HARDWARE
TecQuipment's Plastic Bending of Beams hardware enables students to load specimen beams, using an electronic ring load cell, until the beams are in the fully plastic condition (that is, have undergone plastic collapse). They can then compare the results to traditional yield stress theory.
The Plastic Bending of Beams module consists of a backboard with a fixed chuck at one end and a moving chuck at the other. The fixed chuck allows both a knife-edge and encastré fixing. The moving chuck allows the same fixing conditions but moves in the horizontal direction. This compensates for the specimen beams shortening as they experience plastic deformation.
A long-travel digital deflection indicator measures the plastic deformations.
The Plastic Bending of Beams experiment includes a vernier, a rule, a set of three specimen beams, leads to connect to a Digital Force Display (STR1a), a student guide and a lecturer guide. Extra specimens are available separately (STR15a).
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VIRTUAL EXPERIMENTS
The Plastic Bending of Beams Virtual Experiments Software enables computer simulation of experiments working with or without the Structures teaching hardware.
It expands the scope of experimentation beyond the limits of the hardware, allowing students to select the specimen cross-sectional shape. As well as simulation of all the experiments possible with the Plastic Bending of Beams hardware module, the Virtual Experiments Software allows students to explore and compare the effect of form factor on collapse load. During experiments, the software displays theoretical forces and corresponding deflections at hinge formation and theoretical bending moment diagrams.
Students can visualise, tabulate and graph data, reducing the time required for students to obtain, process and present results. This allows students to realistically, efficiently and conveniently investigate and compare the properties of a wide selection of beam types under varying loads.
The Virtual Experiments Software is available in a variety of multi-user and networked options, as well as single-user format.
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