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Torsional stresses in box beams with cross sections partially restrained against warpingThe present report gives a method for computing the torsion of boxes with thin shear-resistant or simply tension-resistant walls under any torsional load, support and dimension. The final stress condition is developed from that of a principal system with unconstrained sectional warping corresponding to Bredt's formula and an additional stress condition due to constrained cross-sectional warping. This is computed by means of the deflection condition of the principal system from a statically indeterminate calculation. Conformably, the torsional rigidity of the final system is derived from that of the principal system with unconstrained sectional buckling.
Document ID
19930094673
Acquisition Source
Legacy CDMS
Document Type
Other
Authors
Ebner, Hans
Date Acquired
September 6, 2013
Publication Date
May 1, 1934
Report/Patent Number
NACA-TM-744
Accession Number
93R23593
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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