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http://dx.doi.org/10.9711/KTAJ.2013.15.5.523

Management and concept of the monitoring system considering the characteristics of subsea tunnels  

Park, Eui-Seob (Underground Space Research Team, Korea Institute of Geoscience & Mineral Resources)
Shin, Hee-Soon (Underground Space Research Team, Korea Institute of Geoscience & Mineral Resources)
Cheon, Dae-Sung (Underground Space Research Team, Korea Institute of Geoscience & Mineral Resources)
Jung, Yong-Bok (Underground Space Research Team, Korea Institute of Geoscience & Mineral Resources)
Publication Information
Journal of Korean Tunnelling and Underground Space Association / v.15, no.5, 2013 , pp. 523-536 More about this Journal
Abstract
In order to ensure the safety of the subsea tunnel during its construction and operation, unlike the underground structures on land, the special monitoring system is essential which considers the characteristics of subsea tunnels in addition to conventional stress and displacement measurements applied to existing land tunnels. Therefore, the concept applied to NATM is reorganized to evaluate the stability of subsea tunnels. And the observation system for making a monitoring plan, the critical strain theory for tunnel safety management and MS monitoring methods for detecting the local failure and crack initiation of rock and supports, are introduced. Finally, the scheme of monitoring and management for subsea tunnels by using these methods is suggested.
Keywords
Subsea tunnel; Monitoring system; Critical strain; Warning level; Observation system;
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