Correct option is A
Split Tension Test Description:
The split tension test is used to determine the tensile strength of concrete indirectly.
A cylindrical specimen is placed horizontally, and a compressive load is applied along its longitudinal curved surface area using compression testing equipment.
Mechanism:
The applied load induces tensile stress perpendicular to the direction of loading, splitting the cylinder into two halves.
This tensile stress causes the specimen to fail, and the failure load is used to calculate the indirect tensile strength.
Formula Used:
where:
P = Applied load at failure,
d = Diameter of the cylinder,
L = Length of the cylinder.