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If the shear stress at point A is 60 kPa, compute the short-term and long-term factors of safety at this point

If the shear stress at point A is 60 kPa, compute the short-term and long-term factors of safety at this point

Principles of Foundation Engineering (MindTap Course List)
Principles of Foundation Engineering (MindTap Course List)
8th Edition
ISBN:9781305081550
Author:Braja M. Das
Publisher:Braja M. Das
Chapter6: Vertical Stress Increase In Soil
Section: Chapter Questions
Problem 6.4P: Refer to Figure P6.4. A strip load of q = 900 lb/ft2 is applied over a width B = 36 ft. Determine...
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EXAMPLE PROBLEM 2 Existing ground surface Proposed ground surface Proposed highway 4.9 m 15.2 m A Cut slope for a highway application Silty clay y = 18.7 kN/m³ y = 19.2 kN/m³ Potential shear surface o' = = 20 degrees, c' =18 kPa C = Su= 100 kPa If the shear stress at point A is 60 kPa, compute the short-term and long-term factors of safety at this point 17
Transcribed Image Text:EXAMPLE PROBLEM 2 Existing ground surface Proposed ground surface Proposed highway 4.9 m 15.2 m A Cut slope for a highway application Silty clay y = 18.7 kN/m³ y = 19.2 kN/m³ Potential shear surface o' = = 20 degrees, c' =18 kPa C = Su= 100 kPa If the shear stress at point A is 60 kPa, compute the short-term and long-term factors of safety at this point 17
EXAMPLE PROBLEM 3 ! Levee Sand y = 119 lb/ft³ y = 125 lb/ft³ Potential shear surface 9 ft 22 ft 15 ft River A Friction angle = 34 degrees Compute factor of safety against sliding at Point A. Assume that the shear stress at point A is 400 psf. 24
Transcribed Image Text:EXAMPLE PROBLEM 3 ! Levee Sand y = 119 lb/ft³ y = 125 lb/ft³ Potential shear surface 9 ft 22 ft 15 ft River A Friction angle = 34 degrees Compute factor of safety against sliding at Point A. Assume that the shear stress at point A is 400 psf. 24
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