The objective of the study is to determine the effect of diameter/thickness (D/T) ratio on the interaction of axial force, bending moment, torsion and internal pressure in plain pipes. The Tresca and von Mises criteria are used to determine the first yield behavior of pipes when subjected to combined loads. The results show that for certain load combinations, the load interaction behavior is affected by D/T ratio and some load interaction relations change with a load dominance. The general trend is an increase in effective stress as D/T is increased. Most design codes show slightly conservative pipe design.
The Effect of D/T on the Load Interaction Behavior of a Plain Pipe
Contributed by the Pressure Vessels and Piping Division for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received by the PVP Division May 19, 2003; revision received May 21, 2004. Associate Editor: G. E. O. Widera.
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Ayob, A. B. (December 1, 2004). "The Effect of D/T on the Load Interaction Behavior of a Plain Pipe ." ASME. J. Pressure Vessel Technol. November 2004; 126(4): 518–522. https://doi.org/10.1115/1.1804197
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