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Hyun-Koo Lee, Myung-Kyu Song and Sean Seungwon Lee
The prediction of settlement during tunneling presents multiple challenges, as such settlement is governed by not only the local geology but also construction methods and practices, such as tunnel boring machine (TBM). To avoid undesirable settlement, en...
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Tae Young Ko and Sean Seungwon Lee
Rock fractures in geological conditions are caused not only by applied stress, but also by stress corrosion. Stress corrosion is an environmentally activated chemical process, associated with the fluid-assisted crack growth. Crack growth due to stress co...
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Tae Young Ko and Sean Seungwon Lee
Experiments with gypsum as a model rock material were conducted to investigate the characteristics of crack growth under monotonic and cyclic loading. The specimens had two pre-existing flaws that were placed at different inclination angle, spacing and c...
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Mayzonee Ligaray, Hanna Kim, Suthipong Sthiannopkao, Seungwon Lee, Kyung Hwa Cho and Joon Ha Kim
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