The Bauschinger Effect on Columns

Earthquakes or the passing shock wave of an atomic blast may cause tensile yield in members before collapse in compression (1). In order to examine the effect of this reversal, the reduction of compressive properties of structural steel are analyzed after a variety of tensile pre-strains and these properties are applied to calculate collapse loads. The calculated maximum loads are then compared with test results to determine a practical method whereby they may be predicted.