Underground Mine Collapse
nounPronunciation: /ˌʌndərˈɡraʊnd maɪn kəˈlæps/
The sudden or gradual failure and subsidence of underground mine openings, including shafts, tunnels, and chambers, typically occurring after mining operations cease and support structures deteriorate. Collapse hazards pose significant risks to surface structures, infrastructure, and public safety.
Plain English
The sinking and failure of underground mine passages as support structures deteriorate over time after mining stops.
Etymology & History
Usage
"The property appraiser flagged potential underground mine collapse hazards beneath the residential development site."
Style guide notes: Distinguish between 'collapse' (sudden failure) and 'subsidence' (gradual sinking) in technical communications.
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Contrasted with
Related Terms
Frequently Asked Questions
What causes underground mine collapses?
Support pillars deteriorate, water infiltration weakens rock, and ground pressure increases after mining operations and dewatering cease.
How are collapse hazards assessed?
Geotechnical surveys, mine mapping, subsidence monitoring, and pillar stability analysis identify collapse risk areas.
Why Test Candidates on This?
Underground collapse assessment is critical for abandoned mine hazard identification in professional certification programs.
Required skill level: Mid