4.5 Article

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

Journal

GEOMECHANICS AND ENGINEERING
Volume 29, Issue 3, Pages 369-376

Publisher

TECHNO-PRESS
DOI: 10.12989/gae.2022.29.3.369

Keywords

AHP; evaluation; maintenance; performance; tunnel

Funding

  1. Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education [NRF-2020R1I1A3071653]

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This study developed performance assessment models for road and railway tunnels, identified the relative importance of evaluation factors through Delphi and AHP analysis, conducted correlation analysis and cost effectiveness analysis to verify the practicality and accuracy of the model.
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.

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