?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fmiis.maths.ox.ac.uk%2Fmiis%2F289%2F&rft.title=Rockbursts+and+mud&rft.creator=Fowkes%2C+N.&rft.creator=Mureithi%2C+E.&rft.subject=Materials&rft.description=It+has+been+observed+that+the+presence+of+water+or+mud+on+the+floor+of+a+mining+tunnel+seems+to+reduce+tunnel+failure+associated+with+remote+seismic+events.+We+examine+two+mechanisms+that+could+explain+this+phenomenon.+The+investigations+suggest+that+lubrication+effects+due+to+the+presence+of+water+within+cracks+could+well+affect+the+occurrence+of+spalling%2C+and+the+results+obtained+suggest+that+coating+the+tunnel+walls+with+moisture+containing+semi-liquid+pastes+may+be+effective+for+tunnel+wall+stabilization.&rft.date=2008&rft.type=Study+Group+Report&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Fmiis.maths.ox.ac.uk%2Fmiis%2F289%2F1%2Fmud.pdf&rft.identifier=++Fowkes%2C+N.+and+Mureithi%2C+E.++(2008)+Rockbursts+and+mud.++%5BStudy+Group+Report%5D+++++