Coordinated mining technology based on GIS reservoir area model and probability integral method under reservoirs
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View abstract on PubMed
Summary
This summary is machine-generated.This study presents a GIS model and visualization system to optimize underwater coal mining, reducing mining area by 224,762 m² and enhancing safety. The findings offer guidance for safer, more efficient reservoir-area mining operations.
Area Of Science
- Geological Engineering
- Mining Engineering
- Environmental Engineering
Background
- Coal resource exploration under reservoirs poses significant safety and environmental challenges.
- Effective management of underwater mining operations is crucial for resource utilization and risk mitigation.
Purpose Of The Study
- To develop a precise method for calculating underwater mining areas using a GIS reservoir model.
- To establish an optimal mining sequence criterion that minimizes reservoir water coverage and ensures operational safety.
- To provide a dynamic simulation for reservoir water movement and distribution during mining.
Main Methods
- Development of a Geographic Information System (GIS) reservoir area model.
- Implementation of a surface mining subsidence visualization system utilizing the probability integral method.
- Dynamic simulation of reservoir water movement and distribution.
- Application of an optimal criterion for coordinating mining face selection.
Main Results
- Precise calculation of the working face underwater mining area.
- Determination of an optimal working face sequence (S2S9→S2S8→S2N7→S2N6→S2N5→S2N3→N1S5→S2N4→N1S3→S2N2→N1S4) for the Daping coal reservoir.
- Reduction of the total underwater mining area by 224,762.29 m² compared to the current plan.
- Significant reduction in the danger degree of underwater working face recovery and mine water control costs.
Conclusions
- The developed GIS model and simulation system enable safe and reasonable coordination of working faces under reservoirs.
- The proposed method effectively reduces the risk and cost associated with underwater coal mining.
- The research provides valuable theoretical and practical guidance for safe underwater mining in similar geological settings.
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