Repeat Problem 14.25 with = 110 , = 12 , ' = 21 ,. Data From Problem 14.25 Refer to

Repeat Problem 14.25 with β  = 110^ο, α = 12^ο, ϕ' = 21^ο,.

Data From Problem 14.25

Refer to Section 14.13 and Figure 14.28. Determine the seismic earth pressure from the soil backfill on the retaining wall, considering β = 105^ο, α = 88, ϕ' = 30^ο,

is 2 = 14, c'= 30 kN/m, c = 15 kN/m, H = 10 m, y = 19 kN/m, q = 5 kN/m, k = 0.2, and k, = 0.1.