FUNDAMENTALS

• introduction
  • overview
  
  
• basic mining
  process/terminology
  • form of deposit or seam
  • the mining process
  • associated functions
  • different types of coal
  • gas content and type
  
  
• exploration
  • overview
  • list of drillers, drilling equipment suppliers and exploration organizations
  
  
• mine planning
  • planning process
  • common planning problems
  • list of mine planning organisations
  
  
• access to seam from surface
  • overview
  • issues to be considered
  • seam access types
  • excavation methods
  • special issues
  
  
• development
  • overview
  • equipment
  • continuous miners
  
  
• pillar extraction using
  continuous miners
  • overview
  
  
• longwall mining
  • overview
  • advancing and retreating longwalls
  • equipment
  • cutting processes
  • ventilation/gas control
  • stress/strata control
  • installation/relocation
  • common operational problems
  • punch longwall mining
  • shortwall mining
  • alternative shortwall mining method - gretley colliery
  • longwall top coal caving
  
  
• ventilation
  • main fans
  • main airways
  • secondary or panel airways
  • development face ventilation
  • longwall ventilation
  • ventilation planning
  • ventilation equipment suppliers
  • ventilation consultants
  • gas control
  
  
• gas drainage/outbursts
  • overview
  • outburst control
  • drainage methods
  
  
• spontaneous combustion
  • description
  • precautions
  • dealing with an event
  
  
• coal haulage
  • general
  • installations
  • conveyor equipment suppliers
  • face area haulage
  • bulk winding
  
  
• personnel & material transport
  • general
  • personnel transport
  • materials transport
  • transport equipment suppliers
  • specialised vehicles
  • roadway maintenance
  
  
• subsidence
  • overview
  
  
• gas utilisation
  • overview
  
  
• strata control
  • general
  • mine design relating to dimensions and shape
  • mine design relating to mining direction
  • sacrificial support external to strata
  • reusable supports external to strata
  • strata reinforcement
  • retention of failed strata
  • strata support equipment suppliers
  
  
• mine services
  • electric power
  • water
  • compressed air
  • waste water
  • communications
  • communication equipment suppliers
  • monitoring and remote control
  
  

OUTBURST

	longwall mining
		stress/strata control

Stress/Strata Control

Stress and strata control around a longwall can be considered from two aspects:

• Along the longwall face
• In the gate roads and associated roadways