7. The capillary action can be saturate the soil A.Above the groundwater B.Below the groundwater CBoth above and below groundwater D. None of the above 8.To determine the coefficient of consolidation (Cv) graphically is used A Logarithm of Time Method B. Hyperbola Method Square root of Time Method D. All of the above 9. The total compression of saturated clay strata under excess effective pressure may be considered as A. Immediate compression B. Primary consolidation C. Secondary compression All of the above CV2- 10. Shear strength in soils is the resistance to movement between particles due to physical bonds from A. Particle interlocking BAtoms sharing electrons at surface contact points C. Chemical bonds (cementation) such as crystallized calcium carbonate DAll of the above C 11. Cohesive soil is AClay B.Sand CAggregate D.All of the above

7. The capillary action can be saturate the soil A.Above the groundwater B.Below the groundwater CBoth above and below groundwater D. None of the above 8.To determine the coefficient of consolidation (Cv) graphically is used A Logarithm of Time Method B. Hyperbola Method Square root of Time Method D. All of the above 9. The total compression of saturated clay strata under excess effective pressure may be considered as A. Immediate compression B. Primary consolidation C. Secondary compression All of the above CV2- 10. Shear strength in soils is the resistance to movement between particles due to physical bonds from A. Particle interlocking BAtoms sharing electrons at surface contact points C. Chemical bonds (cementation) such as crystallized calcium carbonate DAll of the above C 11. Cohesive soil is AClay B.Sand CAggregate D.All of the above

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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Show full solutions and informative drawings. 1. Determine the average pressure using Simpon's rule 2. Determine the primary consolidation settlement of the clay layer if it is normally consolidated. NOTES: Correction in the figure. Gs is not 45. The liquid limit is 45. The footing is a square footing 3m x3m
indicate the final answer in 3 decimal places.
A 5 m thick saturated soil stratum has a compression index of 0.25 and coefficient of permeability 3.2*10^(-3) mm/sec. If the void ratio is 1.9 at vertical stress of 0.15 N/ mm^2, compute the void ratio when the vertical stress is increased to 0.2 N/mm^2. Also calculate settlement due to above stress increase and time required for 50% consolidation?
(1) A well is drilling to the depth of 6000 m. Formation pore pressure can be expressed in equivalent mud weight is 1.50 g/cm' at the depth and changes in proportion to well depth. Also, overburden pressure gradient is 0.0245 MPa/m. Calculate: a. Pore pressure gradient at 6000 m, MPa/m. b.Pore pressure, psi, at 6000 m. c. Matrix stress gradient, MPa/m d.Matrix stress at 6000 m, MPa
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Q: Explain the stress vs. time and settlement vs. time relationships for a soil layer under stress increase pf indicating the compensation of surcharge as shown in the figure below ignoring the secondary compression. Subject: ground improvement techniques Program: civil transportation engineering
13. Situation 13 - The soil is acted upon by a uniformly distributed load ΔP = 60 kPa at the ground surface. a. Compute the settlement of the clay layer, in mm, caused by primary consolidation if the preconsolidation pressure of clay is 230 kPa. Use Cs = Cc/5. Round off to the nearest whole number. b. Compute the settlement of the clay layer, in mm, caused by primary consolidation if the clay is normally consolidated. Round off to the nearest whole number. c. Compute the settlement of the clay layer, in mm, caused by primary consolidation if the preconsolidation pressure of clay is 200 kPa. Use Cs = Cc/5. Round off to the nearest whole number.