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http://dx.doi.org/10.9711/KTAJ.2017.19.6.973

Identification and importance analysis of hazards affecting the stability of TBM tunnelling works  

Seong, Joo-Hyun (Research Institute for Infrastructure Performance, Korea Infrastructure Safety & Technology Corporation)
Youn, Jun-Ung (Research Institute for Infrastructure Performance, Korea Infrastructure Safety & Technology Corporation)
Publication Information
Journal of Korean Tunnelling and Underground Space Association / v.19, no.6, 2017 , pp. 973-984 More about this Journal
Abstract
There is a growing need to apply TBM tunnelling method for the construction of underground facilities such as subways and utility tunnels in urban areas. Due to the variability and uncertainty of the ground, tunnelling in urban areas has various safety hazards which could cause damage to people and properties and it is very costly to recover from accidents. Therefore, it is very important to identify hazards from the planning and design phase and to establish risk mitigation measures. In this study, a total of 31 hazards affecting the stability of TBM tunnelling works in urban areas were listed from both the technical literature and correspondence with experts in tunnelling area. The importance and priorities of the hazards were analyzed by conducting Delphi technique, which is a decision-making method by consensus among experts. Finally, 12 hazards that satisfy the content validity criteria were settled and could be used as major control factors for accident prevention during TBM tunnelling works.
Keywords
Hazards; Risk management; TBM tunnelling; Delphi survey; Priorities;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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