The shear strength of soil collected 4m below ground surface and tested under consolidated undrained test can be given by the equation t = 30 + o' tan 27° by Effective Stress (ES) analysis. A proposed structure of 80 kN/m² is to be constructed on over consolidated clay material with unit weight of 19 kN/m³. Determine: i. Pore water pressure developed in the specimen at failure ii. Minor (63) and major (61) effective principal stress iii. The expected cohesion value in Total Stress (TS) analysis

The shear strength of soil collected 4m below ground surface and tested under consolidated undrained test can be given by the equation t = 30 + o' tan 27° by Effective Stress (ES) analysis. A proposed structure of 80 kN/m² is to be constructed on over consolidated clay material with unit weight of 19 kN/m³. Determine: i. Pore water pressure developed in the specimen at failure ii. Minor (63) and major (61) effective principal stress iii. The expected cohesion value in Total Stress (TS) analysis

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Q: A consolidation undrained (CU) triaxial compression test is conducted on a normally consolidated…

A: Asked: To determine the effective angle of friction () for the given CU test.Given:Consolidated…

Q: Problem 2. A CD triaxial test was conducted on a loose sand. The axial stress was held constant and…

Q: Prob.5. Samples of a dry sand are to be tested in triaxial and direct shear test. In the triaxial…

A: Given, Major principle stress, σ1 = 960kN/m2 Minor principle stress,σ3 = 260kN/m² Normal stress=…

Q: A consolidated-drained tri-axial test was conducted on a normally consolidated clay. The results are…

A: The result of the consolidated tri-axial test are:-Confining stress Deviator stress To determine:-i)…

Q: A consolidated-undrained test on a normally consolidate clay yield the following results: Confining…

Q: (c) The shear strength of soil collected 4m below ground surface and tested under consolidated…

A: Comparing the given equation of Shear stress with standard equation:

Q: A compression test (CU) was conducted on a normally consolidated clay at a confining pressure of l10…

A: Given: Confining pressure = 110 kPa Deviator stress = 90 kPa Pore-water pressure = 55 kPa

Q: Question 2: Series of Consolidated Undrained (CU) Triaxial test with pore water pressure (u)…

A: A saturated soil specimen undergoes a consolidated undrained triaxial test, with pore water…

Q: The equation of the effective stress failure envelope for a slightly over-consolidated clay is 7, =…

A: Pole Method The Pole method is used in mohr's circle to find the stresses along the plane. The Pole…

Q: Assume a consolidated drained triaxial compression test is to be performed on a medium stiff clay…

Q: 5 KN 1 kN 1 kN -3 kN

Q: 4. The shear strength in kPa of a sandy soil sample is given by SS₁ = 8 + o'tan 34°, while the shear…

Q: The following are the results of four drained shear box tests on over-consolidated clay specimens…

A: Area of shear box = 1960 mm². The results of four drained shear box tests on over-consolidated…

Q: A sample of dry sand was placed in a direct shear testing apparatus and was tested until the sample…

A: Given that: Shear stress at failure, τf=70 kN/m2Normal stress at failure, σf=96 kN/m2

Q: consolidated clay specimen, the results o 10 lb/ft², Deviator stress at failure = 3,65:

Q: A normally consolidated soil was subjected to tri-axial test with the following data: cell pressure=…

A: Compute the shear stress on the failure plane?

Q: Q.4/ A normally consolidated (N.C) clay was found to have p-15°, q'= 30°. The soil specimen was…

Q: A consolidated-undrained test on a normall consolidate clay yield the following results: Confining…

A: Given:- Confining pressure = 160 kPa Deviator stress = 181 kPa Pore pressure = 77 kPa To find:- From…

Q: on a normally consolidated clay are given next: Axial Strain, % Aa, kN/m2 Ud, kN/m2 0.5 156 99 0.75…

A: Sigma3=392 kN/m2

Q: sample of normally consolidated clay was subjected to a consolidated undrained triaxial compression…

A: Given, Pore pressure, U = 20kN/m²

Q: Determine a. Angle of friction, o' b. Angle 0 that the failure plane makes with the major principal…

Q: # 3. Following data are given for a direct shear test conducted on dry sand: Specimen dimensions: 63…

Q: O A. Tresca failure criterion. O B. None of the filure criterion models. 2 C. Mohr-Coulomb failure…

A: Question 15- Option C Mohr failure criteria is used. In this test mohr circle is plotted at…

Q: The results of two drained triaxial tests on a saturated clay are given next: Specimen I: Chamber…

Q: consolidated drained triaxial test was conducted on a granular soil. At failure (σ1^')/(σ3^' ) =…

Q: A consolidated undrained triaxial compression test is conducted on a normally consolidated clay at a…

Q: Triaxial compression test (CU) is conducted on a normally consolidated clay at a confining pressure…

A: It is required to find the angle of internal friction of soil. Given data, Confining pressure = 100…

Q: A consolidated undrained (CU) triaxial compression test is conducted on a normally consolidated clay…

Q: 8. A soil particle is subjected to a maximum stress of 14.6 kPa and a minimum stress of -4.18 kPa.…

Q: A consolidated undrained (CU) triaxial compression test is conducted on a normally consolidated clay…

A: Asked: To determine the effective angle of friction (ϕ') for the given CU test. Given:…

Q: There is an upward flow of 0.06 ml/s through a sand sample with a coefficient of permeability 3 ×…

Q: Oz = 276 kN/m? (Aoa)f = 276 kN/m?

Q: 18. A consolidated tri-axial test was conducted on a normally consolidated clay. The results were as…

Q: 8. Following data are given for a direct shear test conducted on dry sand: Dimension of the…

A: The given information in the question is as follows. Normal stress σ=250 kN/m2The shear forceF=560 N…

Q: Determine the effective stress at point B (in kN/m2). b. Determine the effective stress at point C…

Q: A consolidated-drained tri-axial test was conducted on a normally consolidated clay. The results are…

A: As per bartleby policy i can answer only first 3 sub parts only please upload again and ask to…

Q: A NC clay soil has the total stress friction angle (φ) = 10⁰. When the soil is conducting SCU…

A: Given: A normally consolidated clayey soil having friction angle (φ) = 10⁰ In CU test, confining…

Q: A silty sand sample failed during a consolidated-undrained triaxial test at o,=280 kPa and 0,=170…

A: Effective stress Effective stress is described as the stress that determines the strain or strength…

Q: A sandy soil sample was subjected to a consolidation pressure of 100 kPa and Consolidated drained…

Q: A consolidated undrained test on a saturated sand yielded the following results. 03 = 12 Ib/in?…

Q: consolidated

Question

The shear strength of soil collected 4m below ground surface and tested under
consolidated undrained test can be given by the equation t = 30 + o' tan 27° by
Effective Stress (ES) analysis. A proposed structure of 80 kN/m² is to be
constructed on over consolidated clay material with unit weight of 19 kN/m³.
Determine:
i. Pore water pressure developed in the specimen at failure
ii. Minor (63) and major (61) effective principal stress
iii. The expected cohesion value in Total Stress (TS) analysis

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Step 5

Step 6

Step 7

Step 8

Step 9

Step by step

Solved in 9 steps with 10 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Stresses in saturated soil without seepage

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.

Similar questions

Subject :Geotechnical Engineering
A clay specimen with drained shear strength parameters of c'=5 kPa and Φ=320 is consolidated under all around pressure of 140 kPa.The specimen was then loaded axially to failure under undrained condition and failed when the principal stress diffrences reached 60 kPa.Calculate the pore pressure(u) and the pore pressure coefficient D(=A*B=Δu/Δσv) of the clay.
Vane Shear Testing
In a drained triaxial test on consolidated clay the stress and angle are as follows : Deviator stress is 20 lb/in2 and friction angle 210 . calculate the effective confining pressure at failure.?
2. The results of a consolidated-drained triaxial test conducted on a normally consolidated clay are as follows: Chamber confining stress = 220 KPa Deviator stress at failure = 320 KPa (a) Angle of friction (b) Angle of failure (c) Normal and Shear stress on the failure plane Calculate:
Q: A consolidated-drained tri-axial test was conducted on a normally consolidated clay. The results are as following: confining stress, G3 = 150 kN/m² and deviator stress, (Aod)t = 150 kN/m². i) Determine angle of friction, q; ii) Determine angle 0 that the failure plane makes with the major principal plane; iii) Find the normal stress and the shear stress ty on the failure plane; and iv) Determine the effective normal stress on the plane of maximum shear stress. Express your results in two decimal places.
Triaxial compression test (CU) is conducted on a normally consolidated clay at a confining pressure of 100 kPa. The deviator stress at failure is 80 kPa, and the pore-water pressure measured at failure is 50 kPa. Determine the angle of internal friction.
I need the answer as soon as possible
Question-3: (a) In a consolidated drained triaxial test, a specimen of saturated sand failed under an deviator stress of 250 kN/m², when the cell pressure was 100 kN/m². i. Illustrate by drawing the Mohr circle for the failure stress condition. Solve for ø' and the theoretical inclination of the failure plane to the ii. horizontal. iii. failure. iv. Solve for the shear stress on the failure plane and maximum shear stress at Solve for factor of safety with respect to shear strength on the plane of maximum shear stress?
In a drained triaxial test on consolidated clay the stress and angle are as follows: Deviator stress is 20 lb/in2 and friction angle is 21°. Calculate the effective confining pressure at failure.? a) 21 lb/in2 b) 22.2 lb/in2 c) 25.4 lb/in 2 d) 17.9 lb/in2
A consolidated-undrained test on a normally consolidate clay yield the following results: Confining Pressure 167 KPa; Deviator Stress = 184 KPa; Pore Pressure = 74 KPa. Calculate the normal stress at the failure plane at drained condition in KPa.