Three steel bars with a diameter of 25 mm and carbon contents of 0.2, 0.5, and 0.8%, respectively. The specimens were subjected to tension until rupture. The load versus deformation results were as shown in Table below If the gauge length is 50 mm, determine the following: a. The tensile stresses and strains for each specimen at each load increase. b. Plot stresses versus strains for all specimens on one graph. c. The modulus of elasticity for each specimen. d. ultimate strength for each specimen. e. The strain at rupture for each specimen. f. the percentage of the total elongation. 3. Specimen No. Carbon Content (%) Deformation (mm) 2 0.2 0.5 0.8 Load (kN) 0.00 0. 0. 0. 0.07 133 133 133 0.10 137 191 191 0.15 142 196 285 0.50 147 201 324 1.00 140 199 383 2.50 155 236 447 196 295 491 (Rupture) 5.00 7.50 226 336 10.00 241 341 12.50 218 304 (Rupture) 13.75 196 (Rupture)
Three steel bars with a diameter of 25 mm and carbon contents of 0.2, 0.5, and 0.8%, respectively. The specimens were subjected to tension until rupture. The load versus deformation results were as shown in Table below If the gauge length is 50 mm, determine the following: a. The tensile stresses and strains for each specimen at each load increase. b. Plot stresses versus strains for all specimens on one graph. c. The modulus of elasticity for each specimen. d. ultimate strength for each specimen. e. The strain at rupture for each specimen. f. the percentage of the total elongation. 3. Specimen No. Carbon Content (%) Deformation (mm) 2 0.2 0.5 0.8 Load (kN) 0.00 0. 0. 0. 0.07 133 133 133 0.10 137 191 191 0.15 142 196 285 0.50 147 201 324 1.00 140 199 383 2.50 155 236 447 196 295 491 (Rupture) 5.00 7.50 226 336 10.00 241 341 12.50 218 304 (Rupture) 13.75 196 (Rupture)
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:412/2021.
HW:No.2 (The deadline for submitting your homework on Snday 042814).
Three steel bars with a diameter of 25 mm and carbon contents of 0.2, 0.5, and
0.8%, respectively. The specimens were subjected to tension until rupture. The
load versus deformation results were as shown in Table below If the gauge length
is 50 mm, determine the following:
a. The tensile stresses and strains for each specimen at each load increase.
b. Plot stresses versus strains for all specimens on one graph.
c. The modulus of elasticity for each specimen.
d. ultimate strength for each specimen.
e. The strain at rupture for each specimen.
f. the percentage of the total elongation.
3
Specimen No.
Carbon Content (%)
1
2
0.2
0.5
0.8
Deformation (mm)
Load (kN)
0.00
0.
0.
0.
0.07
133
133
133
0.10
137
191
191
0.15
• 142
196
285
0.50
147
201
324
1.00
140
199
383
2.50
155
236
447
5.00
196
295
491 (Rupture)
7.50
226
336
10.00
241
341
12.50
218
304 (Rupture)
13.75
196 (Rupture)
Stress Strain Curve and Explanation
Page frot6-
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