The boundary between sand and silt is 5 mm O 0.074 mm O 0.002 mm O 2 mm O 6 mm O
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- a) plot the variation of active pressure along the wall and b) determine the magnitude and location of the active force for a 5 ft segment of the wall.2. Refer to figure 8.16. Calculate o, u, o'at A, B, C, and D for the following cases and plot the variations with depth. (Note: e = void ratio, w =moisture content, Gg = specific gravity of soil solids, Ya = dry unit weight, and ysat = saturated unit weight.) н, 3 1.5 т Ya = 17.6 kN/m³ H2 = 1.83 m Ysat = 18.87 kN /m³ H3 = 2.44 m 19.65 kN /m3 Ysat =1 BCM of material will be larger after being placed and compacted. True False
- Explain how the shear strength of sand changes with respect to suction in various zones.Q6/ A-Give one example for each case: I Basic volcanic rock with fine grains size with dark color. 2 Acidic volcanic rock with glassy texture light color 3 Basic plutonic rock with coarse grains size and dark color 4 Plutonic ultra-basic rock and dark color 5 Mechanical Sedimentary loose rock () with diameter > 2 mm3. What ion is present in between 2:1 non expanding type of clay which causes its non-expanding nature/behavior? * A. H+ B. K+ C. Na+ D. Li+
- Which of the following are examples of true cohesion in sands or gravels? Pick all that apply. O Clayey overconsolidated sands. O Sand densified thorugh earthquakes or other geologic mechanisms. O Partially saturated sand as we use to build sand castle at the beach O Cementation between particles by calcium carbonate or similar chemical agents.Q6/A-Give one example for each case : 1 Basic volcanic rock with fine grains size with dark color. 2 Acidic volcanic rock with glassy texture light color 3 Basic plutonic rock with coarse grains size and dark color 4 Plutonic ultra-basic rock and dark color 5 Mechanical Sedimentary loose rock (l) with diameter > 2 mmDetermine void ratio n = 0.125
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