban resilience.The analysis of the research results shows that the spatial-physical criteria are the most important. Also, the results show the following criteria in the spatial-physical criteria set: the characteristics of construction, geotechnical properties and land use have the most importance in terms of reducing the risk of earthquakes to increase urban resilience.

منابع و مأخذ:

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