Lecture 7 Landslides

Lecture 7 Landslides - Lecture 7: Landslides and Slope...

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1 Lecture 7: Landslides and Subsidence Land Slides Mass wasting Movement Factors Types of mass movement Classification of landslides Urbanization and landslides 2 Lecture 7: Landslides and Slope Stability Mass Movement downhill movement of debris (+/- water) under the direct influence of gravity = mass wasting Must have a slope: Natural: Man made: - rivers, mountains - road-cuts - lava flows ,faults - housing - wave cuts, glaciers 3 Lecture 7: Landslides and Slope Stability Factors affecting Driving and Resisting forces on slopes, or failure Earth Materials Slope angle and topography Water Climate Vegetation Time 4 Lecture 7: Landslides and Slope Stability Earth materials strength and stability: Angle of repose: the maximum angle that loose material will sustain Strength and cohesion varies with respect to stratigraphy and earth materials Strength and cohesion controls the type of down slope movement ; i.e. slump, slide or creep
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This note was uploaded on 01/19/2012 for the course EARTH SCIE 1081 taught by Professor Samrussell during the Fall '11 term at UWO.

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Lecture 7 Landslides - Lecture 7: Landslides and Slope...

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