Squash load — where it appears
Named by 2 essays across 2 fields — each of them below, with the objects they name alongside it.
Two ways to fail, and the curve between them
A column carrying both compression and bending has two capacities and a rule for sharing them out. The rule is a straight line, the truth is a curve, and for a rectangle the straight line gives away a quarter of the plastic moment at half the squash load.
The column that had yielded before it was loaded
A real column sits below both of the two straight answers over the whole middle of the slenderness range, and the usual explanation — that it was not straight — is only half of it. The other half is that the flange tips had already yielded when it left the rolling mill.
Named alongside it
The objects these essays reach for when they reach for this one.
BucklingColumn curveCritical loadEccentricityElastic limitEqual area axisFree bodyImperfectionInteractionNeutral axisPlastic momentPlastic neutral axis