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Strut Column Buckling Apparatus (SMT-SM-06)
Investigation of all relevant buckling cases.
Verification of Euler’s theory of buckling.
Experiments in the horizontal or vertical position.
Test bars with different lengths made of different
Test bars pinned or fixed.
Spindle for applying forces.
Lateral load mechanism generates shear forces.
Force measurement using a hydraulic dynamometer.
Measurement of lateral deflection with a dial gauge.
Storage system for parts.
In engineering mechanics, loss of stability is known as buckling. The bar axis laterally deflects
under the effect of compressive forces and with increasing load until it suddenly and violently
fails, just before the fracture strength is reached. The stresses in the bar are often still in the
elastic region. SMT-FM-06 investigates the buckling behaviour of bars under different
influences. All relevant buckling problems are demonstrated in experiments. In this
experiment, a bar is clamped or supported at both ends in the experimental unit, depending
on the buckling case. A height-adjustable loading member and a hand-operated spindle are
used to apply a compressive force to the bar. An axial support between the spindle and bar
support prevents torsional stress on the test bar. The applied force is hydraulically measured
and displayed on a force gauge. A dial gauge indicates the lateral deflection of the bar.