Answered: 100 60 40 0.002 0.004 0.006 0.008 0.01…

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

A tension test performed on a metal specimen to fracture produced the stress-strain relationship shown in Figure. Graphically determine the following (show units and all work):
a. Modulus of elasticity within the linear portion.
b. Yield stress at an offset strain of 0.002 in./in.
c. Yield stress at an extension strain of 0.005 in/in.
d. Secant modulus at a stress of 62 ksi.
e. Tangent modulus at a stress of 65 ksi.

100
60
40
0.002
0.004
0.006
0.008
0.01
0.012
Strain, in./in.
Stress, ksi

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