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Showing: 1 to 10 of 17600 matches for "Q system"  Page   1   2   3   4   5   6   7   8   9  next TITLE An engineering classification for rocks and rock masses  SUMMARY ... 3 and Q-system 4 have been developed basically for the stability of tunnels and choice of their support system. In RMR classification ... AUTHOR Ramamurthy, T. PUBLISHED 2003 TITLE Behaviour of large-span rock tunnels and caverns under favourable horizontal stress conditions  SUMMARY ... stress. Rock reinforcement design was based on the Q-system combined with numerical modelling for special design cases. Tunnel design ... AUTHOR Zhou, Y. ; Zhao, J. ; Cai, J. G. ; Zhang, X. H. PUBLISHED 2003 TITLE The Study of Rational Capacity of Surge Bunker in Mine Haulage System  SUMMARY ... The output of complex system is as follows: Q' = qp where: Q' is system output, tlh, q system capacity in average, tlh, p system reliability. ... AUTHOR Xifu, Wang ; Youdi, Zhang ; Daxian, Zhang PUBLISHED 1996 TITLE 3-D Modeling of rock mass quality  SUMMARY ... The rock mechanical classification using Q-system is made from selected drifts. Major faults (type, dip and dip direction) are recorded. ... AUTHOR Syrjänen, P. ; Lovén. P. PUBLISHED 2003 TITLE Design of lining system for a pressure tunnel on the base of interaction between rock and lining  SUMMARY ... wire mesh. Q system Equivalent dimension of waterway tunnel is as follows: ) ( 63 .7 6. 1 2. 12 m ESR Span D e = = = According to ... AUTHOR Kazemi, A. ; Ahmadi, M. A. PUBLISHED 2003 TITLE Using an intelligent supervisory system to simulate automatic operation in a crushing plant  SUMMARY ... INPwrs II a SENSDRY SYSTEM o ItWOIWATItlN STORAGE Q OUTPUT AcTnlNs IluTPurs power_reference, power) Fig, 5- Simplified human operator model. ... AUTHOR Fahrenkrog, E. ; Cifuentes, E. N. ; Sbartaro, D. PUBLISHED 1989 TITLE Comparison of different systems for rock mass characterisation and lessons from the Äspö Test Case, Sweden  SUMMARY ... 1 MPa (depth around 50 m). In the Q-system, the SRF factor is designed for making the rock mass quality to increase stepwise by increasing depth and/or stress. ... AUTHOR Lanaro, F. ; Röshoff, K. ; Jing, L. ; Christiansson, R. PUBLISHED 2003 TITLE SRC rock mass classification applied to tunnels under high tectonic stress  SUMMARY ... actually installed. The Q system was occasional applied and only partial results were obtained for this index. This analysis was ... AUTHOR Gonzalez de Vallejo, L. I. PUBLISHED 2003 TITLE Modelling Effects of Accidental Explosions in Rock Tunnels  SUMMARY ... Project in Stockholm 6 , with rock mass quality in terms of the Q-index (Barton et al. 7 ) in the range 4 to 10 (ie, fair). The rock support system used was ... AUTHOR Rosengren, L. ; Brandshaug, T. ; Andersson, P. ; Lundman, P. PUBLISHED 2003 TITLE Issues In Rock Mechanics: A Personal View  SUMMARY ... to include the estimate of rock mass defor- mability ( ieniawski, 1979b) and shear strength ( oe kand Brown, 1980)- Another example is the Q-system proposed by ... AUTHOR Ladanyi, Branko PUBLISHED 1982 Showing: 1 to 10 of 17600 matches for "Q system"  Page   1   2   3   4   5   6   7   8   9  next Search Again