How to determine the uniaxial tensile strength of rock?

The shape and test method of the sample are shown in Figure 1. When the tensile force p is pulled off on the test machine, the tensile strength of the rock is:

Ïƒ=10p/A, MPa

The initial cross-sectional area of â€‹â€‹the A-rock break section, cm ² .

Figure 1 Uniaxial tensile strength test

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