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Redundant Tuss Next Generation Structures
The Redundant Tuss Next Generation Structures module (Product Code: SLE/EG/04) is a pin-jointed truss experiment that shows the step from a statically determinate framework to a statically indeterminate one. Strain gauges on every member reveal how the load is shared, a precision indicator measures deflection, and a simple thumbscrew engages or releases an extra ‘redundant’ member so students can compare both conditions on the same frame. It is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, a TVET lab equipment manufacturer in India that also serves universities and engineering colleges.
Key Details
| Parameter | Detail |
|---|---|
| Type | Redundant (statically indeterminate) truss experiment |
| Supports | Two: one allows rotation only; the other allows rotation and translation |
| Load application | Hand-operated load cell assembly that applies and measures load at the free-end Joint Boss |
| Member force measurement | Strain gauges on each truss member |
| Deflection measurement | Precision indicator measuring framework deflection |
| Redundant member | Engaged and disengaged with a simple thumbscrew |
| Data connection | Strain gauges connect to a strain gauge amplifier, which connects to the interface hub of the Structures Platform for computer display and data acquisition |
| Analysis methods | Textbook truss equations; strain-energy method for the indeterminate case |
Typical Use
The practical runs in two halves. With the redundant member disengaged, the frame is statically determinate: students apply load at the Joint Boss with the hand-operated load cell, read the strain in each member and convert it to member force, then check the values against a method-of-joints calculation. They also note the deflection on the precision indicator. Turning the thumbscrew then brings the extra member into action, and the same loads are repeated.
Now the forces can no longer be found from equilibrium alone, so students use a strain-energy or compatibility approach to predict them. Comparing the two data sets shows how the redundant member draws load away from others and stiffens the frame, reducing deflection. This makes the module a strong teaching aid for structural analysis courses, and useful engineering educational equipment for colleges moving students from determinate to indeterminate structures.
Manufacturer
The module is made by Jain Scientific Equipments Private Limited, an Ambala, Haryana firm that sells its laboratory equipment under the ScienceLab name. Details of the company can be found on our company profile.
Related Laboratory Equipment
Items used with, or studied alongside, this truss module:
- Structures Platform — houses the interface hub through which the strain readings reach a computer
- Continuous and Indeterminate Beams — the same determinate-to-indeterminate idea applied to beams
- Two Pinned Arch — another structure where a measured reaction is compared with theory
- Bending Stress In a Beam — practises strain-gauge measurement on a simpler member
For more structures apparatus, open our General Products listing.
Frequently Asked Questions
What makes the truss ‘redundant’?
An extra member, engaged with a thumbscrew, makes the frame statically indeterminate so member forces can no longer be found by equilibrium alone.
How are member forces measured?
Each member carries strain gauges. Their signals pass through a strain gauge amplifier to the Structures Platform interface hub for display and logging on a computer.
Is the strain gauge amplifier included?
Our current description does not confirm this. Please contact us so we can list exactly what your order contains.
Does it need the Structures Platform?
Yes for computer display and data acquisition, since the amplifier connects to the platform's hub. The platform is a separate item.
What is the maximum load of the hand-operated load cell?
Load capacity is not stated in our current text; we can supply the datasheet on request.
Are calibration documents or a warranty provided?
Warranty terms are included in every quotation; calibration documentation should be discussed with us before ordering.
Can you quote for a full structures laboratory?
Yes. Send the list of modules and quantities, and your delivery location in India or overseas.
Request a Quote
Get pricing for this redundant truss module through our contact page, or add it to your enquiry cart with the Structures Platform.
Last updated: 24 September 2026
