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Chapter 9 Buckling and Locul Buckling of Tubular Members 189
0 0.5 1.0 1.5 2.0 2.5 3.0
Cf Cy
Figure 9.23 Comparison of Measured and Calculated Results (C2)
Figure 9.24 Comparison of Calculated and Measured Results @1)
The same features are observed in Specimens S1, S2, and S3. Bouwkamp wrote in his paper
that local buckling took place after the ultimate strength was attained. However, no local
buckling occurred for this series analysis.
A Series and B Series
A and B series by Smith et al. (1 979), show no local buckling in either one of the experiments
and analyses. The calculated ultimate strengths show good agreement with the measured ones,
with the exception of Specimen AI.
