EBK MATERIALS FOR CIVIL AND CONSTRUCTIO
EBK MATERIALS FOR CIVIL AND CONSTRUCTIO
4th Edition
ISBN: 8220102719569
Author: ZANIEWSKI
Publisher: PEARSON
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Chapter 10, Problem 10.25QP

A pine wood specimen was prepared with actual dimensions of 50 mm × 50 mm × 250 mm and grain parallel to its length. The deformation was measured over a gauge length of 200 mm. The specimen was subjected to compression parallel to the grain to failure. The load–deformation results are as shown in Table P10.25.

TABLE P10.25

Load (Kn) Deformation (mm)
0 0
8.9 0.457
17.8 0.597
26.7 0.724
35.6 0.838
44.5 0.965
53.4 1.118
62.3 1.270
71.2 1.422
80.1 1.588
89.0 1.765
97.9 1.956
106.8 2.159
111.3 2.311
  1. a. Using a computer spreadsheet program, plot the stress–strain relationship.
  2. b. Calculate the modulus of elasticity.
  3. c. What is the failure stress?
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