توسعه یک مدل اولویت‌بندی برای بازسازی لوله‌های شبکه‌های توزیع آب با حداقل اطلاعات ساختاری

نوع مقاله: مقاله پژوهشی

نویسندگان

1 دانش‌آموخته دکترای رشته مهندسی عمران، دانشگاه آزاد اسلامی، واحد علوم و تحقیقات، تهران، ایران

2 استاد، دانشکده مهندسی عمران و عضو قطب علمی مهندسی و مدیریت زیرساخت‌های عمرانی، پردیس دانشکده‌های فنی، دانشگاه تهران، تهران، ایران

3 استادیار، دانشکده مهندسی عمران، آب و محیط زیست، دانشگاه شهید بهشتی، تهران، ایران

چکیده

یکی از مهمترین زیرساخت‌های شهری شبکه‌های توزیع آب است که برنامه‌ریزی برای بازسازی این تأسیسات، همواره به‌علت استفاده از اطلاعات غیردقیق بهره‌برداری، با پیچیدگی‌های فراوانی همراه است. هدف اصلی در این پژوهش، توسعه یک مدل برنامه‌ریزی بازسازی لوله‌های شبکه توزیع آب با استفاده از حداقل اطلاعات ساختاری و مستقل از اطلاعات بهره‌برداری است. مدل توسعه داده شده در این پژوهش تحت عنوان WDSR-Min نامگذاری شده، که در آن با استفاده از هسته تحلیل‌گر
Fuzzy TOPSIS
علاوه بر ارائه اولویت بازسازی لوله‌ها، سیاست‌های بازسازی آنها نیز مستقل از اطلاعات بهره‌برداری ارائه می‌شود. با استفاده از مدل توسعه داده شده، اولویت‌بندی بازسازی لوله‌های یک شبکه توزیع آب دو حلقه‌ای به‌همراه سیاست‌های بازسازی آنها با دو روش: 1) استفاده از الگوی پیش فرض مدل WDSR-Min؛ و 2) استفاده از الگو منطبق با شرایط مسئله موجود مورد بررسی قرار گرفت و نتایج آن با هم مقایسه شد. نتایج به‌دست آمده بیانگر آن است که برنامه بازسازی به‌دست آمده از مدل WDSR-Min، منطبق بر نیازهای واقعی لوله‌های شبکه توزیع آب برای عملیات بازسازی است. همچنین مشخص شد که برای تعیین اولویت بازسازی لوله‌ها ابتدا باید معیارهای مدل با شرایط منطقه مورد بررسی، تطبیق داده شود؛ در حالی که برای تعیین سیاست‌های بازسازی لوله‌ها ضروری است که صرفاً از الگوی پیش فرض مدل WDSR-Min استفاده شود. به‌وسیله مدل ارائه شده در این پژوهش می‌توان با استفاده از حداقل اطلاعات ساختاری شبکه‌های توزیع آب و مستقل از اطلاعات بهره‌برداری، اولویت‌بندی و سیاست‌های بازسازی لوله‌های شبکه را با دقت قابل قبولی تعیین نمود.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Development of a Prioritization Model for Rehabilitation of Pipes in Water Distribution Systems with Minimum Structural Data

نویسندگان [English]

  • Sattar Salehi 1
  • Massoud Tabesh 2
  • Mohammad Reza Jalili Ghazizade 3
1 PhD, Department of Civil Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran
2 Prof., Center of Excellence for Engineering and Management of Civil Infrastructures, School of Civil Engineering, College of Engineering, University of Tehran, Tehran, Iran
3 Assist. Prof, Civil, Water and Environmental Engineering Department, Shahid Beheshti University, Tehran, Iran
چکیده [English]

Having a reliable rehabilitation plan with sufficient operational data is crucially important for the operation and maintenance of a water distribution systems. This research was conducted to develop a prioritization model for planning the rehabilitation of pipes in water networks when minimum structural data is available.  To accomplish the main objective of the study, WDSR-Min model with Fuzzy TOPSIS technique capability was used to prioritize the pipes rehabilitation. The proposed model was used for the prioritization of pipes rehabilitation in a two-loop water distribution system. The prioritization of pipes rehabilitation were evaluated under two methods by using: 1) the pre-defined template of the WDSR-Min model, and 2) the template consistent with the conditions of the study area. The results showed that the rehabilitation plan obtained from WDSR-Min was aligned with the real needs for rehabilitation in the water network pipes. Furthermore, it was found that to prioritize the pipes rehabilitation it was preferred to localize the model criteria for the conditions of the study area, while to determine the pipes rehabilitation strategies the use of the pre-defined template of the WDSR-Min model was preferred. Using the proposed model in this work makes it possible to determine the prioritization/strategies of pipes rehabilitation using the minimum structural data of water distribution networks and independent of operational data.

کلیدواژه‌ها [English]

  • Water Distribution Systems
  • Rehabilitation
  • Prioritization
  • WDSR-Min
  • Fuzzy TOPSIS

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