Underground Mining (Leaving Cert Engineering): Flashcards
📚Flashcards
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13 cards from this deck
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Practise the cards
13 cards from this deck
Underground mining
Underground mining
Extracting ores deep beneath Earth's surface
Mine shaft
Mine shaft
Vertical tunnel accessing underground ore deposits
Tunnels and drifts in underground mining
Tunnels and drifts in underground mining
Horizontal passages from main shaft to reach ore
Continuous mining machines
Continuous mining machines
Equipment with rotating cutting heads for extracting ore
Rotating cutting heads on mining machines
Rotating cutting heads on mining machines
Break away ore & rock with multiple cutting teeth
Vertical shaft mines
Vertical shaft mines
Use straight-down shafts with horizontal levels
Slope mines
Slope mines
Inclined access tunnels following the ore deposit
Drift mines
Drift mines
Horizontal tunnels driven directly into hillsides
Headframes in underground mining
Headframes in underground mining
Surface structures supporting lifting equipment
Levels in underground mines
Levels in underground mines
Horizontal working areas
Crosscuts in underground mines
Crosscuts in underground mines
Connecting tunnels between main passages
Tunnel collapse hazard
Tunnel collapse hazard
Rock falls and structural failures pose constant threats
Gas pocket hazard in underground mining
Gas pocket hazard in underground mining
Dangerous gases accumulating in enclosed spaces