2.A cylindrical sample with a circular cross section is given a load as shown in Figure 2 with the following data: P= 50 ton, Di= 15 cm, Li= 30 cm, AD/2= 0.25 mm, AL/2= 2 mm, and g= 10m/s^2. P Kondisi awal sampel AL/2 Kondisi akhir sampel Setelah pembebanan AD/2 AD/2 AL/2 D, Figure 2 b. Calculate the engineering stress (in N/mm2 unit), vertical engineering strain, lateral engineering strain, and Poisson's ratio.

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Take o, = 580 kPa (Figure 1) Express your answer to three significant figures and include the appropriate units. HÀ ? o, = Value Units Submit Request Answer Figure Part B Determine the shear stress acting on the inclined plane AB. Express your answer to three significant figures and include the appropriate units. В HA ? 30° Value Units A

Q # 2. The following are the results of a consolidation test on a sample of a clayey soil. Pressure, o'(kN/m²) e 1.116 25 1.108 50 1.055 100 0.962 200 0.845 400 0.755 800 0.65 1600 0.658 800 0.675 400 0.685 200 Plot the e, log o' curve. b. Using Casagrande's method, determine the preconsolidation pressure. c. Calculate the compression index, Ce, and the ratio of Cy/Cc. a. Note: Use excel for calculation and drawing. Discuss the details in your own words.)

11 The following are the results of a consolidation test on a sample of a clayey soil. 11.3 Pressure, o (kN/m') 1.116 25 1.108 1.055 50 100 200 0.962 0.845 400 800 1600 0.755 11 0.65 80 0.658 0.675 400 0.685 200 a. Plot the e-log o' curve h. Using Casagrande's method, determine the preconsolidation pressure. c. Calculate the compression index, C, and the ratio of CJC_

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The following are the results of a consolidation test on a sample of a clayey soil. Pressure, o' (kN/m²) 1.113 25 1.106 50 1.066 100 0.982 200 0.855 400 0.735 800 0.63 1600 0.66 800 0.675 400 0.685 200 a. Plot the e-log o' curve. b. Using Casagrande's method, determine the preconsolidation pressure. Calculate the compression index, C, and the ratio of C/C.

5. The coefficient of permeability of a sand at a void ratio of 0.62 is 0.03 cm/sec. Estimate the coefficient of permeability at a void ratio of 0.48. Using Casagandre equation Using Kozeny-Carman equation Find the difference in the rate of flow using the results of “a” and “b” if i = 0.70 and A = 0.6 m2.

A 600 mm diameter and 25 m long driven concrete pile carries a column load of 1200 kN. It is estimated that the shaft carries 900 kN and the point carries 300 kN. Determine the settlement of the pile head using the Poulos and Davis method with the following data: Es = 25 MN/m2, Ep = 30,000 MN/m2, and s = 0.2