stress and texture investigations by means of neutron diffraction
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Stress and Texture Investigations by Means of Neutron Diffraction. Opening Remarks Ove Stephansson Seismic Hazard and Stress Field GFZ German Research Centre for Geosciences Potsdam. Characterization of an Area, Site for a Rock Engineering Project. - PowerPoint PPT PresentationTRANSCRIPT
Stress and Texture Investigations by Means of Neutron Diffraction
Opening Remarks
Ove StephanssonSeismic Hazard and Stress Field
GFZ German Research Centre for GeosciencesPotsdam
Characterization of an Area, Site for a Rock Engineering Project
Produce a 3-D model of the site and target area• Topography• Soil cover• Rock mass lithology• Structural geology• Hydrogeology• Geochemistry• Thermal properties• Rock mechanics • Rock stress
Methodology forDevelopment of theFinal Rock Stress Model – FRSM of a Site and an Area
After Zang & Stephansson 2010
World Stress Map of Europe, Edition 2008
http://dc-app3-14.gfz-potsdam.de/
After World Stress Map (2008)
Stress Decoupling in Eastern Part of North German Basin
After Zang & Stephansson 2010
Methodology forDevelopment of theFinal Rock Stress Model – FRSM of a Site and an Area
After Zang & Stephansson 2010
Hydraulic fracturing equipmentof type Mesey
Courtesy by F Rummel
Numerical stress modelling with distinct element code 3DEC for deep geological disposal of spent nuclear fuel at Forsmark, Sweden
Angle-dispersive Neutron Diffraction
Problems in Rock Stress Measurements where Neutron Diffraction can Contribute
• Rock anisotropy• Heterogeneity• Discontinuities e.g. microcracks• Residual stresses• Paleostresses• Kaiser effect• Volume effects• Influence of fluids
The ConferenceStress and Texture Investigations by
Means of Neutron Diffraction, STI2011
Organized by GFZ, Potsdam and JINR
Is open
Welcome