168CHAPTER 2Axially Loaded MembersProblem 2.11-4A prismatic bar in tension has length L5 2.0 m and cross-sectional area A5 249 mm2. The material of the bar has thestress-strain curve shown in the figure. Determine the elongation dof the bar for each of the following axialloads: P5 10 kN, 20 kN, 30 kN, 40 kN, and 45 kN. From these results,plot a diagram of load Pversus elongation d(load-displacement diagram).Solution 2.11-4Bar in tension(MPa)002001000.0050.010seL52.0mA5249mm2STRESS-STRAIN DIAGRAM(See the problem statement for the diagram)LOAD-DISPLACEMENT DIAGRAMNOTE: The load-displacement curve has the sameshape as the stress-strain curve.PPLPs5P/Aed5eL(kN)(MPa)(from diagram)(mm)10400.00091.820800.00183.6301200.00316.2401610.006012.0
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Harshad number, Tensile strength, load-displacement diagram, following axial loads