Answered: TABLE P10.22 Load (Ib) Deflection (in.)…

TABLE P10.22 Load (Ib) Deflection (in.) 8 0.149 16 0.227 28 0.295 60 0.365 111 0.404 156 0.437 198 0.468 243 0.502 286 0.537 328 0.581 365 0.616

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter7: Deflections Of Trusses, Beams, And Frames: Work-energy Methods

Section: Chapter Questions

Problem 30P

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Question

A wood specimen was subjected to bending until failure by applying a load
in the middle of its span. The specimen has a cross section of 1 in. * 1 in.
(actual dimensions) and a span of 14 in. between the simple supports. The
load and the deflection in the middle of the span were recorded as shown in
Table P10.22.
a. Using a computer spreadsheet program, plot the load–deflection
relationship.
b. Plot the proportional limit on the graph.
c. Calculate the modulus of rupture (flexure strength).

TABLE P10.22
Load (Ib)
Deflection (in.)
8
0.149
16
0.227
28
0.295
60
0.365
111
0.404
156
0.437
198
0.468
243
0.502
286
0.537
328
0.581
365
0.616

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