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International Journal of Mathematical, Engineering and Management Sciences

ISSN: 2455-7749


Optimal Policies of Social Infrastructures Maintenance using Shock and Damage Model

Optimal Policies of Social Infrastructures Maintenance using Shock and Damage Model

Akihiro Yamane
Department of Engineering, Tottori University, Minami 4-101, Koyama, Tottori-Shi, Tottori, 680-8552, Japan.

Kodo Ito
Department of Engineering, Tottori University, Minami 4-101, Koyama, Tottori-Shi, Tottori, 680-8552, Japan.

Yoshiyuki Higuchi
Faculty of Symbiotic Systems Science, Fukushima University, Fukushima-Shi Fukushima, Japan.

DOI https://doi.org/10.33889/IJMEMS.2021.6.6.098

Received on February 10, 2021
  ;
Accepted on October 25, 2021

Abstract

Social infrastructures such as roads and bridges are indispensable for our lives. They have to be maintained continuously and such maintenance has become a big issue in Japan. Social infrastructures are maintained under strict restrictions such as decreasing in local finance revenue and scarcity of skilful engineers. Various kinds of factors such as inspection periods, maintenance costs, and degradation levels, are necessary to consider in establishing efficient maintenance plans of social infrastructures. Furthermore, the special circumstances of social infrastructures such as the delay of constructions which is caused by the scarcity of budget, must be discussed for the efficient maintenance plan. For such discussion, the stochastic cost model which contains preventive and corrective maintenances is useful. Although these models have been studied in mechanical and electronic systems, unique characteristics of social infrastructures such as their enormous scale and delays due to maintenance budget restrictions must be considered when such social infrastructure models are discussed. In this paper, we establish maintenance models of infrastructures which some of preventive maintenance must be prolonged. The expected maintenance cost rate is established using the cumulative damage model and optimal policies which minimizes them are considered. Three basic models and their extended models which consider natural disasters are discussed.

Keywords- Social infrastructures, Asset management, Maintenance, Optimal policy, Cumulative damage model.

Citation

Yamane, A., Ito, K., & Higuchi, Y. (2021). Optimal Policies of Social Infrastructures Maintenance using Shock and Damage Model. International Journal of Mathematical, Engineering and Management Sciences, 6(6), 1646-1666. https://doi.org/10.33889/IJMEMS.2021.6.6.098.

Conflict of Interest

The authors confirm that there is no conflict of interest to declare for this publication.

Acknowledgements

The authors would like to thank the editor and anonymous reviewers for their comments that help improve the quality of this work.

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