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Local instability of columns with I-, Z-, channel, and rectangular-tube sectionsCharts are presented for the coefficients in the formulas for the critical compressive stress at which cross-sectional distortion begins in thin-wall columns of I-, Z-, channel, and rectangular-tube sections. The energy method of Timoshenko was used in the theoretical calculations required for the construction of the charts. The deflection equations were carefully selected to give good accuracy. The calculation of the critical compressive stress at stresses above the elastic range is briefly discussed in order to demonstrate the use of the formulas and the charts in engineering calculations. Two illustrative problems are included.
Document ID
19930081516
Acquisition Source
Legacy CDMS
Document Type
Other
Authors
Stowell, Elbridge Z
Lundquist, Eugene E
Date Acquired
September 6, 2013
Publication Date
December 1, 1939
Report/Patent Number
NACA-TN-743
Accession Number
93R10806
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Keywords
STRESSED SKIN LMAL
STRESSED SKIN - COLUMNS
CHARTS - STRESSES
THEORIES - BUCKLING - TIMOSHENKO
LOADS - COLUMNS
TUBING, RECTANGULAR - STRESSES, COMPRESSIVE
PLATES - BUCKLING

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