Article2009

Optimizing Resource Leveling in Construction Projects

120 citations0/0 files storedJournal of Construction Engineering and Management

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Resource-Constrained Project Scheduling Construction Project Management and Performance BIM and Construction Integration

Abstract

Construction schedules, generated by network scheduling techniques, often cause undesirable resource fluctuations that are impractical, inefficient, and costly to implement on construction sites. This paper presents the development of two innovative resource leveling metrics to directly measure and minimize the negative impact of resource fluctuations on construction productivity and cost. The first metric quantifies the total amount of resources that need to be temporarily released during low demand periods and rehired at a later stage during high demand periods. The second measures the total number of idle and nonproductive resource days that are caused by undesirable resource fluctuations. The two new metrics are incorporated in a robust and practical optimization model that is capable of generating optimal and practical schedules that maximize the efficiency of resource utilization. An application example is analyzed to illustrate the use of the model and demonstrate its capabilities. The results of this analysis show that the present model and metrics are capable of outperforming existing metrics and eliminating undesirable resource fluctuations and resource idle time.

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References

1999Optimization of Resource Allocation and Leveling Using Genetic Algorithms 1996Construction Resource Scheduling with Genetic Algorithms 1999GA-Based Multicriteria Optimal Model for Construction Scheduling 1989Resource Leveling in Construction by Optimization 2004Use of Genetic Algorithms in Resource Scheduling of Construction Projects 1980Precedence and Arrow Networking Techniques for Construction 2001Resource Scheduling Using Neural Dynamics Model of Adeli and Park

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2015Optimizing Multiple-Resources Leveling in Multiple Projects Using Discrete Symbiotic Organisms Search 2011Optimizing project selection and scheduling problems with time-dependent resource constraints 2019Solving Resource-Constrained Project Scheduling Problem via Genetic Algorithm 2019A many-objective optimization model for construction scheduling 2011Multiobjective Optimization of Resource Leveling and Allocation during Construction Scheduling 2021Fuzzy-multi-mode Resource-constrained Discrete Time-cost-resource Optimization in Project Scheduling Using ENSCBO

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