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Which of the following is true about quicksand? a. Occurs when effective vertical stress is greater than seepage forces in sandy soils b. Occurs when effective vertical stress is less than seepage forces in cohesive soils Is typically observed in gravelly soils C. d. None

Which of the following is true about quicksand? a. Occurs when effective vertical stress is greater than seepage forces in sandy soils b. Occurs when effective vertical stress is less than seepage forces in cohesive soils Is typically observed in gravelly soils C. d. None

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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9. Which of the following is true about quicksand? а. Occurs when effective vertical stress is greater than seepage forces in sandy soils b. Occurs when effective vertical stress is less than seepage forces in cohesive soils c. Is typically observed in gravelly soils d. None 10. Sensitivity in clays is a. The ratio of undisturbed to remolded strength b. The ratio of dry to saturated strength с. The ratio of long term to short term strength d. The ratio of maximum and minimum principal stresses 11. Which case/s should be investigated when identifying shear strength of saturated clays during an excavation project a. Drained condition cases b. Undrained condition cases with positive excess water pressure с. Undrained condition cases with negative excess water pressure d. All 12. A slickenside is a. Very smooth surface produced after a landslide b. Very rough surface produced after a slope failure c. Very steep surface produced during excavation in dry clays d. Very tough surface produced after a strike and dip 13. Unconfined compressive strength is a. Half of undrained shear strength b. Twice the undrained shear strength c. Equal to the undrained shear strength d. None 14. As a geotechnical engineer, you have been requested to assess the shear strength properties for a sandy soil right after completion of foundation construction. What lab test would you recommend from the following? а. Direct shear b. UC С. CU without pore pressure measurements d. None 15. CD test is known as a. Quick test b. Rapid test C. Slow test d. None
Transcribed Image Text:9. Which of the following is true about quicksand? а. Occurs when effective vertical stress is greater than seepage forces in sandy soils b. Occurs when effective vertical stress is less than seepage forces in cohesive soils c. Is typically observed in gravelly soils d. None 10. Sensitivity in clays is a. The ratio of undisturbed to remolded strength b. The ratio of dry to saturated strength с. The ratio of long term to short term strength d. The ratio of maximum and minimum principal stresses 11. Which case/s should be investigated when identifying shear strength of saturated clays during an excavation project a. Drained condition cases b. Undrained condition cases with positive excess water pressure с. Undrained condition cases with negative excess water pressure d. All 12. A slickenside is a. Very smooth surface produced after a landslide b. Very rough surface produced after a slope failure c. Very steep surface produced during excavation in dry clays d. Very tough surface produced after a strike and dip 13. Unconfined compressive strength is a. Half of undrained shear strength b. Twice the undrained shear strength c. Equal to the undrained shear strength d. None 14. As a geotechnical engineer, you have been requested to assess the shear strength properties for a sandy soil right after completion of foundation construction. What lab test would you recommend from the following? а. Direct shear b. UC С. CU without pore pressure measurements d. None 15. CD test is known as a. Quick test b. Rapid test C. Slow test d. None
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