SE 110.16 Parabolic Arch Didactic Equipment Vocational Education Equipment Mechanical Training Equipment
Differences between statically determinate and statically indeterminate arches under load Features - statically determinate or statically indeterminate parabolic arch under load - deformations of the arch under load - bearing reactions of the arch Learning objectives/experiments - mechanical principles of the parabolic arch - differences between statically determinate and statically indeterminate arches - measurement of the deformations of the arch under load - measurement of the bearing reactions on the statically indeterminate arch under load - calculation of the bearing reactions - influence of load on reaction forces and deformation of the arch -- point load -- distributed load -- suspended elastic roadway under load Specification [1] investigation of a parabolic arch, optionally statically determinate (1 fixed bearing, 1 floating bearing) or indeterminate (2 fixed bearings) [2] loading of the arch with a distributed load by way of 7 evenly distributed loads or by point loads or by suspended roadway with loads [3] 2 dial gauges record the deformation of the arch under load [4] weights to compensate for the reactions of a fixed bearing [5] roadway with 1 set of shackles to be suspended into the arch; shackles in graduated length [6] storage system to house the components [7] experimental setup in frame SE 112 Technical data Parabolically pre-shaped steel arch - length: 1000mm - height: 280mm - cross-section: 20x6mm Roadway made of PVC - dead-weight: approx. 2,6N - LxWxH: 900x70x3mm Dial gauge - measuring range: 0...25mm - graduation: 0,01mm Weights - 11x 1N (7+4 hanger) - 7x 1N (shackle) - 36x 1N - 19x 5N LxWxH: 1170x480x178mm (storage system) Weight: approx. 38kg (total)
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