| Civil Engineering |
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| Complete fuzzy scheduling and fuzzy earned value management in construction projects |
| José Luís Ponz-Tienda, Eugenio Pellicer, Víctor Yepes |
| School of Building Engineering, Universitat Politècnica de València, 46022 Valencia, Spain; School of Civil Engineering, Universitat Politècnica de València, 46022 Valencia, Spain; Department of Construction Engineering, ICITECH, Universitat Politècnica de València, 46022 Valencia, Spain |
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Abstract This paper aims to present a comprehensive proposal for project scheduling and control by applying fuzzy earned value. It goes a step further than the existing literature: in the formulation of the fuzzy earned value we consider not only its duration, but also cost and production, and alternatives in the scheduling between the earliest and latest times. The mathematical model is implemented in a prototypical construction project with all the estimated values taken as fuzzy numbers. Our findings suggest that different possible schedules and the fuzzy arithmetic provide more objective results in uncertain environments than the traditional methodology. The proposed model allows for controlling the vagueness of the environment through the adjustment of the α-cut, adapting it to the specific circumstances of the project.
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Received: 10 June 2011
Published: 04 January 2012
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