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Showing: 1 to 10 of 82 matches for "failing tunnels"  Page   1   2   3   4   5   6   7   8   9 TITLE Distributed antenna system as an underground communication backbone  SUMMARY ... Data communication was provided in 3700 linear metres of tunnels to monitor and ... has to be supported by local skills and vendors, failing which maintainability ... AUTHOR Stadler, S. R. PUBLISHED 2001 TITLE Rock Load Estimation For Tunnels In Squeezing Ground Conditions  SUMMARY ... ROCK LOAD ESTIMATION FOR TUNNELS IN SQUEEZING GROUND CONDITIONS ... Khodri and the Loktak tunnels because these worked out to be less than the squeezing pressures. ... AUTHOR Jethwa, J. L. ; Dube, A. K. ; Singh, B. ; Singh, Bhawani PUBLISHED 1981 TITLE Integrated Mixed Face Mining And Support Systems Washington Metropolitan Area Transit Authority Contract No. 1K0011  SUMMARY ... in tunnels mined with tunnel boring machine. ... location it became apparent that the pillar between the TBM mined tubes was failing in that stress cracks were ... AUTHOR Garbesi, Vinton A. PUBLISHED 1979 TITLE New Insitu Instrumentation Technique For Tunneling & Mining Design: Field Examples  SUMMARY ... erent types of grounds; quickly stabilizing,slowly stabilizing,and failing. ... Roof failure in the tunnels can nowbe predictedby routine use of the MC-200. ... AUTHOR Serata, Shosei ; Iwasaki, Yoshinori ; Mochida, Yutaka PUBLISHED 1976 TITLE Lake Ft. Smith Microtunneling Lake Tap  SUMMARY ... In general, the two side-by-side intake tunnels were constructed in a 7 m ... are risky because there is always the possibility of the plug failing prematurely or ... AUTHOR Guardia, Roberto J. ; Winkler, Klaus ; Rasmussen, Peter ; Lewtas, Ted PUBLISHED 2005 TITLE The Development And Use Of Precast Concrete Tunnel Linings  SUMMARY ... ago, most miners preferred timber to steel because it gave warning before failing. ... After this time virtually all significant tunnels in soft ground in England ... AUTHOR McCusker, Terence G. PUBLISHED 1989 TITLE Practical Ground Control As It Relates to Productivity, Safety, and Costs  SUMMARY ... 3. Data must be analyzed. This is an area of great failing. ... 6 STABILITY IN UNDERGROUND MINING The first roof bolts were used in hard rock mines and tunnels. ... AUTHOR Scott, J. J., Dr. PUBLISHED 1983 TITLE The Mechanical Boring Of Rock – Yesterday And Tomorrow  SUMMARY ... To date the only cutting tool for rock tunnels that that has shown any ... the face at an angle they employed the "undercutting" principal to failing rock in ... AUTHOR Handewith, H. J. PUBLISHED 2001 TITLE Geotechnical Aspects Of The Mt. Baker Ridge Tunnel Design  SUMMARY ... tunnels located a clear distance of approximately 21 m (7o ft) south of the future bore, as shown on Figure 3. These two tunnels will be ... 349 existing tunnels. ... AUTHOR Robinson, Robert A. ; Parker, Harvey W. ; Thompson, Steven R. PUBLISHED 1983 TITLE Catastrophic Ground Loss In Soft Ground Tunnels  SUMMARY ... CATASTROPHIC GROUND LOSS IN SOFT GROUND TUNNELS by Ronald E. Heuer ... The significance of surface settlement over soft ground tunnels is well recognized. ... AUTHOR Heuer, Ronald E. PUBLISHED 1976 Showing: 1 to 10 of 82 matches for "failing tunnels"  Page   1   2   3   4   5   6   7   8   9 Search Again