Subsidence Control Measure
nounPronunciation: /səbˈsɪdəns kənˈtroʊl ˈmɛʒər/
Engineering interventions implemented to prevent or mitigate ground collapse and surface deformation resulting from underground voids left by mining activity. These measures may include grouting, pillar reinforcement, or engineered fill placement to stabilize unstable ground conditions.
Plain English
Actions taken to prevent the ground from sinking or collapsing above abandoned mine workings.
Etymology & History
Usage
"The reclamation engineer designed subsidence control measures including grout injection to stabilize the crown pillars in the abandoned limestone mine."
Style guide notes: Specify type of measure (grouting, backfilling) when possible for clarity.
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Related Terms
Frequently Asked Questions
Why are subsidence control measures needed at reclaimed mines?
Underground voids create instability; control measures prevent surface collapse, sinkholes, and infrastructure damage.
What are common subsidence control techniques?
Grouting, pillar backfilling, compacted fill placement, and geotechnical reinforcement stabilize underground voids.
Why Test Candidates on This?
Critical for understanding physical hazards and engineering solutions in mine reclamation projects.
Required skill level: Mid