CE2004 Slopes_handout - CE2004 Slopes Origins and general...

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Slopes Origins and general characteristics Models of decline Failure types: Stability analysis Simple rotation failure Mitigation Heave and Creep Fall Translational Slide Slump Flow Spread Subsidence CE2004
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What causes a slope? Natural: Artificial Primary slopes Secondary slopes
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Models of slope change Slope ………… Parallel retreat ………………… (compound retreat) Controlled by: Rate of …………. . Geological/soil structures ……………………
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Slope …………… (Davis’ model) W.M. Davis 1850-1934
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…………. net erosion Slope parallel ………. (Penck’s model)
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Slope ……………… (King’s model) Erosion Erosion Deposition Deposition
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Fall Individual blocks Whole cliff faces ………… release Toppling …………cutting
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Rotational slide (slump) Semicircular failures – …………., isotropic soils Irregular failures – more variable soils ……………. . loading
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Translational slide Planar …………… surface e.g. Faults and joints Depositional surfaces Ancient soils Poor ……………….
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Compound slip …………… types of failure
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Original structure ……………. during failure Particles move against each other as a ………. . Dry (particles roll and slide)
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This note was uploaded on 11/23/2011 for the course ENGINEERIN H203 taught by Professor Michael during the Spring '09 term at Brunel University.

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CE2004 Slopes_handout - CE2004 Slopes Origins and general...

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