Abstract
AbstractTime-cost-resources usage variation trade-off analysis is one of the most challenging tasks of construction project planners. Project planners face complicated multivariate, time-cost-resource optimization (TCRO) problems, which require simultaneous minimization of total project duration and total project cost, while considering issues related to optimal resource allocation and leveling. The authors present a shuffled frog-leaping model to solve complex TCRO problems in construction project planning. The proposed model is different from existing optimization models in construction project planning. The proposed shuffled frog-leaping model considers the simultaneous optimization of three important objective functions in project planning: (1) minimizing total project duration, (2) total project cost, and (3) total variation of resource allocation. This model finds optimal Pareto fronts of project planning solutions in the three-dimensional space of total project duration, total project cost, and tot...
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