Brazilian Test Apparatus
Product Code : EL-RTLE-10506
Brazilian Test Apparatus (code EL-RTLE-10506) is a small load frame used for the indirect measurement of the tensile strength of rocks, testing specimens of 50 mm to 100 mm diameter with a thickness of half the diameter. A self-retracting hydraulic jack at the centre of the base works against an adjustable cross head on two threaded rods, and a 0-100 kN × 1 kN pressure gauge with maximum pointer reads the load.
Get a quote: use the Add To Cart enquiry button below, or send your quantity and delivery location through the contact page.
Specifications
| Parameter | Detail |
|---|---|
| Use | Indirect measurement of the tensile strength of rocks |
| Specimen size | 50 mm to 100 mm diameter, thickness half the diameter |
| Specimen holding | Circular jaws |
| Load frame | Small frame similar to a compression machine; base with two vertical threaded rods and an adjustable cross head |
| Hydraulic jack | Fitted at the centre of the base of the load frame; self-retracting |
| Pressure gauge | 0-100 kN × 1 kN, fixed at the base of the jack, with maximum pointer |
| Platens supplied | Two plain platens |
| Semi-circular platens | One pair, for 50 mm dia samples |
| Field use | Can also be used in the field |
| Standards | IS 10082-1982 |
| Optional extras | |
| Jaws | Pairs of jaws for sample dia 60 mm, 70 mm, 80 mm, 90 mm and 100 mm |
| Supply | |
| Product code | EL-RTLE-10506 |
| Manufacturer | Engineering Lab Equipment, Ambala, Haryana, India |
What Is the Brazilian Test Apparatus Used For?
Rock is much weaker in tension than in compression, and pulling a specimen apart directly is difficult, so the Brazilian test loads a disc across its diameter until it splits; the compressive line load sets up tension across the loaded diameter, and the tensile strength is calculated from the failure load and the disc size. The disc, half as thick as its diameter, is set in the semi-circular platens or jaws, the cross head is brought down to it and the jack is operated until failure, with the maximum pointer keeping the peak load on the gauge. The standard listed for it is IS 10082-1982.
What to Specify When Ordering
- Quantity — the number of apparatus required.
- Optional jaws — any pairs of jaws needed for 60, 70, 80, 90 or 100 mm diameter samples, beyond the 50 mm semi-circular platens supplied.
Frequently Asked Questions
What does the Brazilian Test Apparatus measure?
It is used for the indirect measurement of the tensile strength of rocks, by loading a disc-shaped specimen across its diameter until it splits.
What specimen sizes can be tested?
Specimens from 50 mm to 100 mm diameter can be tested, with a thickness equal to half the diameter. Platens for 50 mm samples come as standard.
Which jaws and platens are supplied?
Two plain platens and a pair of semi-circular platens for 50 mm dia samples are supplied, and pairs of jaws for 60, 70, 80, 90 and 100 mm samples are optional extras.
How is the load applied and read?
A self-retracting hydraulic jack at the centre of the base applies the load, and a 0-100 kN × 1 kN pressure gauge with a maximum pointer shows it.
Can the apparatus be used outside the laboratory?
Yes. The instrument can also be used in the field, with the jack, gauge and platens all carried on the small load frame.
Which standard is named for the Brazilian Test Apparatus?
The standard listed for it is IS 10082-1982, which sets out the indirect tensile strength test on rock specimens.
OEM Manufacturer
The Brazilian Test Apparatus is made by Engineering Lab Equipment (Engineering Labs Equipment Pvt Ltd) at its works at Plot No. 43, Industrial Park, Sector 2, Growth Center, Saha, District Ambala, Haryana, India. The company designs, makes and tests rock testing equipment for specimen preparation, strength and durability tests for engineering colleges, polytechnics, technical training institutes and research laboratories in India and overseas, and can build equipment to an institution's own requirements. Tender and OEM enquiries are handled through the Tenders/OEM page.
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See the full Rock Testing Lab Equipment range or all Civil Engineering Lab Equipment.
Request a Quote
For this and other rock testing lab equipment, schools and colleges can contact Engineering Lab Equipment, a manufacturer, supplier and exporter based in Ambala, India. To ask for a quotation, send the number of apparatus and any optional jaw pairs required and your delivery location through the contact page, or use the Add To Cart enquiry button on this page.
Last updated: October 2026
