The tensile strength of rock is defined as the pulling force required to rupture a rock sample divided by the sample s cross sectional area The tensile strength of rock is very small and is of the order of times the compressive strength Thus a rock material is more likely to fail in tension than in compression
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Get PriceDesign And Construction Of Rock Crushing Machine Crushing Strength Of Rock Invest Benefit Further if a rock mass is cut by directional joint sets the rock mass strength is anisotropic Rock mass strength is scale dependent and varies with the volume of rock under File Size 145KB crushing make your own rock crusher invest benefit Crushing
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Get Pricestrength of the hardest of all the rocks [6] σ t = = 7 t = 8 where t = thickness of the roll σ t = tensile strength of the roll Roll pressure Substituting into Equation 8 20MPa [4] = 410MPa and a design factor of to account for the wide range of rock harness yields
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Get PriceWhere is a representative strain rate chosen to be appropriate to the geologic situation being considered Chapple 1977 If n = 1 linear viscosity the material possesses no fundamental strength and permanent deformation will occur at any stress level If n is larger than about 3 typical values of n range from 2 to 9 Carter 1976 the material behaves as if it has a fundamental strength
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