Underground Coal Mining
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Underground Coal Mining Syllabus — Unit-wise Content
The official GTU curriculum for Underground Coal Mining (subject code 3152206) as prescribed for Mining · Semester 5 divides the course into 5 units, covering 49 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (3152206)Unit 1 Introduction
- Coal formation
- Coal measuring rocks and their characteristics
- Rank of coal
- Characteristics of Indian coal deposits
- Major coal producing areas in India
- Classification of coal seam as per thickness
- Depth and Inclination
- Factors affecting choice of coal mining methods
Unit 2 Coal Mine Development
- Practices of opening up coal deposits in major coalfields
- Design and Development of panel
- Mechanized development layout Transport and Ventilation arrangements to and from the panel
- Classification of mining methods
- Type of machinery
- cycle of operation
Unit 3 Bord and Pillar Method of Working
- Applicable conditions
- Size of Panel
- Barrier and Headings
- Percentage of extraction during development
- Unit operations of winning
- Loading and Haulage
- Methods of pillar extraction
- Problems and Issues in depillaring
- Extraction by caving and Stowing methods
- Possible mechanisation in Bord and Pillar method
- Work arrangement and Calculation of production
- Related mine regulations
Unit 4 Longwall Mining
- Applicable conditions
- Development within the panel in advancing and Retreating system
- Optimum length of faces
- Single and Double unit longwall faces
- Working in dip, Strike and Rise directions
- Cyclic and Non- cyclic operations
- Mechanised cutting and Loading operations
- Application of DERDS
- Armoured Face Conveyor
- Work organisation and Calculation of production
Unit 5 Roof Supports and Stowing Practice
- Timber props and cogs
- friction/hydraulic props and chocks
- other steel supports
- types of roof bolts
- applicability and advantage of roof bolting and cable bolting
- Systematic supporting rules
- Stowing methods
- hand packing (Packwalls)
- Merits and Demerits with applicability
- Collection and Preparation
- Handling and Storage
- Arrangement for stowing on the surface and Underground
- Shrinkage of stowing material and its effect
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