VDAS Onboard STS13 - Experiment

Continuous and Indeterminate Beams (Next Generation Structures)

Experiment that can be used to perform a wide variety of beam experiments, from simple cases to complex problems. Mounts on the Structures test frame and connects to the Structures automatic data acquisition unit and software (VDAS® Onboard).

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Description

Continuous and Indeterminate Beams (Next Generation Structures)

One of a range of experiment modules that fit to the Structures platform (STS1, available separately), this product provides a comprehensive set of experiments for the subject of beams and their support reactions and deflections.

The first experiments use two simple supports and a ‘rigid’ and heavy beam to examine statically determinate systems. Students learn basic principles such as moments, the principle of superposition, uniformly distributed loads (UDLs) and the concept of the influence line.

The second set of experiments relate to more advanced beam structures that are statically indeterminate, or involve a measurable beam deflection. Students use a light and ‘flexible’ beam. Using a ‘flexible’ beam allows students to consider the supports significantly more rigid, so the normal textbook theory becomes valid. Two additional supports help complete the experiments.
One allows measurement of the support fixing moment, the other ‘universal support’ works as simple support, a clamped support and a sinking knife edge support. A precision indicator on a slide can be easily positioned to measure beam deflections. All supports and the indicator slide have pointers that work with the scale and the platform for accurate position.

Note: The alternative product, Equilibrium of a Simply Supported Beam (STS22), contains the first set of this experiment module’s experiments as a more economical option if you do not need the more advanced areas of study.

Students apply loads to any position along the beams and measure the resulting reactions, deflections and moments. They use textbook beam equations to predict the results for any given load and compare the calculated results with the measured results. This helps confirm the reliability of the textbook equations and the accuracy of the experiment results.

The deflection indicator has its own display but it can connect (with the load cells) to the USB interface hub of the Structures platform for computer display and data acquisition (VDAS® Onboard).

*There are 21 different experiments in the Next Generation Structures range. View them all in this easy to view flyer here.

Learning outcomes

  • Principle of moments
  • Reactions for a point load along a simply supported beam
  • Reactions for a uniformly distributed load (UDL) on a simply supported beam
  • The principle of superposition
  • Influence Lines
  • Deflection of a simply supported beam
  • Reactions for a continuous beam
  • Reactions and moments of a propped cantilever
  • Reactions and moments of a fixed beam
  • The effect of a sinking support
Read more +
Essential Base Units
Recommended Ancillaries
Alternatives

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