8. A total of four (4) drained and undrained triaxial tests are conducted on normally consolidated...
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8. A total of four (4) drained and undrained triaxial tests are conducted on normally consolidated and over- consolidated samples of the same clay at the same total confining stress 03 = 250 kPa and initial pore pressure up = 50 kPa. The resulting effective stress p'-q paths are shown in the figure below, all starting from p' = 200 kPa and q = 0. (a) Indicate on the Figure which path corresponds to normally consolidated, drained (NCD), normally consolidated undrained (NCU), overconsolidated drained (OCD) and overconsolidated undrained (OCU) conditions. 400 9 300 200 100 modified Mohr-Coulomb 100 200 300 400 500 pore pres- (b) If a normally consolidated sample were tested drained by maintain Crop one question at a time until failure, estimate the total 3 at failure. (HINT: draw the sure uo = 50 kPa, then reducing stress path directly on the plot). 8. A total of four (4) drained and undrained triaxial tests are conducted on normally consolidated and over- consolidated samples of the same clay at the same total confining stress 03 = 250 kPa and initial pore pressure up = 50 kPa. The resulting effective stress p'-q paths are shown in the figure below, all starting from p' = 200 kPa and q = 0. (a) Indicate on the Figure which path corresponds to normally consolidated, drained (NCD), normally consolidated undrained (NCU), overconsolidated drained (OCD) and overconsolidated undrained (OCU) conditions. 400 9 300 200 100 modified Mohr-Coulomb 100 200 300 400 500 pore pres- (b) If a normally consolidated sample were tested drained by maintain Crop one question at a time until failure, estimate the total 3 at failure. (HINT: draw the sure uo = 50 kPa, then reducing stress path directly on the plot).
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Related Book For
An Introduction to Geotechnical Engineering
ISBN: 978-0132496346
2nd edition
Authors: Robert D. Holtz, William D. Kovacs, Thomas C. Sheahan
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