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 3.40QP
A steel pipe having a length of 1 m, an outside diameter of 0.2 m, and a wall thickness of 10 mm, is subjected to an axial compression of 200 kN. Assuming a modulus of elasticity of 200 GPa and a Poisson's ratio of 0.3, find
- a. the shortening of the pipe,
- b. the increase in the outside diameter, and
- c. the increase in the wall thickness.
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A steel pipe having a length of 1 m, an outside diameter of 0.2 m, and a wallthickness of 10 mm, is subjected to an axial compression of 200 kN. Assuminga modulus of elasticity of 200 GPa and a Poisson’s ratio of 0.3, finda. the shortening of the pipe,b. the increase in the outside diameter, andc. the increase in the wall thickness.
The failure stress of a homogeneous steel bar having a diameter of 10 mm is 250 MPa. Using a factor of safety of 2.0 and if the elastic mođulus and
length of the bar is 200 GPa and 2 m respectively, calculate the elongation in mm of the bar corresponding to the maximum load it can support.
(А) 5
(в) 2.5
1.25
D) 0.625
A compound bar consists of (4) aluminum alloy bars of (2mm) diameter and (2) steel
bars of (3mm) diameter. Determine the followings:
1- The stresses in each material when a compressive force of 70 kN is applied on
the compound bar and the temperature is changed from 20 °C to 40 °C.
2- The compound modulus of elasticity (Ec).
Knowing that :
E=200GN/m²
E=70 GN/m²
and a=11×10% per °C
and
a=22×10 per °C
for Steel
for Aluminum Alloy
Chapter 3 Solutions
Materials for Civil and Construction Engineers (4th Edition)
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