Extracted text: 11.4 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 obtained from southwest Florida. Pressure, o' (kN/m²) Change in dial reading, AH (mm) 0.284 12 0.150 24 0.315 48 0.564 100 0.823 200 2.25 400 5.34 Given that the initial height of the specimen 12 g, area of specimen a. Plot the e-log ơ' curve. b. Determine the preconsolidation pressure. c. Calculate the compression index, C.. = 20.6 mm, mass of dry specimen = 2.49, = 31.67 cm?, and G, © Cengage Learning 2014