Geomechanics and Engineering

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Development of performance evaluation model for road and railway tunnels in use

  • Kim, Hong-Kyoon (Department of Ground Safety, KALIS) ;
  • Moon, Joon-Shik (Department of Civil Engineering, Kyungpook National University) ;
  • An, Jai-Wook (Department of Ground Safety, KALIS) ;
  • Michael, E.S. (State Maintenance Office, DOT)
  • Received : 2021.12.17
  • Accepted : 2022.03.09
  • Published : 2022.05.10
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Abstract

Accurately evaluating and predicting the performance of facilities is a key task in establishing a maintenance strategy for facilities. The importance of performance evaluation is becoming more pronounced, especially when the aging of facilities requires a huge budget. In this study, performance assessment models were developed for road and railway tunnels. Delphi analysis was performed to identify sub-elements necessary to evaluate the performance of a tunnel. The relative importance of the evaluation factors was derived from the AHP analysis. The correlation analysis was performed between each assessment factor and the final result to verify the significance of the model. For the correlation analysis, the survey data measured through precision safety diagnosis in tunnels in use was applied. The cost effectiveness analysis was also conducted according to the scenarios with different composition of performance factors in order to improve the practical applicability of the evaluation model developed in this study.

Keywords

Acknowledgement

This research was supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (NRF-2020R1I1A3071653).

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