51吃瓜app

Drilling and Development

The principles, economics and application of percussive, rotary and rotary-percussive drills are discussed. The selection of drilling equipment for optimum design in surface and underground operations is covered and case studies examined. The design of shafts, raises and lateral development with regard to factors such as ground control, supporting methods, materials and economics are discussed, together with case studies. Modern techniques of driving development openings ranging from conventional drilling and blasting to rock boring are explained. PREREQ: ENGR 2106. (lec 3, lab 1.5) cr 3. Lecture (3.00).