Repair and Reinforcement of Mine Railway Roadway
XU Jin-gen
SHAO Ze-qu
LI Qiang
Abstract：After a construction at a 700~820m section of +400m level South Wing Railway roadway in Mine South Ventilation Shaft of Yuwu Coal Industry ,the roof was subsidence ,the two sidewalls were convergent and the floor heave was serious .After the sidewalls expanded and floor excavated in the partial section of the mine roadway ,the deformation of the mine roadway was continuous and was seri‐ously affected to the safety of the underground mine transportation .According to the mine strata pres‐sure behavior features of the mine roadway ,in combination with the expert’s comments from China U‐niversity of Mining and Technology ,a repair and reinforcement was conducted with the grouting ,addi‐tional support of the roof ,floor reinforcement and other measures .After the repair and reinforcement construction conducted ,the mine roadway was stable and the surrounding rock deformation was well controlled with the expected effect.
Keywords：mine railway roadwayrepair and reinforcementfloor heavereverse floor archgrouting
Publication Date：2014-09-18
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 23-25,47 )