Coupled HM effects in a crystalline rock mass due to glaciation: indicative results from groundwater flow regimes and stresses from an FEM study

Wallroth, Thomas; Ericsson, Lars O.

doi:10.1007/s10064-008-0123-8

Cited by 17 publications

(17 citation statements)

References 24 publications

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“…Understanding behaviour of such faults is needed for the safety assessment for future nuclear waste repositories (e.g., Vidstrand et al, 2008). The need to find crustal rock regimes that will safely store carbon with a minimum of pre-existing fractures that may potentially leak dangerous gases to the surface (Zang et al, 2009) is also a possible of practical application of GIA faulting relationships.…”

Section: Resultsmentioning

confidence: 99%

Upper mantle dynamics and quaternary climate in cratonic areas (DynaQlim)—Understanding the glacial isostatic adjustment

Poutanen

Ivins

2010

Journal of Geodynamics

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Section: Resultsmentioning

confidence: 99%

Upper mantle dynamics and quaternary climate in cratonic areas (DynaQlim)—Understanding the glacial isostatic adjustment

Poutanen

Ivins

2010

Journal of Geodynamics

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“…Not a purely academic exercise, as glacially induced faults are of utmost importance in the safety assessment for future nuclear waste repositories at northerly latitudes (e.g., Vidstrand et al, 2008).…”

Section: Current Models and Problems To Be Solvedmentioning

confidence: 99%

DynaQlim – Upper Mantle Dynamics and Quaternary Climate in Cratonic Areas

Poutanen

Dransch

Gregersen

et al. 2009

New Frontiers in Integrated Solid Earth Sciences

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The isostatic adjustment of the solid Earth to the glacial loading (GIA, Glacial Isostatic Adjustment) with its temporal signature offers a great opportunity to retrieve information of Earth's upper mantle to the changing mass of glaciers and ice sheets, which in turn is driven by variations in Quaternary climate. DynaQlim (Upper Mantle Dynamics and Quaternary Climate in Cratonic Areas) has its focus to study the relations between upper mantle dynamics, its composition and physical properties, temperature, rheology, and Quaternary climate. Its regional focus lies on the cratonic areas of northern Canada and Scandinavia.Geodetic methods like repeated precise levelling, tide gauges, high-resolution observations of recent movements, gravity change and monitoring of postglacial faults have given information on the GIA process for more than 100 years. They are accompanied by more recent techniques like GPS observations and the GRACE and GOCE satellite missions which provide additional global and regional constraints on the gravity field. Combining geodetic observations with seismological investigations, studies of the postglacial faults and continuum mechanical modelling of GIA, DynaQlim offers new insights into properties of the lithosphere. Another step toward a better understanding of GIA has been the joint inversion of different types of observational data -preferentially connected with geological relative sea-level evidence of the Earth's rebound during the last 10,000 years.Due to the changes in the lithospheric stress state large faults ruptured violently at the end of the last M. Poutanen ( ) Finnish Geodetic Institute, Geodeetinrinne 2, 02430 Masala, Finland e-mail: markku.poutanen@fgi.fi glaciation in large earthquakes, up to the magnitudes M W = 7-8. Whether the rebound stress is still able to trigger a significant fraction of intraplate seismic events in these regions is not completely understood due to the complexity and spatial heterogeneity of the regional stress field. Understanding of this mechanism is of societal importance.Glacial ice sheet dynamics are constrained by the coupled process of the deformation of the viscoelastic solid Earth, the ocean and climate variability. Exactly how the climate and oceans reorganize to sustain growth of ice sheets that ground to continents and shallow continental shelves is poorly understood. Incorporation of nonlinear feedback in modelling both ocean heat transport systems and atmospheric CO 2 is a major challenge. Climate-related loading cycles and episodes are expected to be important, hence also more shortterm features of palaeoclimate should be explicitly treated.

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“…Hydro-mechanical coupling is an important issue in civil and hydraulic engineering, especially in the oil and gas industry, the mining industry, the tunnelling industry and for nuclear waste disposal programs (Mas Ivars, 2006;Nasir, Fall, Nguyen, & Evgin, 2011;Rutqvist & Stephansson, 2003;Vidstrand, Wallroth, & Ericsson, 2008;Yu, Deng, Li, Li, & Xia, 2013). In hydraulic engineering, the hydro-mechanical coupling mechanism is the principal factor contributing to the uplift deformation of dam foundation rock.…”

Section: Introductionmentioning

confidence: 99%

Experimental studies on hydro-mechanical properties of metamorphic rock under hydraulic pressures

Liu

Wang

et al. 2015

European Journal of Environmental and Civil Engineering

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The research on the hydro-mechanical coupling of metamorphic rock is of great importance in rock engineering. The main purpose of this study was to investigate the hydro-mechanical properties of metamorphic rock based on the experimental data from triaxial compression tests. Metamorphic rock samples taken from an underground oil storage facility were tested under different hydraulic pressures using a rock servo-controlled triaxial rheology test system. The results indicated that hydraulic pressure had impact on the strength, deformation and permeability of the metamorphic rock. Based on the test results, the stress-strain behaviour and permeability evolution of the rock samples show three stages. The mechanical properties of the metamorphic rock are presented in detail for the three stages in the whole stressstrain process. The derived mechanical parameters are correlated to the division of the phases. The relationship between hydraulic pressure and axial strain, lateral strain, volumetric strain and permeability are analysed and discussed, especially the influence of hydraulic pressure on various parameters in the hydro-mechanical process. The influence of the hydraulic pressure on the failure mode of the rock under coupled conditions is described.

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Coupled HM effects in a crystalline rock mass due to glaciation: indicative results from groundwater flow regimes and stresses from an FEM study

Cited by 17 publications

References 24 publications

Upper mantle dynamics and quaternary climate in cratonic areas (DynaQlim)—Understanding the glacial isostatic adjustment

Upper mantle dynamics and quaternary climate in cratonic areas (DynaQlim)—Understanding the glacial isostatic adjustment

DynaQlim – Upper Mantle Dynamics and Quaternary Climate in Cratonic Areas

Experimental studies on hydro-mechanical properties of metamorphic rock under hydraulic pressures

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