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Bending Moments In a Beam
Bending Moments In a Beam (Product Code: SLE/EG/11) is a beam experiment that measures bending moment directly: a load cell bridges a cut at mid-span, so the moment carried across the cut is read as loads are hung along the beam. The beam sits on a pinned support and a roller support, has an overhanging end for positive and negative moments, and comes with a uniformly distributed load (UDL) for comparison with single point loads. It is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, as foundational mechanics lab equipment for engineering students.
Key Details
| Parameter | Detail |
|---|---|
| Type | Bending moment experiment for a simply supported beam with overhang |
| Supports | Two: one pinned (rotation only), one roller (allows translation) |
| Beam layout | Central span with an overhanging end, giving positive and negative bending moments |
| Loading | Loads on hangers suspended along the beam |
| Included load | Uniformly distributed load (UDL) that can be applied across the span |
| Measurement | Load cell at the cut at mid-span measures bending moment |
| Positioning | Pointers that work with the scale on the Structures Platform |
| Data connection | Load cell connects to the USB interface hub of the Structures Platform |
Typical Use
Students place the supports with the pointers and scale, hang a load at a chosen position and note the bending moment at the cut from the load cell. They calculate the same value from the reactions and compare. Moving a single load across the span and onto the overhang, and plotting the mid-span moment for each position, produces the influence line for bending moment at that section; loads on the overhang show the moment at mid-span changing sign.
Next, the UDL is laid across the span and the result compared with a point load of the same total size, showing why distributed loads give lower peak moments. Combining several hangers lets students build full bending moment diagrams and test the principle of superposition. It is often the first structures practical in a civil or mechanical syllabus, and a sensible starting point for colleges assembling engineering lab equipment in India for strength of materials.
Manufacturer
The beam module is manufactured by Jain Scientific Equipments Private Limited, based in Ambala, Haryana, and sold under the ScienceLab name. Purchase departments completing vendor forms can use our registration details: GSTIN 06AAECJ8618A1ZT and LEI 3358004HRD1JIVXKYX49. The company profile has more background.
Related Laboratory Equipment
Natural next steps and companions for this experiment:
- Structures Platform — supplies the positioning scale and logs the mid-span load cell
- Bending Stress In a Beam — links the measured bending moment to stresses in the section
- Deflection of Beams and Cantilevers — the stiffness side of beam behaviour under the same kinds of load
- Continuous and Indeterminate Beams — extends the analysis to beams on more than two supports
- Bending Moments In A Portal Frame — moves bending moment diagrams from a beam to a frame
Explore the full General Products range of structures equipment.
Frequently Asked Questions
How does the apparatus measure bending moment?
The beam is cut at mid-span and a load cell across the cut measures the bending moment transmitted there.
Why does the beam have an overhang?
Loads on the overhanging end produce negative (hogging) moments, so students can study both positive and negative bending moments.
Is a distributed load included?
Yes, a UDL is included and can be applied across the span for comparison with a single point load.
Are the hangers and point-load masses supplied?
Loads are applied to hangers along the beam, but the exact hanger and mass contents are not listed in our current description. Please contact us to confirm.
Is the Structures Platform needed?
Yes, for positioning with its scale and for computer display of the load cell. It is ordered as a separate item.
What details should a college include when requesting a quotation?
Quantity, delivery address, whether a platform is also needed, and any tender reference. Warranty terms and any calibration document requests are handled in the quotation.
Do you supply outside India?
Yes, we serve institutions in India and international markets.
Request a Quote
To receive a quotation for Bending Moments In a Beam, write to us through the contact page or add it to the enquiry cart with the Structures Platform.
Last updated: 24 September 2026
