Load (kN) Elongation(mm) The following data were recorded during the tensile test of a 12.8 mm diameter steel rod. The gauge length was 50 mm. Plot the stress-strain diagram and determine the following mechanical properties: (a) proportional limits (b) modulus of elasticity (c) yield point (d) ultimate strength (e) rupture strength (f) modulus of toughness 6.67 0.0127 20.46 0.0381 35.59 0.0635 48.93 0.0889 52.49 0.1270 52.49 0.2032 53.38 0.508 73.84 1.016 88.96 2.540 95.64 7.112 86.74 10.16 82.29 11.684 Use a scale of 20 mm = 50 MPa and 20 mm = 0.05 mm/mm Redraw the linear-elastic region, using the same stress scale but a strain scale of 20 mm = 0.001 mm/mm %3D

Load (kN) Elongation(mm) The following data were recorded during the tensile test of a 12.8 mm diameter steel rod. The gauge length was 50 mm. Plot the stress-strain diagram and determine the following mechanical properties: (a) proportional limits (b) modulus of elasticity (c) yield point (d) ultimate strength (e) rupture strength (f) modulus of toughness 6.67 0.0127 20.46 0.0381 35.59 0.0635 48.93 0.0889 52.49 0.1270 52.49 0.2032 53.38 0.508 73.84 1.016 88.96 2.540 95.64 7.112 86.74 10.16 82.29 11.684 Use a scale of 20 mm = 50 MPa and 20 mm = 0.05 mm/mm Redraw the linear-elastic region, using the same stress scale but a strain scale of 20 mm = 0.001 mm/mm %3D

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

Load (kN)
Elongation(mm)
The following data were recorded
during the tensile test of a 12.8 mm
diameter steel rod. The gauge
length was 50 mm.
Plot the stress-strain diagram and
determine the folowing mechanical
properties:
(a) proportional limits
(b) modulus of elasticity
(c) yield point
(d) ultimate strength
(e) rupture strength
(f) modulus of toughness
6.67
0.0127
20.46
0.0381
35.59
0.0635
48.93
0.0889
52.49
0.1270
52.49
0.2032
53.38
0.508
73.84
1.016
88.96
2.540
95.64
7.112
86.74
10.1
82.29
11.684
Use a scale of 20 mm = 50 MPa and 20 mm = 0.05 mm/mm
Redraw the linear-elastic region, using the same stress scale but a strain
scale of 20 mm = 0.001 mm/mm

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