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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Textbook Question
Chapter 3, Problem 3.31QP
A 19-mm reinforcing steel bar and a gauge length of 75 mm was subjected to tension, with the results shown in Table P3.31. Using a computer spreadsheet program, plot the stress-strain relationship. From the graph, determine the Young's modulus of the steel and the deformation corresponding to a 150-kN load.
TABLE P3.31
| Load, kN | Deformation, mm |
| 0 | 0 |
| 53.49 | 0.084 |
| 162.45 | 0.168 |
| 283.63 | 0.336 |
| 329.72 | 1.428 |
| 366.36 | 3.360 |
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A 19-mm reinforcing steel bar and a gauge length of 75 mm was subjected to ten-
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gram, plot the stress-strain relationship. From the graph, determine the Young's
modulus of the steel and the deformation corresponding to a 150-kN load.
TABLE P3.27
Load, kN
Deformation, mm
54
0.084
163
0.168
284
0.336
330
1.428
366
3.360
A 19-mm reinforcing steel bar and a gauge length of 75 mm was subjected to tension, with the results shown in Table Using a computer spreadsheet program, plot the stress–strain relationship. From the graph, determine the Young’s modulus of the steel and the deformation corresponding to a 150-kN load.
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).
Chapter 3 Solutions
Materials for Civil and Construction Engineers (4th Edition)
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