Find the total stress σ , pore water pressure u , and effective stress σ ′ at points A , B , C , and D and plot the variations of total stress, pore water pressure, and effective stress.

Question

9.1 Through 9.3 A soil profile consisting of three layers is shown in Figure 9.25.Calculate the values of σ, u, and σ′ at points A, B, C, and D for the following cases. Ineach case, plot the variations of σ, u, and σ′ with depth. Characteristics of layers 1, 2,and 3 for each case are given below:

Answer 1

Question

Chapter 9, Problem 9.2P

To determine

Find the total stress σ , pore water pressure u , and effective stress σ′ at points A, B, C, and D and plot the variations of total stress, pore water pressure, and effective stress.

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9.1 Through 9.3 A soil profile consisting of three layers is shown in Figure 9.25.Calculate the values of σ, u, and σ′ at points A, B, C, and D for the following cases. Ineach case, plot the variations of σ, u, and σ′ with depth. Characteristics of layers 1, 2,and 3 for each case are given below:

9.1 Through 9.3 A soil profile consisting of three layers is shown in Figure 9.25. Calculate the values of o, u, and o' at points A, B, C, and D for the following cases. In each case, plot the variations of o,u,and o' with depth. Characteristics of layers 1,2, and 3 for each case are given below: Layer 1 Groundwater table Layer 2 Layer 3 O Dry sand Clay Sand Rock Figure 9.25 Problem Layer no. Thickness Soil parameters 9.1 1 H - 7 ft - 110 Ib'fn 2 H = 12 ft Y- 121 Ib'ft H, = 6 ft Y = 118 Ib/f3 H =5m P= 0G, = 2 64 H, = 8 m e = 0.55: G, = 2.7 H, = 3 m w = 38%; e = 1.2 9.3 1 H - 3 m Y- 16 kNim 2 H. - 6 m Yu - 18 kN'm 3 H, - 2.5 m Yut - 17 kN/m

9.1 Through 9.3 A soil profile consisting of three layers is shown in Figure 9.25. Calculate the values of ơ, u, and o' at points A, B, C, and D for the following cases. In each case, plot the variations of ơ, u, and o' with depth. Characteristics of layers 1, 2, and 3 for each case are given below: H Layer I Groundwater table H2 Layer 2 Layer 3 | Dry sand Sand a Clay Rock Figure 9.25 Layer no. Thickness Soll parameters H; = 2.1 m Hz = 3.66 m - 1.83 m Ye = 17.23 kN/m 18.96 kN/m 18.5 kN/m 9.1 Yut 3 H3 Yaut