15 A slope 60 ft high has a face inclination of 30°. Uniform soils comprise the slope and foundation zone and have a unit weight of 115 pcf, an angle
15 A slope 60 ft high has a face inclination of 30°. Uniform soils comprise the slope and foundation zone and have a unit weight of 115 pcf, an angle
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![15 A slope 60 ft high has a face inclination of 30°.
Uniform soils comprise the slope and foundation
zone and have a unit weight of 115 pcf, an angle
of internal friction of 25°, and a cohesion of 400
psf. Use the Taylor stability charts for total
stress analysis to:
(a) Determine the slope factor of safety in
regard to soil cohesion only.
(b) Determine the slope factor of safety in re-
gard to both cohesion and angle of internal
friction. (Hint: Use a trial-and-error proce-
dure by assuming a value for the FS to
apply to o, obtain a value for N, then
compare the assumed FS with the formula-
calculated FS.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbc90f004-bad9-493d-adc2-536640e72799%2F850ea239-03b5-426e-881b-6067f02a5edb%2Fycjnh2d_processed.jpeg&w=3840&q=75)
Transcribed Image Text:15 A slope 60 ft high has a face inclination of 30°.
Uniform soils comprise the slope and foundation
zone and have a unit weight of 115 pcf, an angle
of internal friction of 25°, and a cohesion of 400
psf. Use the Taylor stability charts for total
stress analysis to:
(a) Determine the slope factor of safety in
regard to soil cohesion only.
(b) Determine the slope factor of safety in re-
gard to both cohesion and angle of internal
friction. (Hint: Use a trial-and-error proce-
dure by assuming a value for the FS to
apply to o, obtain a value for N, then
compare the assumed FS with the formula-
calculated FS.)
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