Procedure Optimization and Support Technology of Tunneling-anchoring-shielding Integration Speedy Drivage for High Stress Coal Roadway

CHEN Yu; ZHANG Yang; GENG Jiye; WANG Fangtian

Safety in Coal Mines > 2019 > 50(7): 120-123.

CHEN Yu, ZHANG Yang, GENG Jiye, WANG Fangtian. Procedure Optimization and Support Technology of Tunneling-anchoring-shielding Integration Speedy Drivage for High Stress Coal Roadway[J]. Safety in Coal Mines, 2019, 50(7): 120-123.

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Procedure Optimization and Support Technology of Tunneling-anchoring-shielding Integration Speedy Drivage for High Stress Coal Roadway

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Published Date: July 19, 2019

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Abstract

Deep roadway is affected by high geo-stress, high temperature and many other factors, which leads to slow tunneling speed, high labor intensity and poor operating environment. With the advantage of tunneling-anchoring-shielding process mechanization and continuous characteristics, the field test was carried out in Chengjiao Coal Mine and the main restraint factors of speedy drivage was analyzed, thence, a series of process optimization schemes were proposed. As a result, the driving speed increased by 31.7%, drivage efficiency and anchoring quality were improved, and work environment and safety were also ameliorated.
- high stress,
- coal roadway,
- tunneling-anchoring-shielding integration,
- speedy drivage,
- roadway support

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References

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Procedure Optimization and Support Technology of Tunneling-anchoring-shielding Integration Speedy Drivage for High Stress Coal Roadway

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