한국지반공학회:학술대회논문집 (Proceedings of the Korean Geotechical Society Conference)
- 한국지반공학회 2007년 가을학술발표회
- /
- Pages.127-137
- /
- 2007
단층이란 무엇인가?
What is the Faults?
- Lee, Byung-Joo (Dept. Geology and Geoinformation, KIGAM) ;
- Cheong, Jang-Yeong (Construction Division, Central Region Project Management, Korea Railway Authority)
- 발행 : 2007.09.14
초록
Faults are fractures along which there is visible offset by shear displacement parallel to the fracture surface. Faults can occur as single discrete breaks, but where the rock has been repeatedly faulted, or where the rock is especially weak, no discrete break may be evident. What forms instead is a fault zone composed of countless subparallel and interconnecting closely spaced fault surfaces. Faulting is fundamentally a brittle mechanism for achieving shear displacement. At deep crustal levels where rocks tend to deform plastically under conditions of elevated temperature and confining pressure, shear displacement is achieved by and development of shear zones. In this paper authors propose the fault grade in Korea.