P9.16. Determine all reactions and draw the shearand moment curves for the beam in Figure P9.16. El isconstant.w = 1 kip/ftB- 24'-16'-

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QUESTION 5 The shear strength parameters of a soil are given as C = 4 psi and 0=250. What will be the axial stress (also called deviator stress, Ao) at failure if a triaxial compression test is performed on the same soil with a confining pressure of 10 psi? Shear Stress at failure, t (psi) 30 20 10 10 20 30 40 50 Normal Stress, o (psi) O 38 psi O 28 psi O 19 psi 14 psi

QUESTION 5 The shear strength parameters of a soil are given as C = 4 psi and 0=250. What will be the axial stress (also called deviator stress, Ao) at failure if a triaxial compression test is performed on the same soil with a confining pressure of 10 psi? Shear Stress at failure, t (psi) 30 20 10 10 20 30 40 50 Normal Stress, o (psi) O 38 psi O 28 psi O 19 psi 14 psi

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 angle of internal friction of a cohesive soil which was tested using a tri-axial shear apparatus is equal to 26.57°. Failure occurred when the shearing stress is 250 kPa and the normal stress is 480 kPa. Determine the deviator stress at failure, in kPa. Round off to two decimal places.
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1.A dry sand is known to have an angle of internal friction of 29. A triaxial test is planned, where the confining pressure will be 41 kPa. What is the maximum axial stress, in kPa, (major principal stress) that can be applied? Calculate the value to 1 decimal place. Do not provide units in your answer. 2.A clay soil is subjected to a triaxial test under unconsolidated-undrained conditions. At failure, the major and minor principal stresses are 8401 psf and 4875 psf, respectively. What is the shear strength of this soil if the confining pressure is doubled? Provide your answer in psf with no decimals.
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Stresses acting on an infinitesimal soil element are shown in the figure (with o₂ > 0). The major and minor principal stresses are o, and o3, respectively. Considering the compressive stresses as positive, which one of the following expressions correctly represents the angle between the major principal stress plane and the horizontal plane? ox Tzx ·0x
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