Q#2: (a). Refer to part c of Q 1 for problem data and use figure 1 and find how high should be the Ground water table rise so that the effective stress at C is 2000 Ib/ft?. Assume Ysat Ssame for both the la vers. Write ONLY the ANSWERS in front of UNKNOWN PARAMETER given below. [CLO 2]L13] Solution: 1. Yd. . 2. Y'.. 3. Z.... (b). Consider a point load P = 1000lb at various depths given in below table. Calculate the increased Vertical stress. Given poison ratio (u) = 0.35, x = 3 ft and y = 4ft. Write the ANSWERS in TABLE 2. [CLO 2] [ /3] Solution: r(ft) Depth (z) r/z r/nz Ub/ft2) 5.0 ..... .... ..... ... ...... ... ........ 2 ....... ..... ...... ........ 4 6 10 15 20 ..... .... .... ..... .... ... ..........