Elastic-plastic design permits the most effective use of the strength of the rectangular tube section. The condition of failure for a tube of perfectly elastic-plastic material is analyzed, and a formula is derived from which the limit load can be computed directly, A procedure is developed for determining by the area-moment method the wall deflection at any load from a bending-moment diagram modified to account for reduced rigidity. The total deflections thus found are plotted against the various loads. This theoretical load-deflection curve then becomes the basis for design.
Elastic-Plastic Design of Rectangular Pressure Tubing
R. D. Gauthier,
R. D. Gauthier
The Dow Chemical Company, Denver, Colo.
E. E. Weibel
Department of Mechanical Engineering, University of Colorado, Boulder, Colo.
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Gauthier, R. D., and Weibel, E. E. (December 1, 1961). "Elastic-Plastic Design of Rectangular Pressure Tubing." ASME. J. Appl. Mech. December 1961; 28(4): 529–534. https://doi.org/10.1115/1.3641778
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