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
The significance of hydraulic jacking for grout consumption during high pressure pre-grouting in Norwegian tunnelling
Sign Up to like & getrecommendations! Published in 2019 at "Tunnelling and Underground Space Technology"
DOI: 10.1016/j.tust.2019.05.014
Abstract: Abstract Pre-grouting is a common measure for reducing water ingress into tunnels. This study has investigated parameters which are expected to have an impact on grout consumption during high pressure pre-grouting of rock mass in… read more here.
Keywords: hydraulic jacking; grout; grout consumption; pre grouting ... See more keywords