hw5-sp10 - 3 Determine the factor of safety against a heave...

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CE 467L Geotechnical Engineering Spring 2010 Homework 5 Due: Thursday, March 11, 2010 1. Complete Problem 3.1 in Craig. 2. For the soil profile shown below, graph the distributions of total stress, pore water pressure, and effective stress versus depth, up to a depth of 19 m. The three graphs should be arranged side by side, with the depth axes increasing downwards. All graph axes should be plotted to the same scale. 3. Problem 3.7 in Craig. 4. For the flow conditions shown below, the depth of embedment of the sheetpile on the downstream side is 3 m. The saturated unit weight of the permeable soil is 20 kN/m
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Unformatted text preview: 3 . Determine the factor of safety against a heave failure in the excavation adjacent to the sheet piling. Use the dimensions shown to scale any other dimensions (hint, see Sec. 3.5) as appropriate. 5. Define “excess pore water pressure” (Section 3.3). 6. Describe what is meant by the “quick” condition in sands (Section 3.5). 7. What are the typical sizes and shapes of Triaxial (TX) specimens? (Section 4.2) gravelly sand γ = 19.6 kN/m 3 clayey silt γ = 17.7 kN/m 3 silty clay γ sat = 18.6 kN/m 3 4 m 5 m 10 m rock...
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This note was uploaded on 09/13/2010 for the course CE 467L taught by Professor Rechenmacher during the Spring '10 term at USC.

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