A tensile test was performed on a metal specimen having a circular cross section with a diameter of 0.510 inch. For each increment of load applied, the strain was directly determined by means of a strain gage attached to the specimen. The results are shown in Table 1.1. a. Prepare a table of stress and strain b. Plot these data to obtain a stress-strain curve. Do not connect the data points; draw a best-fit straight line through them. c. Determine the modulus of elasticity as the slope of the best-fit line Load (Ib) Strain × 106 (in./in.) 0 0 250 37.1 500 70.3 1000 129.1 1500 230.1 2000 259.4 2500 372.4 3000 457.7 3500 586.5
A tensile test was performed on a metal specimen having a circular cross section with a diameter of 0.510 inch. For each increment of load applied, the strain was directly determined by means of a strain gage attached to the specimen. The results are shown in Table 1.1. a. Prepare a table of stress and strain b. Plot these data to obtain a stress-strain curve. Do not connect the data points; draw a best-fit straight line through them. c. Determine the modulus of elasticity as the slope of the best-fit line Load (Ib) Strain × 106 (in./in.) 0 0 250 37.1 500 70.3 1000 129.1 1500 230.1 2000 259.4 2500 372.4 3000 457.7 3500 586.5
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A tensile test was performed on a metal specimen having a circular cross section
with a diameter of 0.510 inch. For each increment of load applied, the strain was
directly determined by means of a strain gage attached to the specimen. The
results are shown in Table 1.1.
a. Prepare a table of stress and strain
b. Plot these data to obtain a stress-strain curve. Do not connect the data points;
draw a best-fit straight line through them.
c. Determine the modulus of elasticity as the slope of the best-fit line
Load (Ib)
Strain × 106 (in./in.)
0
0
250
37.1
500
70.3
1000
129.1
1500
230.1
2000
259.4
2500
372.4
3000
457.7
3500
586.5
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