3. A 6-m-high retaining wall is shown in the following picture , the wall is vertical and frictionless. For the backfill, it is known that c=10kPa , p=30° , y=18&N / m' .Try to use Rankine's theory of earth pressure to calculate the active force per unit length of the wall and the location of the resultant. (Note: p, = yzK, – 2c/K, , K, = tan°(45°.

Principles of Foundation Engineering (MindTap Course List)
8th Edition
ISBN:9781305081550
Author:Braja M. Das
Publisher:Braja M. Das
Chapter12: Lateral Earth Pressure
Section: Chapter Questions
Problem 12.5P
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3. A 6-m-high retaining wall is shown in the following picture , the
wall is vertical and frictionless. For the backfill, it is known that
c=10kPa , 9=30° , y=18&N /m² .Try to use Rankine's theory of
earth pressure to calculate the active force per unit length of the
wall and the location of the resultant. (Note: p, = yzK, – 2c.JK, ,
K¸ = tan°(45° – 2) ).
4
4 4
H
Transcribed Image Text:3. A 6-m-high retaining wall is shown in the following picture , the wall is vertical and frictionless. For the backfill, it is known that c=10kPa , 9=30° , y=18&N /m² .Try to use Rankine's theory of earth pressure to calculate the active force per unit length of the wall and the location of the resultant. (Note: p, = yzK, – 2c.JK, , K¸ = tan°(45° – 2) ). 4 4 4 H
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