Given the vertical and horizontal stresses acting on an infinitesimal element of soil within a natural earth slope, as shown (next page): = (A) Determine the normal and shear stresses acting on the plane for a 35°. You are required to use the Pole Method by plotting all your graphical constructions to exact scale. (B) Using the same construction from part (A), determine the maximum shear stress, illustrating the orientation of the corresponding plane on which it acts.
Given the vertical and horizontal stresses acting on an infinitesimal element of soil within a natural earth slope, as shown (next page): = (A) Determine the normal and shear stresses acting on the plane for a 35°. You are required to use the Pole Method by plotting all your graphical constructions to exact scale. (B) Using the same construction from part (A), determine the maximum shear stress, illustrating the orientation of the corresponding plane on which it acts.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Given the vertical and horizontal stresses acting on an infinitesimal element of soil within
a natural earth slope, as shown (next page):
(A) Determine the normal and shear stresses acting on the plane for a = 35". You are
required to use the Pole Method by plotting all your graphical constructions to
exact scale.
(B) Using the same construction from part (A), determine the maximum shear stress,
illustrating the orientation of the corresponding plane on which it acts.
NOTE: Please use different color pencils/markers to improve your presentation.
Transcribed Image Text:Ta
Hypothetical Case: Slope Soils
Natural or
man-made slope
Potential failure plane
01
35°
|0₁-652
0₁ = 52 kPa
a = 35°
03= 12 kPa
Horizontal
Slope failure (landslide) will be triggered at any point along the potential failure plane when
the shear stress exceeds the shear strength of the soil mobilized in the opposite direction.
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