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Unformatted text preview: Removal of support Addition of mass Orientation of discontinuities o Presence of water and high pore pressure o Factor of Safety = 1 Metastable Lecture 11 1 of 2 10/2/07 Written By Raymond Leung University of California, Berkeley Professor Ken Johnson Civil Engineering 70 Engineering Geology < 1 Failure > 1 Stable Identify Landslide features o Scars in the hill Types of Mass Movement o Debris flow has more crap in it than mudflow which is uniform sediments o Rock falls, avalanches and debris slides are fast o Earth flow and and slump and earth creep is slower Shale bedding is composed of clay and is slippery o Can cause land slide Hummocky Terrain o All bumping and wiggly Landslide mitigations o Take Material from the scarp and put it at the toe o Lecture 11 2 of 2 10/2/07 Written By Raymond Leung...
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- Fall '07
- Civil Engineering