CE2004 lateral earth pressure2010-11_handout0

CE2004 lateral earth pressure2010-11_handout0 - Lateral...

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Unformatted text preview: Lateral Earth Pressure CE2004 What well cover Plastic equilibrium Rankines Theory Active and Passive states displacement Plastic deformation: Shear failure occurring .soil mass Plastic equilibrium 3 1 c 2 f f c cot 1 1 3 3 Rankines Theory of Earth Pressure Soil at Plastic Equilibrium Network of failure planes = slip line field Assumes .soil Rankines Theory: Simple retaining wall z x z smooth wall horizontal soil surface What happens if the wall moves away from the soil (to the left in the diagram)? x is .. What happens to z ? Moves soil towards (or beyond) plastic equilibrium i.e. shear occurs .soil In this condition x = ... 3 1 A decrease in 3 means f decreases so shear failure requires lower 1 f Rankine: Active pressure Active pressure ( p a ) due to of soil...
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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 lateral earth pressure2010-11_handout0 - Lateral...

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