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List of products by author: I. Lee
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Crack Detection in Pillar Structure Using Infrared Thermo-graphic Imaging
Abstract: The use of underground space in metropolitan city is increasing. More than 90% of flood damage occurs in the downtown area of metropolitan cities. To prevent and/or minimize flood-induced damage, an underground rainwater detention cavern, to be built underneath existing structures, was proposed by Seo et al. (2012a). As for underground caverns to be built for flood control, multi-caverns will...
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Importance of face pressure and tail void grouting on numerical modeling of shield TBM tunneling through soft ground...
Abstract: Shield tunneling is now becoming a general trend in tunnel excavation. Despite the growing importance of shield tunneling, a prevalent standard for its numerical analysis has not been established yet, due to difficulty in appropriate implementation of face pressure, tail void grouting, and continuous excavation steps during shield TBM tunneling. Since there are various empirical methods to...
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Optimum Freezing Pipe Arrangement for Subsea tunnel Cross Passage Construction
Abstract: Nowadays, linking countries and continents in the global transportation systems becomes an utmost challenge of civil engineering, which attracts a growing interest in construction of subsea tunnels. Among many parts of a subsea tunnel, cross passages connecting parallel twin tunnels, play a role to equilibrate the air pressure generated by passage of high speed trains, and as an emergence...
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