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Reduction of the operating costs is of great importance with respect to the final costs of the product. The ability to estimate blasting costs before designing blast patterns enables design engineers to choose suitable blast-hole diameters and other crucial parameters of the blast design (Ghanizadeh Zarghami, 2005). Specific charge and specific drilling are two substantial factors concerning blast pattern design that influence blasting costs (Ghanizadeh Zarghami et al., 2017). The hole diameter is generally regarded as a crucial parameter in designing blast patterns (Ostovar, 2013). In the same vein, this study, proposes several models to estimate blasting costs as a function of hole diameter and other parameters, including uniaxial compressive strength (UCS).

A model to calculate blasting costs using hole diameter, uniaxial compressive strength, and joint set orientation