Vibrating piles Vibrations of a single pile (observation of a Karman vortex street) or of two parallel piles in a flow (coupled vibrations) Features - vibrations of a single pile or of two parallel piles in a flow Learning objectives/experiments - vibration of a single pile -- observation of a Karman vortex street -- effect of the rod diameter -- effect of additional masses - coupled vibrations between two piles Specification [1] rods as vibrating piles for the experimental flume HM 161 [2] 3 single rods with different diameters [3] weight holder with weights as additional masses for the single rod to be studied [4] vibration of 2 parallel piles: 2 identical rods with holding device, distance of rods adjustable [5] single rod to be studied and holding device for parallel piles fastened on the flume bottom Technical data Single rods: 950mm long, made of PVC - Ø 16mm - Ø 20mm - Ø 24mm Weights - 3x 200g - 1x 80g (holder) Rods for vibration of 2 parallel piles - 2x Ø 16mm LxWxH: 500x100x30mm (parallel piles holding device) Weight: approx. 12kg