Unit 1: General
Status and scope of Underground metal mining methods; various types of ore deposit; Definitions of Important terms used in underground metal mining methods. Comparison between coal mining &metal Mining
Status and scope of Underground metal mining methods; various types of ore deposit; Definitions of Important terms used in underground metal mining methods. Comparison between coal mining &metal Mining
Mode of access; Variables affecting the choice of mode of access; Crosscuts, Levels, Raises; Their Method of drivages with the description of various unit operations; Introduction to Raise boring and Introduction to tunnel boring.
Classification of mining methods; Factors affecting the choice of mining methods; Overhand, Underhand and Breast stoping methods; Open stoping; Vertical Crater Retreat method; Sub level stoping; Room and Pillar method.
Shrinkage stoping method; Cut and fill stoping method, Introduction to Square set stoping method, Sub Level caving, Block caving, &Top slicing method.
Pillars; Back f ill, Cable bolting, Steel Rock bolts, Grouting, Shotcreting etc., code of timbering rules.
After completion of the course student will be able to:
This subject is on page 26, 27 of the original AKTU PDF.