Study on Sealing and Utilization Technology of No.6 Water Inrush Point of Ordovician Limestone in Sangshuping Coal Mine: Fid-Bau Portal

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Study on Sealing and Utilization Technology of No.6 Water Inrush Point of Ordovician Limestone in Sangshuping Coal Mine

WU Jie, CHEN Tong

Aiming at the technical problems of controlling No.6 water inflow point of Ordovician limestone in Sangshuping Coal Mine in the past 40 years, through the analysis of hydrogeological survey, the reinforcement and water diversion technology of water retaining wall and surrounding rock loose ring is studied, the treatment scheme and construction measures are optimized, and repeated grouting tests and technical innovations are made on cracks around water retaining wall and pipeline interface. Rock cracks and pipeline leaking water were thoroughly treated, water plugging rate reached 99.1%, energy saving and emission reduction effect is very significant, which effectively improves the mine flood resistance.

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Study on Sealing and Utilization Technology of No.6 Water Inrush Point of Ordovician Limestone in Sangshuping Coal Mine

WU Jie, CHEN Tong

Aiming at the technical problems of controlling No.6 water inflow point of Ordovician limestone in Sangshuping Coal Mine in the past 40 years, through the analysis of hydrogeological survey, the reinforcement and water diversion technology of water retaining wall and surrounding rock loose ring is studied, the treatment scheme and construction measures are optimized, and repeated grouting tests and technical innovations are made on cracks around water retaining wall and pipeline interface. Rock cracks and pipeline leaking water were thoroughly treated, water plugging rate reached 99.1%, energy saving and emission reduction effect is very significant, which effectively improves the mine flood resistance.

Study on Sealing and Utilization Technology of No.6 Water Inrush Point of Ordovician Limestone in Sangshuping Coal Mine

WU Jie, CHEN Tong

Aiming at the technical problems of controlling No.6 water inflow point of Ordovician limestone in Sangshuping Coal Mine in the past 40 years, through the analysis of hydrogeological survey, the reinforcement and water diversion technology of water retaining wall and surrounding rock loose ring is studied, the treatment scheme and construction measures are optimized, and repeated grouting tests and technical innovations are made on cracks around water retaining wall and pipeline interface. Rock cracks and pipeline leaking water were thoroughly treated, water plugging rate reached 99.1%, energy saving and emission reduction effect is very significant, which effectively improves the mine flood resistance.

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Title:

Study on Sealing and Utilization Technology of No.6 Water Inrush Point of Ordovician Limestone in Sangshuping Coal Mine

Contributors:

WU Jie, CHEN Tong (author)

Published in:

Meikuang Anquan, Vol 51, Iss 2, Pp 152-154, 158 (2020)

Publication date:

2020

ISSN:

DOI:

https://doi.org/10.13347/j.cnki.mkaq.2020.02.035

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

Unknown

Keywords:

water treatment , ordovician limestone , surrounding rock loose zone , constant pressure grouting , water inrush point sealing , Mining engineering. Metallurgy , TN1-997

Metadata by DOAJ is licensed under CC BY-SA 1.0

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