Question

Problem 1 (45%) properties Nm 30 The eosting sol (below the bose) has the 18 kNm ."z 36. The wall is embedded 1 m into the existing soil coarse-grained sol wh wn in Figure 1, is required to retain 6 m of soil. The backdil o a with Yt18 K and a drainage system base of the wall as en is provided, as shown, The groundwater level is 4.5 m below the cloaged during the surface. Negiect a. Determine the stability of the wall (assume 20). b Determine the stability of the wall, if the drainage system several days of a rainstorm and the groundwater rises to seepage forces Unit weight of concrete is ye 24 KN/m 0.5m Backfill 4.2 m Concrete, 24 kN/m Figure 1 Structure in question

Answer 1

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