Determine the factor of safety of the slope shown in the figure below using an ESA and a TSA. The point of rotation is indicated by O and the line representing the top of the stiff soil is a tangent to the failure plane.

Determine the factor of safety of the slope shown in the figure below using an ESA and a TSA. The point of rotation is indicated by O and the line representing the top of the stiff soil is a tangent to the failure plane.

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter15: Slope Stability

Section: Chapter Questions

Problem 15.3P

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Question

I would specifically like this part of this assignment:
*explain how we get the TSA

you must get solution form this text book (Page: 697-707):
THIRD EDITION
SOIL MECHANICS
AND FOUNDATIONS
by
MUNI BUDHU

note please:
Produce a step-by-step solution and clearly outline your approach
▪ Use AutoCAD to prepare all drawings (to scale)
▪ Provide clear statements on how the required values of parameters are extracted from your
drawings

Determine the factor of safety of the slope shown in the figure below using an ESA and a TSA. The
point of rotation is indicated by O and the line representing the top of the stiff soil is a tangent to the
failure plane.
7 m
3 m
2
05m-
3
Soft soil
Stiff soil
T
3 m
Ysat = 18 kN/m³
Su = 25 kPa
$ = 28°
Ysat = 18.5 kN/m³
S₁ = 70 kPa
$ = 22°
2 m
[Budhu M. Soil Mechanics & Foundations (3E), p. 720]

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Step 1: Draw soil diagram

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Step 3: calculation of ESA and TSA

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