A small villa constructed in Shatti Al Qurum area is resting on footings. One of its square footing of 1.8 m size carries a load intensity of 150 kN/m2 at a depth of 1.30 m in a soil having cohesion intercept of 20 kN/m2 and the angle of internal resistance is equal to 35o. The saturated unit weight of sub soil is 19.0 kN/m3 and unit weight above water table is 17.5 kN/m3. Determine the factor of safety with respect to shear failure for following conditions of soil: i. Water table is 3.7 m below natural ground surface
A small villa constructed in Shatti Al Qurum area is resting on footings. One of its square footing of 1.8 m size carries a load intensity of 150 kN/m2 at a depth of 1.30 m in a soil having cohesion intercept of 20 kN/m2 and the angle of internal resistance is equal to 35o. The saturated unit weight of sub soil is 19.0 kN/m3 and unit weight above water table is 17.5 kN/m3. Determine the factor of safety with respect to shear failure for following conditions of soil: i. Water table is 3.7 m below natural ground surface
Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter17: Settlement Of Shallow Foundations
Section: Chapter Questions
Problem 17.16CTP
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. A small villa constructed in Shatti Al Qurum area is resting on footings. One of its square footing of 1.8 m size carries a load intensity of 150 kN/m2 at a depth of 1.30 m in a soil having cohesion intercept of 20 kN/m2 and the angle of internal resistance is equal to 35o. The saturated unit weight of sub soil is 19.0 kN/m3 and unit weight above water table is 17.5 kN/m3. Determine the factor of safety with respect to shear failure for following conditions of soil:
i. Water table is 3.7 m below natural ground surface
ii. Water table in the middle of ground level and the base of the footing.
iii. Water table is 1.2 m below ground level.
iv. Water table is 2.0 m below natural ground surface
[2.0] [2.0] [2.0]
[2.0]
v. Plot a neat graph to for the result.
vi. Justify the reason of choosing a particular analysis to solve this problem.
[1.5]
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