1) Equivalent diameter of core sample, DE? (mm?) 4 x (Averge width x Depth) DE2 =...
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1) Equivalent diameter of core sample, DE? (mm?) 4 x (Averge width x Depth) DE2 = 3.14 2) Point Load Strength Index, Is (MPa) (Load, P x 1000) Is = 3) Is(50) (MPa) = n 0.45 DE Is(50) = Is x 50 4) UCS (MPa) = UCS (MPa) = 1s(50) x a a = 20 ( for soft rocks) a = 24 (for hard rocks) *before proceeding with the calculation, ensure all the rock samples passed the shape requirement for the point load tests. (30 <D< 85), (0.3 < D/W <1.0). (0.5 D<L). Equivalent diameter of core sample, DE? (mm2) Point Uniaxial compression strength (UCS), C Lower Average width, Waverage Length, Depth, Load Load Upper width, W1 (mm) Sample width, L D P Index Is(50) No. Strength, Is (Mpa) (mm) (mm) (Kn) (mm) (mm) 1 25.0 40.0 40.0 70.0 43.1 2 25.0 48.0 70.0 80.0 27.7 3 25.0 45.0 60.0 50.0 29.2 22.5 40.0 70.0 50.0 24.8 5 25.0 40.0 70.0 60.0 27.2 30.0 35.0 50.0 40.0 29.4 7 25.0 35.0 70 0 80.0 22.3 8 22.0 32.0 50.0 70.0 34.0 30.0 50.0 70.0 90.0 36.7 10 20.0 20.0 10.0 70.0 38.4 1) Equivalent diameter of core sample, DE? (mm?) 4 x (Averge width x Depth) DE2 = 3.14 2) Point Load Strength Index, Is (MPa) (Load, P x 1000) Is = 3) Is(50) (MPa) = n 0.45 DE Is(50) = Is x 50 4) UCS (MPa) = UCS (MPa) = 1s(50) x a a = 20 ( for soft rocks) a = 24 (for hard rocks) *before proceeding with the calculation, ensure all the rock samples passed the shape requirement for the point load tests. (30 <D< 85), (0.3 < D/W <1.0). (0.5 D<L). Equivalent diameter of core sample, DE? (mm2) Point Uniaxial compression strength (UCS), C Lower Average width, Waverage Length, Depth, Load Load Upper width, W1 (mm) Sample width, L D P Index Is(50) No. Strength, Is (Mpa) (mm) (mm) (Kn) (mm) (mm) 1 25.0 40.0 40.0 70.0 43.1 2 25.0 48.0 70.0 80.0 27.7 3 25.0 45.0 60.0 50.0 29.2 22.5 40.0 70.0 50.0 24.8 5 25.0 40.0 70.0 60.0 27.2 30.0 35.0 50.0 40.0 29.4 7 25.0 35.0 70 0 80.0 22.3 8 22.0 32.0 50.0 70.0 34.0 30.0 50.0 70.0 90.0 36.7 10 20.0 20.0 10.0 70.0 38.4
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Related Book For
Managerial accounting
ISBN: 978-0471467854
1st edition
Authors: ramji balakrishnan, k. s i varamakrishnan, Geoffrey b. sprin
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