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Plastic Bending of Portals
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Teaching Product Ref STR16 |
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(Click image to enlarge)
Hardware
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Virtual Experiment
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TQ's Plastic Bending of Portals teaching apparatus enables a range of laboratory, classroom and computer-based experiments for civil, mechanical and structural engineering students studying plastic theory and limit state design in portal frames.
Experiments include:
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Relationship between load and deflection for portal frames loaded to the plastic condition |
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Introduction to limit state design |
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Relationship between maximum loading and plastic hinge formation in portal frames loaded vertically from the centre, horizontally from one corner, and equally from both positions |
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Interaction between horizontal and vertical loading in terms of plastic hinge position and mode of collapse |
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| To ensure it meets your teaching needs, TQ's Plastic Bending of Portals teaching apparatus is available in various hardware and software formats. Choose from: |
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Hardware only |
| Hardware with virtual (computer-simulated) experiments |
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Hardware with automatic data acquisition and virtual experiments |
| Virtual experiments only, included in the Virtual Experimentation Pack (STRS) |
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HARDWARE
TQ's Plastic Bending of Portals experiment enables students to apply single and combined loads to a portal frame, until plastic collapse. They monitor load and deflection, and note where plastic hinges form.
The equipment includes two long-travel digital deflection indicators and two load cells for measurement. It also includes two leads to connect to a Digital Force Display (STR1a), a vernier, a student guide and a lecturer guide. Extra specimen portals are available separately (STR16a).
Ideally, students will have used the Plastic Bending of Beams experiment (STR15) before progressing to Plastic Bending of Portals. The Plastic Bending of Beams experiment provides a basic understanding of underlying principles, such as plastic deformation, form factor and so on.
Essential ancillaries:
To use the Plastic Bending of Portals hardware you will also need:
Structures Test Frame (STR1) and a
Digital Force Display (STR1a)
Recommended ancillaries:
Structures Virtual Experimentation Pack (STRS)
The Automatic Data Acquisition Unit (STR2000) will enable automatic data acquisition from the Plastic Bending of Portals hardware. As an additional benefit, the Plastic Bending of Portals virtual experiment is FREE!
Specimen Portal Frame Pack (STR16a)
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VIRTUAL EXPERIMENTS
The Plastic Bending of Portals 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 explore and compare the effect of form factor on collapse load and construct an interaction diagram for both fixed and pinned fixing conditions and compare the failure modes.
During experiments, the software displays theoretical forces, corresponding deflections and bending moment diagram at the formation point of each plastic hinge. 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 portals 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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For more information see our datasheet (PDF file) 
To view datasheets you require Adobe Acrobat Reader 4 or above installed on your machine. (Click here to download). |
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