Unit 1 Surface mining

4 lecture hours

• General information
• Basic definition
• Surface mining
• Quarrying strip mining
• Open pit mining
• Open cast mining
• Terms: Advantages and disadvantages
• Determination of main parameters
• Major dimensions
• Heights and widths and benches
• Slop angles

Unit 2 Opening up of mines by surface methods, Driving of ingoing

4 lecture hours

• laying of communication routes
• System of disposal of overburden
• Removal of cover rocks
• Factors influencing selection and characteristics of opencast work

Unit 5 Ground Preparation

• Bull dozing

Unit 6 Drilling

• Criteria for selection and performance of different types of drilling equipments
• Drilling patterns: Inclined drilling. 04 08%

Unit 7 Blasting

• Multi row blasting
• Twin bench blasting: Coyote blasting
• Secondary blasting
• Overcastting by explosives. 04 08%

Unit 8 Excavation and loading

5 lecture hours

• Factors influencing choice of excavating and loading machines
• their performance in different condition of ground
• Power shovel
• Dragline, BWE, Front end loaders
• Surface miner

Unit 9 Transport

5 lecture hours

• Comparative study of different transport system in opencast mines
• Factors influencing choice of a system
• Optimization of load haul system
• Coal haulers
• Belt conveyer
• Pipe line transportation

Unit 10 Storage

• Stock piling and rehandling

Unit 11 Reclamation

3 lecture hours

• Planning methods of reclamation for different types of opencast mines

Unit 12 Drainage

5 lecture hours

• Sources of water assessment of drainage requirements drainage patterns
• Slope Stability: Factors influencing stability of slopes
• Mechanics of slope failures
• Stability analysis
• Methods of improving stability of slopes
• Protection and monitoring
• Influence of pit slope on mine economics