Browse Publications Technical Papers 2002-01-3479
2002-11-19

Yielding Strengh Analysis for Self Supported Pressure Vessels 2002-01-3479

The hazardous bulk chemical liquid cargo transportation is usually made through highways, using special automotive devices, named semitrailer tank, a kind of mobile tank specially developed to perform this task, manufactured with many types of steel, selected according to the chemical characteristics of the product to be transported.
Equipment sizing is made based on specific standards which include specified formulas, loading, and safety factors representing the design criteria of this type of device.
Despite of the detailed design criteria for semitrailer tank, it has been observed failure of some pieces of equipment during operation, in a shorter effective life than that one considered in the design phase itself.
Considering a detailed study of the stress distribution in this type of equipment, this paper shows a verification of the possibility of yielding failure in the semitrailer tank structure.

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