Search Results - "McBeck, Jessica Ann"
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Real Time 3D Observations of Portland Cement Carbonation at CO2 Storage Conditions
Published in Environmental science & technology (07-07-2020)“…Depleted oil reservoirs are considered a viable solution to the global challenge of CO2 storage. A key concern is whether the wells can be suitably sealed with…”
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2
Predicting the Timing of Catastrophic Failure During Triaxial Compression: Insights from Discrete Element Method Simulations
Published in Pure and applied geophysics (01-10-2022)“…Examining the deformation of rocks during triaxial compression may provide insights into the precursory phase that leads to large earthquakes by revealing the…”
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3
Volumetric and shear processes in crystalline rock approaching faulting
Published in Proceedings of the National Academy of Sciences - PNAS (13-08-2019)“…Understanding the approach to faulting in continental rocks is critical for identifying processes leading to fracturing in geomaterials and the preparation…”
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4
Competition between slow slip and damage on and off faults revealed in 4D synchrotron imaging experiments
Published in Tectonophysics (01-05-2020)“…In the continental crust, faults may accommodate deformation through aseismic creep, slow slip events, or seismic slips that produce dynamic damage, or a…”
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5
Predicting the proximity to macroscopic failure using local strain populations from dynamic in situ X-ray tomography triaxial compression experiments on rocks
Published in Earth and planetary science letters (01-08-2020)“…•Machine learning successfully predicts the proximity to failure from strain fields.•Dilatational strain predicts the proximity to failure better than shear…”
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Volumetric and Shear Strain Localization in Mt. Etna Basalt
Published in Geophysical research letters (16-03-2019)“…To examine the impact of preexisting weaknesses on fracture coalescence during volcanic edifice deformation, we triaxially compressed Mount Etna basalt while…”
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The influence of spatial resolution and noise on fracture network properties calculated from X-ray microtomography data
Published in International journal of rock mechanics and mining sciences (Oxford, England : 1997) (01-11-2021)“…Rock deformation experiments performed at X-ray synchrotrons provide unique insights into the nature of fracture network development. However, these insights…”
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The evolving energy budget of experimental faults within continental crust: Insights from in situ dynamic X-ray microtomography
Published in Journal of structural geology (01-06-2019)“…We investigate the evolving distribution of strain produced by a sliding fault within intact crystalline rock, and the energetics of deformation that occur…”
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Linking macroscopic failure with micromechanical processes in layered rocks: How layer orientation and roughness control macroscopic behavior
Published in Tectonophysics (05-01-2019)“…To constrain the impact of preexisting mechanical weaknesses on strain localization culminating in macroscopic shear failure, we simulate triaxial compression…”
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10
Isolating the Factors That Govern Fracture Development in Rocks Throughout Dynamic In Situ X‐Ray Tomography Experiments
Published in Geophysical research letters (28-10-2019)“…Centuries of work have highlighted the importance of several characteristics on fracture propagation. However, the relative importance of each characteristic…”
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11
Imaging strain localisation in porous andesite using digital volume correlation
Published in Journal of volcanology and geothermal research (15-10-2020)“…Strain localisation structures, such as shear fractures and compaction bands, are of importance due to their influence on permeability and therefore…”
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The mixology of precursory strain partitioning approaching brittle failure in rocks
Published in Geophysical journal international (01-06-2020)“…SUMMARY We examine the strain accumulation and localization process throughout 12 triaxial compression experiments on six rock types deformed in an X-ray…”
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Dynamic In Situ Three-Dimensional Imaging and Digital Volume Correlation Analysis to Quantify Strain Localization and Fracture Coalescence in Sandstone
Published in Pure and applied geophysics (01-03-2019)“…Advances in triaxial compression deformation apparatus design, dynamic X-ray microtomography imaging, data analysis techniques, and digital volume correlation…”
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14
Deformation Precursors to Catastrophic Failure in Rocks
Published in Geophysical research letters (28-12-2020)“…Forecasting the timing of catastrophic failure, such as crustal earthquakes, has been a central concern for centuries. Such forecasting requires identifying…”
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Predicting Fracture Network Development in Crystalline Rocks
Published in Pure and applied geophysics (2022)“…The geometric properties of fractures influence whether they propagate, arrest, or coalesce with other fractures. Thus, quantifying the relationship between…”
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16
Synchrotron 4D X-Ray Imaging Reveals Strain Localization at the Onset of System-Size Failure in Porous Reservoir Rocks
Published in Pure and applied geophysics (2022)“…Understanding the mechanisms of strain localization leading to brittle failure in reservoir rocks can shed light on geomechanical processes such as porosity…”
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Fracture Network Localization Preceding Catastrophic Failure in Triaxial Compression Experiments on Rocks
Published in Frontiers in earth science (Lausanne) (29-11-2021)“…We quantify the spatial distribution of fracture networks throughout six in situ X-ray tomography triaxial compression experiments on crystalline rocks at…”
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Real Time 3D Observations of Portland Cement Carbonation at CO 2 Storage Conditions
Published in Environmental science & technology (07-07-2020)Get full text
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19
Creep Burst Coincident With Faulting in Marble Observed in 4‐D Synchrotron X‐Ray Imaging Triaxial Compression Experiments
Published in Journal of geophysical research. Solid earth (01-09-2020)“…Faults in carbonate rocks show both seismic and aseismic deformation processes, leading to a wide range of slip velocities. We deformed two centimeter‐scale…”
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Deformation evolves from shear to extensile in rocks due to energy optimization
Published in Communications earth & environment (01-12-2023)“…Abstract Determining how fracture network development leads to macroscopic failure in heterogeneous materials may help estimate the timing of failure in rocks…”
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