HARDWARE
TecQuipment's Three-Pinned Arch hardware consists of a high-quality structures teaching apparatus to enable students to explore the characteristics of a three-pinned arch under various load conditions. The same shape as a real arched bridge, the three-pinned arch experiment ensures students consider economy, footing stability and so on.
To perform experiments, students apply various loads at set positions along the top of a simple determinate three-pinned arched structure. They can also apply a uniformly distributed load. The structure pivots at one end and at the crown, and the arch rolls against a load cell at the opposite end which connects to a Digital Force Display (STR1a). This measures the thrust reaction.
The Three-Pinned Arch module includes a lead to connect the load cell to a Digital Force Display (STR1a), various weights, a rule, a lecturer guide and a student guide.
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VIRTUAL EXPERIMENTS
The Three-Pinned 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 simulate the arch under loads greater than those permissible using the hardware module alone. It also enables studies using uniformly distributed loads. As students apply loads, the simulation software also displays a force diagram together with a diagram of theoretical bending moment. 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 three-pinned arch under varying applied 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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