محاسبه کاهش هزینه های عملکردی درارزیابی اقتصادی بهسازی ‏راهها(مطالعه موردی: راه اصلی فسا- زاهدشهر) ‏

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشکده مهندسی عمران، دانشگاه علم و صنعت ایران، تهران، ایران

2 دانشکده مهندسی عمران، دانشگاه علم و صنعت ایران، تهران، ایران4

3 پژوهشکده حمل و نقل، مرکز تحقیقات راه، مسکن و شهرسازی، تهران، ایران

چکیده

به منظور جلوگیری از اضمحلال روسازی و نیز ارتقای سطح کیفی,ترمیم و بهسازی، راهها انجام می پذیرد. هزینه های عملکردی شامل: مصرف سوخت, زمان سفر, تصادفات, استهلاک لاستیک و.... می باشد که کاهش آنها دراثر ارتقای سطح کیفی راه, در انجام ارزیابی اقتصادی, بعنوان منافع پروژه مطرح می شود. در این مقاله منافع حاصل از بهسازی راهها که شامل کاهش هزینه ها می باشد با هم مقایسه می شود و سپس با نتایج بدست آمده از روش نسبت فایده به هزینه (B/C) و روش ارزش خالص کنونی(NPV), الویت بندی هریک در ارزیابی اقتصادی, تعیین می شود. برای تحقق این منظور, الگوی فوق به کمک نرم افزار نوشته شده با زبان برنامه نویسی (Visual Basic), تهیه گردیده است, که خروجی آن درقالب یک مطالعه موردی در محور فسا – زاهدشهر ارایه شده است که بررسی هریک از این عوامل در اقتصادی بودن پروژه های بهسازی, از ویژگیهای الگوی ارایه شده در این مقاله می باشد.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

calculation of Functional Costs Reduction in Economic Evaluation of Roads Rehalibitation(Case Study: Fasa-Zahedshahr Main Road)

نویسندگان [English]

  • A. Mansourkhaki 1
  • S. R. Moosavi 2
  • A. Rezaee-Arjrodi 3
1 Department of Road and Transportation Engineering, Iran University of Science and Technology, Tehran, Iran
2 Department of Road and Transportation Engineering, Iran University of Science and Technology, Tehran, Iran
3 Transportation Research Institute, Housing and Urban Way Research Center, Tehran, Iran
چکیده [English]

In this study, to prevent pavement destruction and enhance the quality level, restoration and improvement of roads are carried out. The operational costs include fuel consumption, travel time, accidents, tires’ wear and tear and so on. In the economic evaluation, reduction of such costs due to the improvement of the quality level of roads is considered as the project’s benefits. In this paper, the benefits gained through roads’ improvement (i.e. costs reduction) are compared with another one and then the priority of each one in the economic evaluation is determined using the results found from the B/C and Net Present Value (NPV) methods. For this purpose, the required model has been prepared using software written with the Visual Basic Programming Language and its output has been presented as the results of a case study carried out in Fasa-Zahedshahr main road. The evaluation of each element in the economic viability of roads’ improvement projects is one of the specific features of the model presented in this paper.

کلیدواژه‌ها [English]

  • Economic Evaluation
  • Net present value
  • The Operational Costs
  • The Evaluation of Each Element
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