Indirect tensile testing of rock, also known as the Brazilian Test, provides an alternative to direct tensile testing, producing tensile failure in the end faces of cylindrical rock samples by subjecting these specimens to compressive force along their length. Specimens usually have a height-to-diameter ratio of 2.5:3.0, and a typical diameter is 54 mm. The specimen is placed horizontally and loaded in compression until the flat ends split, revealing important tensile strength data

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