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Keywords: shotcrete
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Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-284
... a soil nailed wall (also named combined shotcrete-anchorage-netting reinforcement technique in local area) is the slope retaining technique that the soil nail is the main force structure and is installed across the potential failure surface. It consists of in-situ stabilized soil body, a shotcrete...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-540
... fast raveling / flowing ground impelled by large volumes of ground water. drilling operation geological hazard shotcrete adverse geology TBM argillite Pinglin tunnel sandstone intercalated Reservoir Characterization Taiwan pilot tunnel overcome difficult ground tunnel main tunnel...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-566
... deals with some sections of the Rattanpur and Manglad headings in Lot 2. STABILITY PROBLEMS OF THE UNDERGROUND WORKS Due to the inhomogenous rock mass conditions, the tunnel was excavated by drill and blast techniques. The support consisted partly of wire meshing, shotcrete, steel ribs and rock bolts...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-621
... construction in Korea. In this study, ground inspection, geological investigation, laboratory test and numerical analysis by means of finite difference method were carried out. The tunnel excavation was stopped because of over excessive brake of tunnel crown and shotcrete was installed to prevent deformation...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-611
..., steel ribs and shotcrete, but also some newly developed support methods such as yielding bolts, bearing type bolts, adjustable ribs and slot shotcrete. The results of the numerical analysis indicate that step excavation, among which the inner pilot tunnel method might be a better way for tunnel...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 10–12, 1990
Paper Number: ISRM-IS-1990-032
... Upstream Oil & Gas Siltstone rehabilitation Reservoir Characterization clay schist knowledge management strength steel rib rockbolt highway tunnel structural geology primary support lining construction settlement case study serpentinite region II shotcrete flysch tunnel...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 12–16, 1988
Paper Number: ISRM-IS-1988-049
... classification Occurence MPa stress concentration metals & mining support design shotcrete excavation structural geology rock-bursting zone geostress geostressed area Reservoir Characterization major principal geostress tunnel hydro station Engineering principal geostress...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 12–16, 1988
Paper Number: ISRM-IS-1988-027
... power plant main cavern calculation Reservoir Characterization stability side wall cavern failure mode ground stress displacement rock bolt shotcrete shotcrete rock mass underground power plant Artificial Intelligence strength shotcrete layer plane sequence Excavation Sequence...
Proceedings Papers

Paper presented at the ISRM International Symposium, May 26–28, 1982
Paper Number: ISRM-IS-1982-037
... its percentage on the order of 6%. Upstream Oil & Gas displacement strand power plant cavern reservoir geomechanics cavern stability calculation stability sandstone vault shotcrete Reservoir Characterization strength measuring point bedrock siliceous sandstone cross...
Proceedings Papers

Paper presented at the ISRM International Symposium, May 26–28, 1982
Paper Number: ISRM-IS-1982-010
... @ Supporting method 1 Bolts and shotcrete I 2 Steel support @ Excevetion technique 1 Blasting 12 Mechanical, T.B.M. I 3 Hand breaker @ Quantity of kg/m1exotcstve @ Excavation method 1 Full face 12 Heading 1 3 Two step bench 4 Three step bench 5 Central drift 3~ Advance ml@ Excavating cycle 1 times 6 Side-drift...
Proceedings Papers

Paper presented at the ISRM International Symposium, May 26–28, 1982
Paper Number: ISRM-IS-1982-054
... Reservoir Characterization Thickness shotcrete underground feature extensometer penstock MPa excavation shaft Upstream Oil & Gas rock face lining bifurcation reservoir geomechanics tunnel construction cartridge Power Tunnel concrete lining steel liner rock mass...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-138
... metals & mining strength Rock Strata stone masonry structural geology steel rib shotcrete dynamic loading deterioration reservoir geomechanics displacement convergence roadway Clay Rock Reservoir Characterization strata deformation Upstream Oil & Gas weak rock lining...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-154
... relation peripheral behavior property matter value Upstream Oil & Gas kg em steel rib rock bolt soft rock Reservoir Characterization Rock Deformation mechanical model shotcrete tunnel analytical model structural geology natural rock axial force Advancement nonlinear...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-159
... strength rockbolt upper half support displacement side pilot tunnel excavation spring-line side shotcrete seikan undersea tunnel tunnel earth pressure geology side gallery deformation undersea tunnel construction settlement SUMMARY OF THE SEIKAN TUNNEL (Figure in full...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-156
... ground transportation tunnel entrance characteristic rail transportation variation bedrock displacement lower half application internal displacement rock debris entrance tunnel excavation means NATM method tunnel excavation construction shotcrete upper half Drilling...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-162
... Upstream Oil & Gas Thickness consolidated clay stability problem montmorillonite major part geometry shear strength relation Stockholm span mineral drilling fluids and materials strength brekke tunnel shotcrete strengthening Laboratory Method clay material expansion...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-152
... changed to the NATM from the location 35k380m. The driving rate per round was 1.0m, and the standard support pattern consisted of shotcrete of 20cm Reservoir Characterization loosening zone Upstream Oil & Gas strength structural geology tunnel surface pressure zone enlargement...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 27–29, 1978
Paper Number: ISRM-IS-1978-032
... foundation reservoir geomechanics soil anchor shotcrete Anchor construction stabilization RECENT APPLICATIONS OF PRESTRESSED ROCK & SOIL ANCHORS GEORGE E DREW, Construction Systems, Dept. Manager, VSL Corporation, 236 North Santa Cruz Avenue, Los Gatos, California 95030 USA ABSTRACT The developing...

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