Unit 1 Introduction

6 lecture hours

• Scope and importance of rock excavation engineering in mining and construction industries
• physico-mechanical and geotechnical properties of rocks vis-à-vis excavation method
• selection of excavation method
• Rock breaking processes: Primary
• Secondary and Tertiary
• Energy consumption computations

Unit 2 Blasting Technology in Excavations

12 lecture hours

• Explosives and their selection criteria for rock excavation
• blast design for surface excavations and optimization
• advanced blast initiation systems
• blast performance evaluation
• cast blasting
• techno-economic and safety aspects of surface and underground blasting
• advances in blast design for underground excavations
• contour blasting
• computer aided blast designs
• Under water drilling and blasting

Unit 3 Surface Excavation Technology and Equipment

12 lecture hours

• Introduction to surface excavating methodologies and equipment
• Classification of surface excavating equipment systems vis-a-vis unit operations
• Equipment’s selection criteria and procedures
• application and selection guidelines for different types of equipment like rippers
• scrapers, BWE, continuous surface miners
• auger drills

Unit 4 Underground Excavation Technology and Equipment

• Types of underground excavations: tunnel
• cavern, etc, Theories of rock tool interaction for underground excavation machinery - ploughs
• road headers
• continuous miners. 12 Subject Code: 3172216 w.e.f