An Improved 3D Finite Difference Model for Simulation of Double Shield TBM Tunnelling in Heavily Jointed Rock Masses: the DXL Tunnel Case
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DOI: 10.1007/s00603-018-1730-8
Abstract: List of symbols Ff Thrust force to overcome friction (MN) Fn Cutterhead thrust force (MN) Fr Required thrust force (MN) R Tunnel radius (m) H Major horizontal principal stress (MPa) h Minor horizontal principal stress… read more here.
Keywords: mpa component; stress mpa; stress; normal stress ... See more keywords