Civil Engineering > GATE 2024 SET-2 > Buckling
A homogeneous, prismatic, linearly elastic steel bar fixed at both the ends has a slenderness ratio (l/r) of 105, where l is the bar length and r is the radius of gyration. The coefficient of thermal expansion of steel is 12 x 10-6/oC. Consider the effective length of the steel bar as 0.5l and neglect the self-weight of the bar. The differential increase in temperature (rounded off to the nearest integer) at which the bar buckles is _______.
Correct : b
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