Study on Practice of Rockburst Accident Prevention in Multi-seam Mining Controlled by Large Fault and Hard Roof
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DOI: 10.1007/s10706-020-01473-5
Abstract: Rockburst induced by large fault and hard roof in multi-seam mining is a common problem in underground mining. In this paper, the rule of rockburst is analyzed from three aspects: influence distance of fault structure,… read more here.
Keywords: fault; multi; hard roof; fault hard ... See more keywords
Application and evaluation of ground surface pre-grouting reinforcement for 800-m-deep underground opening through large fault zones
Sign Up to like & getrecommendations! Published in 2017 at "Arabian Journal of Geosciences"
DOI: 10.1007/s12517-017-3052-7
Abstract: Faults are complex geological conditions that are commonly encountered during underground excavation. Many support schemes, such as using a single pilot heading method and 30-m-long borehole pre-grouting, have been implemented during the pilot excavation of… read more here.
Keywords: underground opening; 800 deep; deep underground; pre grouting ... See more keywords