Chapter
Jul 11, 2012
Stochastic Optimization of Construction Projects Planning with Genetic Algorithm
Publication: Construction Research Congress 2012: Construction Challenges in a Flat World
Abstract
This paper presents a stochastic approach for optimization of significant parameters of project control such as duration and budget in construction projects with Genetic Algorithm (GA). Increasing of uncertainty in project executions encourages the project planners to model construction projects by stochastic optimization methods. In this study, GA is considered as a controlled Markovian process in selection, mutation, and crossover stages which are incorporated into an explicitly given transition matrix. The non-stationary Markovian chain representation of GA is applied to construction project as an example to optimize total project cost and duration with stochastic critical path method. We also consider the asymptotic of the steady state distributions as population size increases. The proposed approach improves the project planner estimation during the project feasibility study stage to avoid project delays and over budget.
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© 2012 American Society of Civil Engineers.
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Published online: Jul 11, 2012
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Ph.D. Candidate, Department of Civil Engineering and Engineering Mechanics, Columbia University, New York, NY 10027.E-mail: [email protected]
Assistant Professor, Economics of the Sustainable Built Environment (ESBE) Lab, School of Building Construction, Georgia Institute of Technology, Atlanta, GA 30332.E-mail: [email protected]
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.