SCI P057: Design of Members Subject to Combined Bending and Torsion
SCI P057: Design of Members Subject to Combined Bending and Torsion
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Author: D. A. NETHERCOT, P. R. SALTER, A. S. Malik | Size: 4.6 MB | Format: PDF | Publisher: SCI | Year: 1997 | pages: 128 | ISBN: 1870004442
The causes of torsional loading on structural members are discussed and those situations in which the explicit consideration of torsion needs to form part of the design calculations are identified. The basic theory of the torsion of both open and closed steel sections is presented. Solutions of the resulting equations in terms of both design charts and formulae for a selection of applied torsional loadings and support conditions are provided. A simple method for combining the effects of torsion and bending, consistent with the approach of BS 5950: Part I is presented. The complete design approach for combined bending and torsion is illustrated by means of a number of worked examples. These show that design will frequently be governed by the need to restrict twisting at working load to acceptable levels, rather than by considerations of ultimate strength.
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