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NTIS 바로가기자원환경지질 = Economic and environmental geology, v.52 no.1, 2019년, pp.65 - 79
윤현석 (충북대학교 지구환경과학과) , 문성우 (충북대학교 지구환경과학과) , 서용석 (충북대학교 지구환경과학과)
In this study, simple regression and multiple regression analyses were performed to analyze the relationship between breccia and clay content and shear strength in fault cores. The results of the simple regression analysis performed for each rock (andesitic rock, granite, and sedimentary rock) and t...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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단층핵은 무엇으로 구성되어 있는가? | 단층핵(fault core)은 단층 작용 동안에 가장 많은 변위가 집중된 구간으로서 일반적으로 점토(gouge), 파쇄암(cataclasite) 및 각력(breccia)으로 구성되어 있다(Gudmundsson et al., 2010). 이 구성물질들은 지각의 마찰로 인해 암석이 파쇄 및 풍화 작용을 심하게 받았기 때문에 대부분 세립의 연약한 물질로 이루어져 있다. | |
국내 단층대에서 채취한 단층핵 시료를 대상으로 분석한 연구에는 무엇이 있는가? | (2015)은 국내 단층대에서 채취한 단층핵 시료를 대상으로 입도와 전단강도 사이의 상관성을 분석한 바 있다. Moonet al. (2014)은 단층핵에 대한 실내시험 결과를 바탕으로 다중회귀분석을 통해 각력 및 점토의 함량과 수직응력, 전단강도간의 상관관계식을 산정하였고, Yunet al. (2015)은 경주, 울산 지역에서 채취한 단층핵시료를 대상으로 입도에 따른 단층핵의 전단강도 범위를 제안하였다. 이 연구들은 단층핵의 각력 및 점토의 함량과 수직응력, 전단강도간의 관계식을 제안한 것으로서 상대적으로 실내시험이 용이한 입도를 이용해 전단강도를 간편하게 추정할 수 있는 장점이 있다. | |
단층핵의 구성물질 특성은 무엇인가? | , 2010). 이 구성물질들은 지각의 마찰로 인해 암석이 파쇄 및 풍화 작용을 심하게 받았기 때문에 대부분 세립의 연약한 물질로 이루어져 있다. 또한, 지구조적 작용 및 풍화 과정에 따라 구성성분이 변형 및 변질되어 기반암과 다른 특성을 보이고, 주변 암반에 비해 상대적으로 낮은 강도를 가진다(Bieniawski, 1993; Norwegian Rock Mechanics Group,2000; Riedmüller et al., 2001; Kahraman and Alber,2006; Stille and Palmström, 2008). |
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