Q# 1. Organic soils are typically characterized by high void ratio, low specific gravity, and high compressibility. Following are the results of a consolidation test on a sample of organic soil. Pressure, oʻ (kN/m²) Change in dial reading, AH (mm) 6. 12 0.284 0.150 24 0.315 0.564 0.823 2.25 5.34 48 100 200 400 Given that the initial height of the specimen = 20.6 mm, mass of dry specimen = 12 g, area of specimen = 31.67 cm?, and G, = 2.49. %3D a. Plot the e, logo' curve. b. Determine the preconsolidation pressurel c. Calculate the compression index, C:

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A sample of saturated clay was placed in a container and weighed. The weight was 6N. The clay in its container was placed in an oven for 24 hours at 105˚C. The weight reduced to a constant value of 5N. The weight of the container is 1N. If Gs = 2.7, determine: a) Water Content  b) Void Ratio  c) Bulk Unit Weight  d) Dry Unit Weight  e) Effective Unit Weight

Soil mechanics