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Showing: 1 to 10 of 5310 matches for "Q system"  Page   1   2   3   4   5   6   7   8   9  next TITLE Design and Construction of the Weehawken Tunnel and Bergenline Avenue Station  SUMMARY ... Rock dowel patterns were developed based on the Q-System (Bieniawski, 1979) support categories and checked using the rock arch method. ... AUTHOR Ott, Kyle R. ; Jacobs, Leon J. PUBLISHED 2003 TITLE Stability Of Open Stopes Intercepted By Graphitic Shears At Ashanti Gold Fields Company Ltd., Obuasi Operations In Ghana  SUMMARY ... As part of the investigation, laboratory testing of rock was performed and the rock mass was classified according to the Q-System (Barton et al., 1974). ... AUTHOR Adu-Acheampong, A. PUBLISHED 2003 TITLE Are Long TBM Tunnels Faster by TBM?  SUMMARY ... DRILL AND BLAST CYCLE TIMES Typical speeds of drill-and-blast tunneling can be analysed using the Q-system. ... Updating of the Q-system for NMT. ... AUTHOR Barton, Nick PUBLISHED 2001 TITLE Promises And Pitfalls: Taking Stock Of Rock Mass Classifications As Design Aids In Tunneling  SUMMARY ... Q-System have provided many advantages over the classical Terzaghi rock-load method introduced in 1946. These new classifications ... AUTHOR Bieniawski, Z. T. PUBLISHED 1987 TITLE Predicting Ground Conditions and Support Requirements for Atlanta-Area Tunnels Using the RMR System  SUMMARY ... tunnel length. The Q system (Barton, 2000) is another commonly used system for classifying rock for tunneling purposes. Q is based ... AUTHOR Raymer, John H. ; Klecan, Wojciech PUBLISHED 2003 TITLE Design and Construction of the New Tunnel at Genting Sempah, Malaysia  SUMMARY ... Rock Mass Classification The Norwegian Geotechnical Institutes Q-System (Barton et. ... Grimstaad, E. and Barton, N., 1993, Updating the Q-System for NMT. Proc. ... AUTHOR Porter, S. J. ; McRae, M. T. ; Wright, R. PUBLISHED 1997 TITLE Rock Load Estimation For Tunnels In Squeezing Ground Conditions  SUMMARY ... have not been conside- red because these approaches suggest a support system for a ... details required for estimating Barton’s rock mass quality (Q)and the rock ... AUTHOR Jethwa, J. L. ; Dube, A. K. ; Singh, B. ; Singh, Bhawani PUBLISHED 1981 TITLE Soudan 2 Cavern Construction History  SUMMARY ... and up the shaft. Rock Support The rock support system consisted of rockbolts and unreinforced and reinforced shotcrete. All rockbolts ... AUTHOR Nelson, Charles R. ; Petersen, D. Lee ; Nelson, Brent K. PUBLISHED 1987 TITLE Potential Development of the Underground Science City in Rock Caverns at Kent Ridge in Singapore  SUMMARY ... The Q system considers the support required for single tunnels. ... 6(4), 189–239. Grimstad, E. and Barton, N. 1993. Updating the Q-System for NMT. Proc. int. ... AUTHOR Nelson, C. ; Petersen, L. ; Carmody, J. ; Pound, C. ; Zhao, J. ; Cai, J. G. ; Lee, K. W. PUBLISHED 2001 TITLE Construction of a Mixed Face Reach Through Granitic Rocks and Conglomerate  SUMMARY ... Rocks The granitic rocks in this reach were characterized using the Rock Mass Rating (RMR) System developed by Bieniawski (1984); the Q-System developed by ... AUTHOR Krulc, Michael A. ; Murray, John J. ; McRae, Michael T. ; Schuler, Kathy L. PUBLISHED 2007 Showing: 1 to 10 of 5310 matches for "Q system"  Page   1   2   3   4   5   6   7   8   9  next Search Again