ارائه روش برآورد هزینه‌های چرخه عمر ساختمان در مرحله طراحی مفهومی بر پایه مدل‌سازی اطلاعات ساختمان با استفاده از فهرست‌بهای ملی ایران

نوع مقاله : مقاله پژوهشی

نویسندگان

1 عضو هیئت علمی دانشکده مهندسی عمران دانشگاه علم و صنعت ایران

2 دانشجوی کارشناسی ارشد مدیریت ساخت، دانشکدة مهندسی عمران، دانشگاه علم و صنعت ایران

3 استادیار دانشکده مهندسی عمران، دانشگاه علم و صنعت ایران

چکیده

هزینه‌های در بازه چرخه عمر ساختمان با عنوان هزینه‌های چرخه عمر آن شناخته می‌شوند. در روند طراحی یک ساختمان استفاده از شاخص هزینه اولیه کمتر برای انتخاب یک گزینه از بین گزینه‌های با عملکرد یکسان، ً به انتخابی بهینه از نظر اقتصادی منجر نشود. لذا امروزه طراحان ساختمان و سرمایه گذاران برای ممکن است صرفا انتخاب گزینه مقرون به صرفه نیازمند چارچوبی برای تخمین هزینه‌های چرخه عمر در مراحل اولیه طراحی می‌باشند. هدف از انجام این پژوهش، ارائه چارچوبی برای برآورد هزینه‌های چرخه عمر در فازهای اولیه طراحی ساختمان بر پایه مدل‌سازی اطلاعات ساختمان با استفاده از بانک اطلاعات هزینه‌ای فهرست بهای ایران است. برای این منظور هزینه‌های چرخه عمر یک ساختمان شامل هزینه‌های اولیه (هزینه تهیه و نصب و هزینه حمل)، هزینه‌های تعمیر و نگهداری، هزینه‌های ناشی از بهره‌برداری (مصرف انرژی) و ارزش پسماند در انتهای عمر مفید ساختمان در برآورد هزینه‌های چرخه عمر آن در نظر گرفته شده است. کاربرد چارچوب ارائه شده برای طراحی یک ساختمان مسکونی در شهر تهران مورد سنجش و تأیید قرار گرفت و نتایج نشان داد با افزایش 75 درصدی هزینه های اولیه ، هزینه های سالانه بهره برداری آن به مقدار 54 درصد و مجموع هزینه‌های چرخه عمر پس از 18 سال به میزان 8 درصد کاهش یافته است. بدین ترتیب طراحان ساختمان می‌توانند در مراحل اولیه طراحی، هزینه‌های چرخه عمر ساختمان را برآورد نمایند و طراحی ساختمان را بهبود بخشند

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

BIM-based approach for Estimating life cycle costs of building in conceptual design phase using Iran’s national price list

نویسندگان [English]

  • Mohammad Amin Hamedi Rad 2
  • ali akbar shirzadi javid 3
2 MSc student, Department of Civil Engineering, Iran university of science and technology
3 assistant professor, school of civil engineering, iran university of science and technology
چکیده [English]

All costs within the life cycle of a building are known as its life-cycle costs. In the design process of a building, the use of a lower initial cost index to select an option among others with similar performance may not lead to an economically optimal choice during the lifecycle. Hence today, building designers and investors require a tool to estimate life cycle costs at the conceptual design phase to elect an economically efficient option. The purpose of this study is to provide a framework to estimate life cycle costs of a building at the conceptual design phase based on Building Information Modeling (BIM). For this purpose, the costs of the building’s life cycle, including initial costs (cost of supply and installation based on Iran’s national price list and shipping costs), repair and maintenance costs, operating costs (energy consumption) and salvage value at the end of the building’s useful life are regarded in the estimation of its life cycle costs. The application of the proposed framework was then evaluated and approved for designing a residential building in Tehran. The application of the proposed framework for designing a residential building in Tehran was assessed and validated on two models, and the results showed that by increasing the initial costs in the second model by 75%, its annual operating costs decreased by 54% and total life cycle costs have dropped by 8% after 18 years. In this way, building designers can estimate the life-cycle costs of a building at the incipient stages of design and improve its design.

کلیدواژه‌ها [English]

  • Life Cycle Cost (LCC)
  • Building Information Modeling (BIM)
  • onceptual design phase
  • Iran

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نشریه مهندسی عمران امیرکبیر
دوره 52، شماره 7
مهر 1399
صفحه 1853-1874

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