Question

b was condxcied in the leb on aga-gray silty sand and e A taling head permeabity best a-6 25 cm tollowing dala were onained 4-1073 m 1 10 2 cm deita t- 90s tfor head to ral trom to r- 20°c The coeicient of C A 0.044 cm Determine the vertical effective stress at point "A"in Figure 4(drawn to scale). For the permeable soil layer,e-0524, 264, 5-100%, w-20s, dry unit weight . 15.83 kNm ? 25.79 kem2 B. C 65.42 kN/m2 C i5.83 kNm2 C 104.4 kham? C. D. E. none of the above 21 Upward seepage A results in an increase in effective stress C B. depends on the void ratio. C. indicates a change in elevation head. C D. results in a decrease in effective stress. E, none of the above

Answer 1

hy at loge 160-2 6.2.5 x16.28 (#) lupuand Sterger