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http://dx.doi.org/10.9711/KTAJ.2022.24.6.715

Developments of performance-based evaluation criteria of utility tunnel  

Byun, Yo-Seph (Dept. of Geotechnical Engineering Research, KICT)
Seong, Joo-Hyun (Corporate Partnership Center, KALIS)
Cho, Gey-Chun (Dept. of Civil and Environmental Engineering, KAIST)
Publication Information
Journal of Korean Tunnelling and Underground Space Association / v.24, no.6, 2022 , pp. 715-724 More about this Journal
Abstract
With the enforcement of the infrastructure management act, the importance of utility tunnels that jointly accommodate life-lines such as electricity, communication, water supply, and heating facilities has increased. The currently applied utility tunnel maintenance system is managed in an accident-preventive safety-based evaluation method. However, this evaluation method has limitations in effective maintenance. In this study, performance evaluation items were derived through the Delphi method to suggest a criterion for quantitatively evaluating the performance of utility tunnels, and the weights for each item were calculated through the Analytic Hierarchy Process (AHP) method. In the future, it is judged that a more reasonable performance evaluation standard of utility tunnel can be prepared if modifications and supplements are made through field application.
Keywords
Utility tunnel; Maintenance; Performance; Delphi; AHP;
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  • Reference
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