Review_4-Part-A - Review #4 Part A 1. For the retaining...

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Review #4 Part A
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1. For the retaining wall shown below, determine the force per unit length of the wall for Rankine’s acAve state and the locaAon of the resultant. Pa = 116.81kN/m
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2. A retaining wall that has a soH, saturated clay backfll is shown below. For the undrained condi±on o² the backfll, determine Pa aHer the tension crack occurs and is flled with water. .
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3. For the retaining wall shown below, determine the acAve force per foot of wall and its point of applicaAon.
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Uniform Vertical Surcharge A uniform vertical surcharge, q v , increases the vertical stress at all points in the soil behind the wall. The horizontal plane remains a principal plane (no shear stress) and the principal stress in the previous Mohr's circles simply increases. (Remember that the vertical stress is σ 1 for the active condition and σ 3 for the passive condition.) The active and passive stress calculations by Rankine still apply with: Active : at z = 0: at z = H: Passive : at z = 0: at z = H
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This note was uploaded on 12/14/2011 for the course CEG 4012 taught by Professor Staff during the Fall '08 term at University of Florida.

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Review_4-Part-A - Review #4 Part A 1. For the retaining...

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