... the preservation of the historic heritage site. The slope stability and engineering geological condition of the cave area including geological setting, seepage and fractures is discussed. The various measures like epoxy resin/chemical based shotcreting and grouting, rock/anchor bolting, and wire meshing etc...

... with two underground stations (Odenplan and City), service tunnel and exits to ground surface and existing subway tunnels. The main portion of the tunnel is planned to be constructed in crystalline bedrock using drill and blast methods, with conventional support elements in the form of shotcrete and rock...

... displacement shotcrete utilization loading Upstream Oil & Gas shotcrete lining tunnel shotcrete stress distribution strength measurement Point boundary shotcrete shell deformation force equilibrium calculation lining monitoring point tangential displacement University...

.... drilling operation temporary support rail transportation lattice girder extensive drilling investigation gneiss unpredictable station cavern collapse footing bit selection Upstream Oil & Gas borehole saprolite ground transportation construction elevation geologist cavern shotcrete...