Materials for Civil and Construction Engineers (4th Edition)
4th Edition
ISBN: 9780134320533
Author: Michael S. Mamlouk, John P. Zaniewski
Publisher: PEARSON
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Chapter 3, Problem 3.28QP
A tensile stress is applied along the long axis of a cylindrical steel rod with a diameter of 10 mm. If the deformation is entirely elastic, determine the magnitude of the load required to produce a 5 × 10-3 mm change in diameter. Assume a modulus of elasticity of 200 GPa and a Poisson’s ratio of 0.27.
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A steel bar, whose cross section is 0.60 inch by 4.10 inches, was tested in tension. An axial load of P = 31,025 lb. produced a deformation of 0.115 inch over a gauge length of 2.10 inches and a decrease of 0.0080 inch in the 0.60-inch thickness of the bar.
a. Determine the lateral strain.
b. Determine the axial strain.
c. Determine the Poisson’s ratio v.
d. Determine the decrease in the 4.05-in. cross-sectional dimension (in inches).
A tensile stress is applied along the long axis of a cylindrical steel rod with a diameter of 10 mm. If the deformation is entirely elastic, determine the magnitude of the load required to produce a 5 * 10-3 mm change in diameter.Assume a modulus of elasticity of 200 GPa and a Poisson’s ratio of 0.27.
2. A steel bar, whose cross section is 0.55 inch by 4.05 inches, was tested in
tension. An axial load of P = 30,500 lb. produced a deformation of 0.105 inch over
a gauge length of 2.05 inches and a decrease of 0.0075 inch in the 0.55-inch
thickness of the bar.
Determine the lateral strain. *
Your answer
Determine the axial strain.
Your answer
Determine the Poisson's ratio v.
*
Your answer
Determine the decrease in the 4.05-in. cross-sectional dimension (in inches). *
Your answer
Chapter 3 Solutions
Materials for Civil and Construction Engineers (4th Edition)
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