2) Table 1 contains data obtained from consolidated undrained tests on soft clay. You need to determine the shear strength parameters in term of total stress and effective stress. A different specimen of the same soil is also tested in undrained triaxial compression at a cell pressure of 150 kN/m2, and fails when the deviator stress is 75 kN/m2. Calculate the pore pressure in the specimen failure. In your opinion, what is the differences between total stress and effective stress? Table 1 Result from consolidated undrained tests Cell pressure during consolidation and shear (kN/m²) At failure Pore water pressure (kN/m²) Deviator stress |(kN/m³) 200 120 120 400 250 240 800 480 460

2) Table 1 contains data obtained from consolidated undrained tests on soft clay. You need to determine the shear strength parameters in term of total stress and effective stress. A different specimen of the same soil is also tested in undrained triaxial compression at a cell pressure of 150 kN/m2, and fails when the deviator stress is 75 kN/m2. Calculate the pore pressure in the specimen failure. In your opinion, what is the differences between total stress and effective stress? Table 1 Result from consolidated undrained tests Cell pressure during consolidation and shear (kN/m²) At failure Pore water pressure (kN/m²) Deviator stress |(kN/m³) 200 120 120 400 250 240 800 480 460

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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The results below were obtained at failure in a series of consolidated-untrained triaxial tests, with pore water pressure measurement, on specimens of a fully saturated clay. Determine the values of the shear strength parameters c' and 'If a specimen of the same soil were consolidated under an all-round pressure of 300 kN/m² and the principal stress difference applied with the all-round pressure changed to 400kN/m², what would be the expected value of principal stress difference at failure" 150 300 450 600 03 (kN/m²) 01-03 (kN/m²) u (kN/m²) 103 202 305 410 82 169 252 331
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2- A three-axis compression test on a clay sample that is comprehensive and normal up to a stress of 300 kPa and a specific volume of 2 Consolidated is done, The values of q and volumetric strain are measured at axial strain, 0, 2 and 10 percent (failure) . The value of N is equal to 3 and A is equal to 0.2. Graph of all-round stress on initial all-round stress Draw the initial all-round stress in terms of section
please help me... If a soil sample tested in a direct shear box of 60 mm by 60 mm and the maximum readings for normal loads of 0.3, 0.5 and 1.0kN were 202, 265 and 511 kN, determine the strength parameters corresponding to effective stress. Please find: 1) UU test; Unconsolidated Untrained (Q-test or quick test) 2) CD test; Consolidated Drained ( S-test or slow test) 3) CU test; Consolidated Untrained (R-test) 4) UC test; Unconfined Compression (σ_3=0) Thank you..
A cohesive soil sample is subjected to an unconfined compression test. The sample fails at a pressure of 3850 lb/ft2 [i.e., unconfined compressive strength lb/ft2]. Determine the soil’s cohesion. If an unconfined compression test is performed on the same clayey soil, what axial load can be expected at failure?
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a. A shear box test carried out on a soil sample gave the following results ✓ Vertical load [kg] 36.8 73.6 110.4 147.2 Gauge reading for proving 16 26 35 44 (shearing) ring [μm] If the shear box is 60 mm square and the proving ring constant/factor is 20 N/μm, determine the apparent cohesion and angle of internal friction for this soil. HINT: Determine normal stress from vertical load readings and shear stress from proving ring readings
Determine the fracture pressure at 3,000 ft for Gulf Coast using Hubbert & Willis, Matthews & Kelly and Eaton's methods. The available data for this formation is given as %=0.41 K=0.000085 A-¹ Pg=2.6 P=1.074 Fa=0.45 hand written plz μ=0.36
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The value of x is 8