A retaining wall has a vertical back face with a horizontal granular backfill. Given: H = 6 m, γ = 18.5 kN/m3,
Find the passive force
The passive force
Given information:
The height (H) of the retaining wall is 6.0 m.
The soil friction angle
The unit weight
The equation for the angle of wall friction
Calculation:
Determine the angle of wall friction
Substitute
Calculate passive force
Here,
Refer Figure (14.4) “Variation of
Take the passive earth pressure coefficient for the soil having friction angle of
Substitute 9.0 for
Thus, the passive force
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