PROBLEM:

For the retaining wall shown, determine the active force per unit width of the wall using Rankine's principle. Also find the location of the active pressure.

SOIL A

SOIL $B$

SOLUTION:

FOR VERTICAL STRESSES:

Point A:

Point B:

@ Point C:

FOR COEFFICIEINT OF EARTH PRESSURE:

Soil A:

Soil B:

FOR ACTIVE EARTH PRESSURE:

@Soil A

@Soil B

$-$consider soil A

$-$consider soil B

@Soil C