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Showing: 1 to 10 of 376 matches for "tbms"  Page   1   2   3   4   5   6   7   8   9  next TITLE New Test Methodology For Estimating The Abrasiveness Of Soils For TBM Tunneling  SUMMARY ... INTRODUCTION Tunnel excavation using tunnel boring machines (TBMs), has become increas- ingly common in recent years, despite the fact that precise evaluation ... AUTHOR Nilsen, B. ; Dahl, F. ; Holzhauser, J. ; Raleigh, P. PUBLISHED 2007 TITLE TBM System Downtime - Causes, Frequency, And Duration On Six Tunnel Projects  SUMMARY ... ABSTRACT Construction records from six projects which employed full-face TBMs to drive 18 km of tunnel in sedimentary rock have been analyzed. ... nels and TBMs. ... AUTHOR Nelson, Priscilla P. ; O'Rourke, Thomas D. ; Glaser, Steven D. PUBLISHED 1985 TITLE Arrowhead Tunnels: Assessing Groundwater Control Measures in a Fractured Hard Rock Medium  SUMMARY ... Pre- excavation grouting, new TBMs and a bolted, gasketed, pre-cast concrete segment initial lining are employed to control water inflows. ... AUTHOR Shamma, John ; Tempelis, Daniel ; Duke, Steven ; Fordham, Eric ; Freeman, Tom PUBLISHED 2003 TITLE Mine Development With Heavy Roadheaders  SUMMARY ... TBMs , roadheaders, and continuous miners all include some mechan- ism to pick up the cut material at the face and move it to the rear of the unit for transfer ... AUTHOR Pond, Robert A. PUBLISHED 1983 TITLE Two Firsts in Tunneling in Canada  SUMMARY ... to shields, slurry TBMs and roadheaders for short tunnels in unstable ground. ... conventional drill and blast techniques, TBMs and shields is its ... AUTHOR Fulton, Randy ; Schenck, George H. K., Ph.D., ; Puszkiewicz, Ignacy PUBLISHED 1993 TITLE Hard rock tunnel boring, cutting, drilling and blasting: rock parameters for excavatability  SUMMARY ... This paper explores possibilities to quantify key parameters for rock mass excavatability in drilling, blasting and cutting by TBMs and roadheaders. ... AUTHOR Thuro, K. ; Plinninger, R. J. PUBLISHED 2003 TITLE Mechanical Hard Rock Mining: Present And Future  SUMMARY ... So TBMs are the obvious candidate for use in mine deve10- ... TBMs are large, heavy pieces of equipment designed primarily to excavate long, straight tunnels. ... AUTHOR Ozdemir, Levent PUBLISHED 1998 TITLE High Quality Performance of Segmental Lined Tunnels  SUMMARY ... P Sterly 1 ABSTRACT Tunnels are being built around the world using TBMs and prefabricated segments or in situ concrete as linings. ... PUBLISHED 1999 TITLE Single-Shell Tunnel Lining with Reinforced Concrete Rings: Critical Loads and Damage Prevention  SUMMARY ... ABSTRACT Modern shield TBMs allow tunnel drives through almost any type of ground.Thanks to high elaborated technical measures, significant subsidence of the ... AUTHOR Grübl, Fritz PUBLISHED 2001 TITLE Heat Generation and Climatic Control in the Operation of Tunnel Boring Machines  SUMMARY ... The related tunnelling project has involved a num- ber of drives using tunnel boring machines [TBMs] to excavate about 100 km of 5 m diameter water tunnels ... AUTHOR von Glehn, F. H. ; Bluhm, S. J. PUBLISHED 1997 Showing: 1 to 10 of 376 matches for "tbms"  Page   1   2   3   4   5   6   7   8   9  next Search Again