Answered: 750 600 450 300 150 0.002 0.004 0.006…

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 P1.14. 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 m/m.
c. Yield stress at an extension strain of 0.005 m/m.
d. Secant modulus at a stress of 525 MPa.
e. Tangent modulus at a stress of 525 MPa.

750
600
450
300
150
0.002
0.004
0.006
0.008
0.01
0.012
Strain, m/m
FIGURE P1.14
Stress, MPa

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