Refer to the retaining wall shown in Figure 14.18. Given: θ = 15°, a = 0, γ = 17.8 kN/m3, Ï•' = 30°, δ' = 18°, and H = 5 m. Estimate the passive force, Pp, per unit length of the wall using Zhu and Qian's method of triangular slices (Tables 14.2 and 14.3).

Continue to next pg....

22222333333 8 4567890 2 222222333 31 7 9 2 5 1112222222222222 1 186 0 2605059505173952 77889992 2 112 81 899 5 3715 2 1 Table 14.3 Variation of R Eq. (14.12)] R for , (deg) (deg) ,14,' 35 0.2 1.2 .28 .35 45 0.4 14 1.6 .8 2.2 0.6 .65 1.95 2.4 3.2 0.8 1.95 2.4 3.15 4.45 1.0 2.2 2.85 3.95 61 0.2 1.2 1.25 1.32 14 0.4 1.4 1.6 .8 2.1 0.6 1.6 1.9 2.35 3.0 0.8 19 2.35 3.05 4.3 1.0 2.15 2.8 3.8 5.7 0.2 1.15 1.2 1.3 4 0.4 1.35 1.5 1.7 2.0 0.6 16 1.85 2.25 2.9 0.8 1.8 2.25 29 4.0 10 2.05 2.65 3.6 5.3 0.2 1.15 1.2 1.3 35 0.4 1.35 1.5 .65 95 0.6 1.55 .8 2.2 2.7 0.8 18 2.2 2.8 3.8 1.0 2.0 2.6 3.4 4.95 0.2 .15 1.2 1.3 35 0.4 1.35 1.45 1.65 9 0.6 15 .8 21 2.6 0.8 1.8 2.1 2.6 3.55 1.0 1.9 2.4 3.2 48 30 40 45 0 10 15 20