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    題名: Impact of budget uncertainty on project time-cost tradeoff
    作者: Yang, I-tung
    貢獻者: 淡江大學土木工程學系
    關鍵詞: Chance-constrained programming;project management;risk analysis;statistical estimation;time-cost tradeoff
    日期: 2005-05
    上傳時間: 2010-03-26 17:07:23 (UTC+8)
    出版者: Piscataway: Institute of Electrical and Electronics Engineers (IEEE)
    摘要: Any project has to be supported financially. The budget allocated to the project, however, is subject to uncertainty due to various financial, market, and political risks. The present paper incorporates budget uncertainty into project time-cost tradeoff. The proposed model formulates financial feasibility as a stochastic constraint, transforms it into a deterministic equivalent in the case of normal, beta, or triangular distribution, and solves the equivalent accordingly. The direct result is a minimum time-cost curve, which relates the shortest project duration to different levels of budget. The present study shows that a higher degree of budget uncertainty represents a tighter financial constraint and, thus, needs extra contingency duration. Moreover, if the financial constraint has to be met at a higher probability level, extra contingency costs are necessary to ensure an on-time completion. An actual remodeling project is used to demonstrate the application.
    關聯: IEEE Transactions on Engineering Management 52(2), pp.167-174
    DOI: 10.1109/TEM.2005.844924
    顯示於類別:[土木工程學系暨研究所] 期刊論文


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