HARDWARE
The Fixed Arch Structures teaching equipment hardware consists of high-quality educational apparatus which enables engineering students to examine the relationship between applied loads, horizontal thrust and fixing moment produced from a fixed (thus redundant in three degrees) arched structure. Students can then compare their results gained from fixed-arch experiments to simplified theory based on the Secant assumption.
To perform experiments using the fixed arch module, students apply various loads along the span of an arched structure. The arch is fixed at both ends. At one end of the arch, a moment arm rests on a load cell. This measures the fixed moment reaction. At the other end, a load cell measures the horizontal thrust.
The fixed arch module includes two load cells, leads to connect the load cells to a Digital Force Display (STR1a), weight hangers and weights, a rule, a lecturer guide and a student guide.
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VIRTUAL EXPERIMENTS
The Fixed Arch 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 visualise, tabulate and graph data, reducing the time required for students to obtain, process and present results.
It also enables students to apply uniformly distributed loads to the arch. This allows students to realistically, efficiently and conveniently investigate and compare the properties of a fixed arch under varying applied loads. As students apply loads, the simulation displays a force diagram with a diagram of theoretical bending moment.
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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