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http://dx.doi.org/10.7474/TUS.2011.21.4.251

A Case Study of Collapse and Reinforcement for Large Span Waterway Tunnel at Thrust Fault Zone  

Kim, Young-Geun ((주)삼성물산 토목기술실)
Han, Byeong-Hyun ((주)삼성물산 토목기술실)
Lee, Seung-Bok ((주)삼성물산 토목기술실)
Kim, Eung-Tae ((주)삼성물산 토목기술실)
Publication Information
Tunnel and Underground Space / v.21, no.4, 2011 , pp. 251-263 More about this Journal
Abstract
The geomechanical characteristics of rock and the structural geological feature of the fault should be studied and examined for the successful construction of large-span tunnel. In this case study, that is a important case for the tunnel collapse and reinforcement during the construction for the waterway tunnel at large thrust fault zone in schist, we carried out geological and geotechnical survey for make the cause and mechanism of tunnel collapse. Also, we have designed the reinforcement and re-excavation for the safe construction for collapse zone and have carried out successfully the re-excavation and finished the final concrete lining.
Keywords
Mica schist; Thrust fault; Tunnel collapse; Re-excavation; Reinforcement;
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