Determine the Rankine active force per unit length of the wall, the variation of active earth pressure with depth, and the location of the resultant. If H = 4m, Ø = 36° and y = 18 kN/m3 Ans. P, = 37.44 kN z = 1.33m m 13.3 Assume that the retaining wall shown in Figure 13.9 is frictionless. Determine the Rankine passive force per unit length of the wall, the variation of lateral earth pressure with depth, and the location of the resultant.

Principles of Foundation Engineering (MindTap Course List)
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Chapter12: Lateral Earth Pressure
Section: Chapter Questions
Problem 12.5P
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13.2 Assume that the retaining wall shown in Figure 13.9 is frictionless.
Determine the Rankine active force per unit length of the wall, the variation of
active earth pressure with depth, and the location of the resultant.
If H = 4m, Ø = 36° and y = 18 kN/m3
kN
Ans. P, = 37.44", z = 1.33m
m
13.3 Assume that the retaining wall shown in Figure 13.9 is frictionless.
Determine the Rankine passive force per unit length of the wall, the variation of
lateral earth pressure with depth, and the location of the resultant.
If H = 5m, Ø = 35° and y = 14 kN/m?
Ans. Pp
645.8 kN
z = 1.67m
m.
Sand
Unit weight = y (or density = p)
%3D
H
c' = 0
8' (angle of wall friction) = 0
Figure 13.9
Transcribed Image Text:13.2 Assume that the retaining wall shown in Figure 13.9 is frictionless. Determine the Rankine active force per unit length of the wall, the variation of active earth pressure with depth, and the location of the resultant. If H = 4m, Ø = 36° and y = 18 kN/m3 kN Ans. P, = 37.44", z = 1.33m m 13.3 Assume that the retaining wall shown in Figure 13.9 is frictionless. Determine the Rankine passive force per unit length of the wall, the variation of lateral earth pressure with depth, and the location of the resultant. If H = 5m, Ø = 35° and y = 14 kN/m? Ans. Pp 645.8 kN z = 1.67m m. Sand Unit weight = y (or density = p) %3D H c' = 0 8' (angle of wall friction) = 0 Figure 13.9
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