Chapter
Jul 2, 2019
Investigating the Effect of Corrective Maintenance on the Pavement Life Cycle and the Optimal Maintenance Strategies
Authors: Ahmed S. Mohamed [email protected], Talaat A. Abdel-Wahed [email protected], and Ayman M. Othman [email protected]Author Affiliations
Publication: CICTP 2019
Abstract
This study aims to investigate the effect of corrective treatments on the life cycle of pavement. An optimum analysis is conducted by using the genetic algorithm to find the optimal M&R plan during a 10 year analysis period for each pavement sector where the objectives are minimizing the total costs and maximizing the average performance throughout the 10 years. Two maintenance policies (MPs) are investigated and compared together; MP1 where the rehabilitation and preventive treatments only are allowed along the 10 years; and MP2 where unlimited application of corrective treatments are allowed besides the rehabilitation and preventive treatments. Moreover, sensitively analysis is conducted to investigate the effect of corrective actions at different weights assigned to the policy objectives. The analysis is conducted at weights (0.2, 0.8), (0.5, 0.5), and (0.8, 0.2) for cost and performance respectively.
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© 2019 American Society of Civil Engineers.
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Published online: Jul 2, 2019
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Faculty of Engineering, Civil Engineering Dept., Sohag Univ., Sohag, Egypt. E-mail: [email protected]
Faculty of Engineering, Civil Engineering Dept., Sohag Univ., Sohag, Egypt. E-mail: [email protected]
Faculty of Engineering, Civil Engineering Dept., Aswan Univ., Aswan, Egypt. E-mail: [email protected]
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