Abstract
This paper discusses in some detail the secondary terms which, as explained in a previous paper by the author, occur in the expressions for the rotations in pipe bends under the action of couples normal to their plane. Revised formulas for the reaction couples and forces at the anchorages are given, comprising all the secondary terms throughout. The numerical results, when these formulas are applied, are recorded. The effect of omitting all secondary terms throughout the calculation is considered at length.
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