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 3.37QP
An ASTM A615 grade 60 number 10 rebar with a gauge length of 8 in. was subjected to tension to fracture according to ASTM E-8 method. The load and deformation data were as shown in Table P3.37.
Using a spreadsheet program, obtain the following:
- a. A plot of the stress–strain relationship. Label the axes and show units.
- b. A plot of the linear portion of the stress-strain relationship. Determine modulus of elasticity using the best-fit approach.
- c. Proportional limit.
TABLE P3.37
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A 32-mm rebar with a gauge length of 200 mm was subjected to tension to
fracture according to ASTM E-8 method. The load and deformation data were
as shown in Table P3.33.
Using a spreadsheet program obtain the following:
a. A plot of the stress-strain relationship. Label the axes and show units.
b. A plot of the linear portion of the stress-strain relationship. Determine
modulus of elasticity using the best-fit approach.
c. Proportional limit.
d. Yield stress.
e. Ultimate strength.
f. If the rebar is loaded to 390 kN only and then unloaded, what is the
permanent change in length?
TABLE P3.3 3
Load (kN)
Displacement (mm)
Load (kN)
Displacement (mm)
472.9
8.4
62.2
0.1
487.1
9.7
188.9
0.2
496.4
11.1
329.8
0.4
505.7
12.4
383.4
1.7
512.8
13.7
426.0
4.0
522.6
15.3
447.3
5.9
532.4
18.5
462.5
7.2
525.9
22.4
A 32-mm rebar with a gauge length of 200 mm was subjected to tension to fracture according to ASTM E-8 method. The load and deformation data were as shown in TableUsing a spreadsheet program obtain the following:a. A plot of the stress–strain relationship. Label the axes and show units.b. A plot of the linear portion of the stress–strain relationship. Determine modulus of elasticity using the best-fit approach.c. Proportional limit.d. Yield stress.e. Ultimate strength.f. If the rebar is loaded to 390 kN only and then unloaded, what is the permanent change in length?
An ASTM A615 grade 60 number 10 rebar with a gauge length of 8 in. was subjected to tension to fracture according to ASTM E-8 method. The load and deformation data were as shown in Table .Using a spreadsheet program, obtain the following:a. A plot of the stress–strain relationship. Label the axes and show units.b. A plot of the linear portion of the stress–strain relationship. Determine modulus of elasticity using the best-fit approach.c. Proportional limit.
Chapter 3 Solutions
Materials for Civil and Construction Engineers (4th Edition)
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