STR3 - Experiment

SHEAR FORCE IN A BEAM

A simply supported beam apparatus to demonstrate and investigate the shear forces within a structure by use of a loaded beam designed to move in shear only.

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Description

SHEAR FORCE IN A BEAM

The experiment hardware is a simply supported beam with a ‘cut’. The beam fits onto a Structures Test Frame (STR1, available separately).

A mechanism bridges the cut, which stops the beam collapsing and allows movement in the shear direction only. An electronic load cell measures the force, and connects to a Digital Force Display (STR1a, available separately). Students apply loads at set positions using hangers holding various masses.
The lecturer guide provides details of the equipment including sample experiment 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 you can perform with the hardware. They also extend the choice of tests beyond that available using only the hardware, for example: higher loads, uniform loads or different test specimens. This extends the student’s learning experience.

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 which displays and logs your experiment results and gives the extra virtual experiments.

Learning outcomes

  • Shear force variation with an increasing point load
  • Variation of shear force for various loading conditions
  • Examination of various other loading cases and their effect on shear force, including loads traversing the beam
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Essential Base Units
Recommended Ancillaries
Essential Ancillaries

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