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Keywords: bedrock
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Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-078
... damaged by plastic pressure. Most of the cases are the former. geology practice iop publishing iop conf rock engineering roadbed deterioration invert geological subdiscipline tunnel bedrock theory rock type countermeasure construction mpa tuff breccia geologist reservoir...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-014
..., decreasing the hydraulic aperture and changing the flow paths. The presented method can be used in the contactless estimation of fluid flow properties of rock joints. Introduction The flow of ground water in fractured bedrock is an essential problem when considering the usage of rock mass as a barrier...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-002
.... Reservoir Characterization transportation drift bedrock excavation construction braunschweig metals & mining planning approval decision lining repository observation method stress Redistribution operation phase numerical calculation bedrock load bearing behavior incompetent rock mass...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-089
... with a technique that exploited the possibility to know the position of bedrock. Through a number of boreholes and some nearby outcrops, it was known that beneath the colluvium there was limestone bedrock. However, the topography of that bedrock was unknown. The limestones in this area are well karstified...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2013, October 23–26, 2013
Paper Number: ISRM-EUROCK-2013-044
... Abstract Beachrock, a type of sedimentary bedrock composed of beach deposits, is expected to restrain coastal erosion by preventing the outflow of sand. To artificially create beachrocks, we need data on the chemical and physical properties of this rock. In this study, we conducted a Direct...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2009, October 29–31, 2009
Paper Number: ISRM-EUROCK-2009-015
... Abstract In-situ investigations were carried out for large power house caverns of the future pump storage power station Linth–Limmern, Canton Glarus, Switzerland. To investigate the bedrock at the cavern locations 10 horizontal to upward vertical inclined 50—130 m deep boreholes were drilled...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2009, October 29–31, 2009
Paper Number: ISRM-EUROCK-2009-124
... is at the altitude of around 80 m above the sea. According to the mapping, the deposits were divided into the cover and the bedrock. Engineer- ing geological mapping enabled the division of the bedrock into three engineering geological units with different properties. These are foraminiferous lime- stones...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2009, October 29–31, 2009
Paper Number: ISRM-EUROCK-2009-134
... Reservoir Characterization reinforcement design mapping failure plane geologic modeling rail transportation rock bolt Stockholm planar failure geological modeling ground transportation high speed rail line bedrock rock mass sheet pile wall Fault Zone tunnel passenger...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2009, October 29–31, 2009
Paper Number: ISRM-EUROCK-2009-060
... structural geology borehole arrival time attenuation alignment Borehole radar survey wave trace Upstream Oil & Gas bedrock Probe gautrain borehole radar cavity discontinuity assessment Reservoir Characterization survey borehole dolomite cavity void resistivity reflector...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2009, October 29–31, 2009
Paper Number: ISRM-EUROCK-2009-135
... Reservoir Characterization headloss grout work recorder drilling operation groundwater level Upstream Oil & Gas compaction procedure grout take borehole dolomite grout Proportion bedrock penetration rate alignment dolomitic soil South Africa site trial grout mix grout...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2009, October 29–31, 2009
Paper Number: ISRM-EUROCK-2009-057
... and in some cases chert breccia, remaining in the wad, frequently in discrete bands ranging from several millimetres to a metre thick (Wagner, 1984). The topography of the strong dolomite bedrock, below the weathered material, consists of a succes- sion of rock pinnacles . These pinnacles are gen- erally...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2002, November 25–27, 2002
Paper Number: ISRM-EUROCK-2002-072
... years old. The bedrock is composed almost entirely of subaerial basalt. Most of the basalt succession is made of numerous, extensive but relatively thin basaltic lava lying on top of each other often intercalated by sedimentary layers. The sedimentary rocks of the Tertiary formation are mostly composed...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2002, November 25–27, 2002
Paper Number: ISRM-EUROCK-2002-091
... flow in porous media Rock Structure bedrock jointed rock mass Artificial Intelligence classification Rock mechanics Wittke Upstream Oil & Gas Engineering discontinuity rock mass Reservoir Characterization Fluid Dynamics strength stability fabric rock engineering underground...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 96, September 2–5, 1996
Paper Number: ISRM-EUROCK-1996-052
... Upstream Oil & Gas bedrock maximum horizontal stress Reservoir Characterization Helsinki stress measurement Borre Probe site investigation reservoir geomechanics investigation underground nuclear waste repository mica gneiss hydraulic fracturing gneiss Magnitude finnish power...

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