Inderscience Publishers

A new approach for estimation of properties of metamorphic rocks

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Rock properties play an important role in the preliminary design of structures. This research focuses on developing empirical models using multiple regression technique for prediction of physical properties of metamorphic rocks. The model considers the following parameters: drill bit diameter, bit speed, penetration rate and equivalent sound level produced during drilling. The F-test was used to check the validity of the developed models. The experimentally measured rock property values and the values calculated from the developed regression model were fairly close which indicates that the developed models could be efficiently used in prediction of intact metamorphic rock properties.

Keywords: uniaxial compressive strength, P-wave velocity, rock density, A-weighted sound level, metamorphic rocks, multiple regression analysis, rock properties, rock drilling, drill bit diameter, bit speed, penetration rate, equivalent sound level

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