A point in the ground has a total vertical (normal) stress (v) of 200 kPa, a total horizontal (normal) stress (x) of 120kPa, a horizontal shear stress (xy) of 0 kPa, and a pore water pressure (uo) of 40 kPa.(a) Determine the shear and effective normal stresses that act on a plane oriented 30 degrees clockwise fromhorizontal. Sketch the plane and draw the stresses acting on it; make sure you have the correct signconvention.(b) Determine the shear and effective normal stresses that act on a plane oriented 30 degrees counterclockwisefrom horizontal. Sketch the plane and draw the stresses acting on it; make sure you have the correct signconvention.(c) Determine the maximum shear stress and the orientation of the planes on which it acts A point in the ground has a total vertical (normal) stress (σv) of 200 kPa, a total horizontal (normal) stress (σ%) of 120kPa, a horizontal shear stress (txy) of 0 kPa, and a pore water pressure (u.) of 40 kPa.(a) Determine the shear and effective normal stresses that act on a plane oriented 30 degrees clockwise fromhorizontal. Sketch the plane and draw the stresses acting on it; make sure you have the correct signconvention.(b) Determine the shear and effective normal stresses that act on a plane oriented 30 degrees counterclockwisefrom horizontal. Sketch the plane and draw the stresses acting on it; make sure you have the correct signconvention.(c) Determine the maximum shear stress and the orientation of the planes on which it acts.

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Answered: A point in the ground has a total…

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter10: Stresses In A Soil Mass

Section: Chapter Questions

Problem 10.1CTP: EB and FG are two planes inside a soil element ABCD as shown in Figure 10.50. Stress conditions on...

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A point in the ground has a total vertical (normal) stress (v) of 200 kPa, a total horizontal (normal) stress (x) of 120
kPa, a horizontal shear stress (xy) of 0 kPa, and a pore water pressure (uo) of 40 kPa.
(a) Determine the shear and effective normal stresses that act on a plane oriented 30 degrees clockwise from
horizontal. Sketch the plane and draw the stresses acting on it; make sure you have the correct sign
convention.
(b) Determine the shear and effective normal stresses that act on a plane oriented 30 degrees counterclockwise
from horizontal. Sketch the plane and draw the stresses acting on it; make sure you have the correct sign
convention.
(c) Determine the maximum shear stress and the orientation of the planes on which it acts