Wednesday, April 7, 2010

Basic Surface Mining

Surface Mining
1. Contour Mining



2. Strip Mining


3. Open Pit Mining


4. Open Cast Mining/ Mountain top Removal MTR)




5. Quarry Mining




OPEN CAST MINING/MOUNTAINTOP REMOVAL





The Types of Mining Methods

a. Truck and Shovel



b. Dragline



c. Direct Dozing
Integrated Dozer push and Truck Shovel (Dozer Method Flat Dip and 8o)
Example Dozer Method


Example Dozer Method Cross Section



Direct Dozing Method



Downhill – Dozer Wedge



4. High wall Mining (Auger Mining)


High Wall Mining Configuration


High Wall Mining Equipment
a. Auger Machine



b. Auger Drills



c. Auger Holes



d. LAUNCH VEHICLE



e. COAL EXTRACTION ACTIVITY



5. Continuous Mining
Continuous Mining Diagram



Continuous Mining