This manual describes available or preferred procedures or concepts of drilling and blasting conducted during rock excavation, in order to aid design and construction personnel in related matters. The manual is designed principally for the use of geologists and engineers who are given responsibilities in drilling and blasting projects. Such responsibilities may come either in the design or the construction phase. Contents: Introduction Mechanics of Blasting Explosives and their Properties Drilling Basic Surface Blasting Techniques Modifying Blasting Techniques to Fit Geological Conditions Damage Prediction and Control Drilling and Blasting in Rock Excavation by Contract

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