An experimental apparatus to allow students to investigate the important features of a fixed-arch and to illustrate how a structure applies loading to its surroundings when the footings are very hard in all directions.
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The experiment hardware fits onto a Structures Test Frame (STR1 – not supplied). To load the arch, students fit masses on weight hangers to set positions along the arch span. Both ends of the arch are fixed. 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 equipment includes leads to connect the load cells to a Digital Force Display (STR1a – not supplied). The lecturer guide provides details of the equipment including sample experiments results.
The student guide describes how to use the equipment and gives experiment procedures.
For extra ‘virtual’ experiments, TecQuipment can supply the optional TecQuipment Structures Software (STRS), for use on a suitable computer. The virtual experiments simulate the tests that you do with the hardware. They also extend the choice of tests than that available using only the hardware, for example: higher loads, uniform loads or different test specimens. This extends the student’s learning experience. Refer to the TecQuipment Structures Software datasheet for full details.
For automatic data acquisition of your experiment results, TecQuipment can supply the optional Automatic Data Acquisition Unit (STR2000). Supplied as standard with the STR2000 is TecQuipment’s Structures Software that displays and logs your experiments results and gives the extra virtual experiments. Refer to the STR2000 datasheet for full details.
- Demonstration of the characteristics of a fixed arch.
- Examination of the relationship between applied loads, horizontal thrust and fixing moment produced from a fixed (thus redundant in three degrees) arched structure.
- Comparison of behaviour to simplified theory based on the Secant assumption.
A sturdy lightweight aluminium bench-mounting frame to provide rigid support for the interchangeable experimental modules in TecQuipment's Structures Range (STR2 -STR20).
A hardware module to simultaneously measure and display the output of up to 4 force sensors mounted on experiments in TecQuipment's Structures Range (STR2 -STR20).
An experimental apparatus to allow students to investigate the important features of a two-pinned arch and to illustrate the use of arches where the footings are hard especially in the horizontal direction.