Brazilian Test Apparatus
Product Code : EL-RTLE-10506
Quick Answer: The Brazilian Test Apparatus is used for the indirect measurement of the tensile strength of rocks, testing specimens from 50 mm to 100 mm diameter with a thickness of half the diameter. It comprises a small load frame, similar to a compression machine, with a sturdy base, two vertical threaded rods, an adjustable cross head, and a centrally fitted, self-retracting hydraulic jack with a 0-100 kN x 1 kN pressure gauge with a maximum pointer. It is supplied with two plain platens and a pair of semi-circular platens for 50 mm dia samples, can be used in the field, and optional jaw pairs are available for 60, 70, 80, 90 and 100 mm dia samples.
The instrument is useful for testing specimens from 50mm dia to 100mm, of thickness half the diameter, for the indirect measurement of the tensile strength of rocks. The specimen is held in circular jaws; this is primarily similar to a compression machine and consists of a small load frame having a sturdy base with two vertical threaded rods and an adjustable cross head. The hydraulic jack is fitted at the centre of the base of the load frame, and a pressure gauge of capacity 0-100 kN x 1 kN is fixed at the base of the jack. The jack of the load frame is self-retracting and two plain platens are supplied. A maximum pointer is also provided on the gauge. A pair of semi-circular platens for 50mm dia samples is also provided. The instrument can be used in the field also.
Optional Extras:
Pair of jaws for samples dia
60 mm
70 mm
80 mm
90 mm
100 mm.
Standards: IS 10082-1982
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Last Updated: September 2026
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