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Journal of Applied Sciences
  Year: 2008 | Volume: 8 | Issue: 22 | Page No.: 4159-4165
DOI: 10.3923/jas.2008.4159.4165
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Time-Cost Trade-off Problem in Construction Project Management, Based on Fuzzy Logic
R. Abbasnia, A. Afshar and E. Eshtehardian

In this study, a new approach has been investigated in solving time-cost trade off problem, because of uncertainties which affect on activity cost. Fuzzy logic theory is employed to consider affecting uncertainties in total direct and indirect cost of a construction project. Non-dominated Sorting Genetic Algorithm (NSGA), a multi objective optimization algorithm, is applied to provide a trade-off between time and total cost. Project manager can also have different non-dominated solutions or pareto solutions which are dependent on his measure of accepted risk through applying α cuts methods in fuzzy logic theory. The proposed model leads the decision maker to select the desirable pareto front solution through acceptable value of α cut.
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  •    A Comparative Study on Time-cost Trade-off Approaches within Critical Path Method
  •    Meeting the Desired Project Completion Time by Stretching Critical Activities
How to cite this article:

R. Abbasnia, A. Afshar and E. Eshtehardian, 2008. Time-Cost Trade-off Problem in Construction Project Management, Based on Fuzzy Logic. Journal of Applied Sciences, 8: 4159-4165.

DOI: 10.3923/jas.2008.4159.4165








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