期刊
ROCK MECHANICS AND ROCK ENGINEERING
卷 44, 期 1, 页码 1-22出版社
SPRINGER WIEN
DOI: 10.1007/s00603-010-0100-y
关键词
Sheeting joint origins; Shear strength; Landslides; Engineering measures; Roughness characterisation
资金
- Natural Hazard Mitigation Research Group, National Emergency Management Agency (NEMA), Ministry of Public Administration and Security, Korea [NEMA-06-NH-05]
- National Emergency Management Agency (NEMA), Republic of Korea [NEMA-06-NH-05] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Sheeting joints are extensive fractures that typically develop parallel to natural slopes. Embryonic sheeting joints initially constitute channels for water flow and then become the focus for weathering and sediment infill accompanied by progressive deterioration and dilation. Slabs of rock fail along them periodically because of their adverse orientation and long persistence. They are however rough and wavy and these characteristics contribute highly to their shear strength and improve their stability. This paper reviews several landslide case histories and on the basis of these provides guidelines for characterising sheeting joints and determining their shear strength. Engineering options for stabilising sheeting joints in natural and cut slope configurations are then examined with reference to case examples.
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