5. Point load tests were carried out on two sedimentary rock speci- mens of 54 mm diameter (NX core), as shown the following figure The loads P and P, at failure are 6.28 kN and 4.71 kN, respectively. Find the point load strength index I(50) in the two directions and compute the point load strength anisotropy index Ia(50). Q.PH 30 mm ↓ TP₁ 1P₁ 60 mm

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Test for Determination of Shear Strength

The term shear strength is often associated with the soil. Shear strength is defined as the resistance to the deformation of soil particles due to the continuous action of shear stress. In short, shear strength is the maximum shear stress that a soil can sustain.