Search Results - "Giger, Silvio B."

Permeability evolution in quartz fault gouges under hydrothermal conditions by Giger, Silvio B., Tenthorey, Eric, Cox, Stephen F., Fitz Gerald, John D.

“…The permeability (k) of fine‐grained quartz aggregates were measured in situ during hot pressing (HPing) experiments to explore the evolution of fluid…”
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Effect of the mineralogical composition on the elastoplastic hydromechanical response of Opalinus Clay shale by Crisci, Eleonora, Ferrari, Alessio, Giger, Silvio B., Laloui, Lyesse

“…Opalinus Clay is the shale currently under investigation as the host formation for geological radioactive waste disposal in Switzerland. Its hydromechanical…”
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In-situ Shear Modulus Determination by Pressuremeter Tests in Opalinus Clay and Reconciliation with Laboratory Tests by Liu, Lang, Giger, Silvio B., Martin, Derek, Chalaturnyk, Rick, Schuster, Kristof, Deisman, Nathan, Keller, Lukas

“…Opalinus Clay is the designated host rock for a deep geological repository of radioactive waste in Switzerland. The determination of its geo-mechanical…”
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Three-dimensional structure of experimentally produced clay smears; implications for fault seal analysis by Ciftci, N. Bozkurt, Giger, Silvio B, Clennell, Michael B

“…The geometries of clay smears produced in a series of direct shear experiments on composite blocks containing a clay-rich seal layer sandwiched between…”
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Slip localization and fault weakening as a consequence of fault gouge strengthening — Insights from laboratory experiments by Giger, Silvio B., Cox, Stephen F., Tenthorey, Eric

“…A laboratory study of simulated quartz gouges was conducted to investigate how solution transfer processes influence the mechanical behaviour of fault wear…”
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Fault transmissibility in clastic-argillaceous sequences controlled by clay smear evolution by Giger, Silvio B, Clennell, Michael B, Ciftci, N. Bozkurt, Harbers, Craig, Clark, Peter, Ricchetti, Mark

“…The continuity of clay smears evolving in sealed direct shear experiments of initially intact sandstone-mudrock sequences was quantified to large displacements…”
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Hydro-mechanical response of Opalinus Clay during excavation works - a synopsis from the Mont Terri URL by Giger, Silvio B., Marschall, Paul, Lanyon, Bill, Martin, C. Derek

“…Indurated clay formations are under consideration as potential host rock formations for the disposal of radioactive waste in several countries. The favourable…”
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Hydro-mechanical behaviour of shallow Opalinus Clay shale by Crisci, Eleonora, Ferrari, Alessio, Giger, Silvio B., Laloui, Lyesse

“…In Switzerland, Opalinus Clay shale has been selected as the host formation for radioactive waste disposal. The minimum required depth of the repository is…”
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Evolution of water content and suction of Opalinus Clay from recovery at the drilling site to handling in the laboratory by Tuttolomondo, Angelica, Ferrari, Alessio, Giger, Silvio B., Laloui, Lyesse

“…Advanced geotechnical engineering applications, such as shale gas extraction, CO2 geological sequestration, and geological radioactive waste storage, often…”
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Assessment of Anisotropic Elastic Parameters Using Laboratory Triaxial and In-Situ Pressuremeter Tests in Opalinus Clay by Liu, Lang, Martin, Derek, Giger, Silvio B., Chalaturnyk, Rick

“…Opalinus Clay is a stratified shale that exhibits anisotropic deformation properties. In this work, the transversely isotropic deformation parameters of…”
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Petrophysical Properties of Opalinus Clay Drill Cores Determined from Med-XCT Images by Keller, Lukas M., Giger, Silvio B.

“…The determination of petrophysical properties such as density, porosity and mineralogical composition of the rock are key objectives in cored sections of…”
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Consolidated-undrained triaxial testing of Opalinus Clay: Results and method validation by Giger, Silvio B., Ewy, Russell T., Favero, Valentina, Stankovic, Rudy, Keller, Lukas M.

“…Specific equipment and procedures developed for geomechanical testing of hydrocarbon caprocks were adopted to conduct truly undrained triaxial tests with…”
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Benchmark study of undrained triaxial testing of Opalinus Clay shale: Results and implications for robust testing by Minardi, Alberto, Giger, Silvio B., Ewy, Russell T., Stankovic, Rudy, Stenebråten, Jørn, Soldal, Magnus, Rosone, Marco, Ferrari, Alessio, Laloui, Lyesse

“…Triaxial testing of argillaceous rocks and shales is significantly more challenging than conventional rock mechanical testing. The challenges are mainly…”
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Design, operation and validation of a new fluid-sealed direct shear apparatus capable of monitoring fault-related fluid flow to large displacements by Giger, S.B., Clennell, M.B., Harbers, C., Clark, P., Ricchetti, M., Ter Heege, J.H., Wassing, B.B.T., Orlic, B.

“…A new type of direct shear apparatus has been developed to allow for deformation of large and intact rock samples under fluid-sealed conditions. The sealed…”
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