SE 110.18 Forces On A Suspension Bridge Didactic Equipment Vocational Education Equipment Mechanical Training Equipment
Supporting cable force and demonstration of bending moments between the roadway support and supporting cables Features - rigid or elastic roadway for the suspension bridge - different load cases possible: point or distributed load - catenary of a free-hanging cable Learning objectives/experiments - familiarisation with a suspension bridge -- under dead-weight -- under additional weight -- under evenly distributed load -- under unevenly distributed point loads - calculation of the supporting cable force - comparison between calculated and measured values of the supporting cable force - observation of the effect of internal moments in the roadway under uneven load -- for a rigid roadway -- for an elastic roadway - determination of the catenary of a free-hanging cable Specification [1] investigation of a suspension bridge in various load cases [2] suspension bridge, consisting of 2 supporting cables, roadway and 2 deflection pulleys as pylons [3] supporting cables with parabolic sag [4] hangers (vertical supporting cables) in the form of U-shaped shackles in graduated lengths [5] roadway (distributed load) can be loaded by additional weights [6] 2 selectable roadways: rigid roadway (two-section with central hinge) and elastic roadway [7] experimental setup "hanging cable": supporting cables without roadway, loaded with point loads [8] 4 hanger to measure the cable force in both supporting cables [9] storage system to house the components [10] experimental setup in frame SE 112 Technical data Suspension bridge - span: approx. 1050mm - supporting cable sag: approx. 325mm - number of supporting cables: 2 - shackles: 12, graduated lengths Rigid roadway, two-section with hinge, wood - LxWxH: 1000x70x10mm - dead-weight of roadway: 5,5N Elastic roadway, PVC - LxWxH: 1000x70x3mm - dead-weight of roadway: 3N Weights - 16x 1N (hanger) - 12x 1N (shackle) - 24x 1N - 28x 5N LxWxH: 1170x480x178mm (storage system) Weight: approx. 37kg (total)
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