Results:
Figure 1
Euler vs. Parabalic
0
100000
200000
300000
400000
500000
600000
700000
800000
0
20
40
60
80
100
120
L/K
Stress (psi)
parabolic
Euler
Experimental stress values
Figure1: shows Slenderness Ratio values in xaxis and stress values in yaxis. It shows
experimental stress values as brown graph. This figure shows the theoretical ultimate
stress obtained using Parabolic Equation against L/k as blue graph. It shows also the
theoretical ultimate stress obtained using Euler’s Equation against L/k as a pink graph
.
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Table 1
Length
Diameter
Max Load
Max Stress
Euler
Parabolic
25
0.5
1552.3
7905.799
28621.85
23902.82
20.5
0.5
2852.2
14526.14
42566.71
27210.66
15
0.5
5168.3
26321.94
79505.15
30365.02
10
0.5
7620.3
38809.87
178886.58
32384.45
5
0.5
9372.5
47733.75
715546.32
33596.11
Table 1: shows all the values that are needed to plot the graph. The length of each
specimen and the diameter are shown too. It shows the maximum load that every
specimen reached before buckling and maximum stress. Table 1 shows Euler and
Parabolic that were obtained by the equations.
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 Spring '08
 Butson
 Stress, Column, Buckling, Euler, experimental stress values

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