Search Results - "Roberto E Rizzo"
-
1
Seismic events miss important kinematically governed grain scale mechanisms during shear failure of porous rock
Published in Nature communications (18-10-2022)“…Catastrophic failure in brittle, porous materials initiates when smaller-scale fractures localise along an emergent fault zone in a transition from stable…”
Get full text
Journal Article -
2
Heitt Mjölnir: a heated miniature triaxial apparatus for 4D synchrotron microtomography
Published in Journal of synchrotron radiation (01-01-2024)“…Third‐ and fourth‐generation synchrotron light sources with high fluxes and beam energies enable the use of innovative X‐ray translucent experimental…”
Get full text
Journal Article -
3
FracPaQ: A MATLAB™ toolbox for the quantification of fracture patterns
Published in Journal of structural geology (01-02-2017)“…The patterns of fractures in deformed rocks are rarely uniform or random. Fracture orientations, sizes, and spatial distributions often exhibit some kind of…”
Get full text
Journal Article -
4
Detecting the Onset of Strain Localization Using Two‐Dimensional Wavelet Analysis on Sandstone Deformed at Different Effective Pressures
Published in Journal of geophysical research. Solid earth (01-12-2018)“…Laboratory brittle deformation experiments have shown that a rapid transition exists in the behavior of porous materials under stress: At a certain point,…”
Get full text
Journal Article -
5
Riding the Right Wavelet: Quantifying Scale Transitions in Fractured Rocks
Published in Geophysical research letters (16-12-2017)“…The mechanics of brittle failure is a well‐described multiscale process that involves a rapid transition from distributed microcracks to localization along a…”
Get full text
Journal Article -
6
Field evidence for the lateral emplacement of igneous dykes: Implications for 3D mechanical models and the plumbing beneath fissure eruptions
Published in Volcanica (22-08-2018)“…Seismological and geodetic data from modern volcanic systems strongly suggest that magma is transported significant distance (tens of kilometres) in the…”
Get full text
Journal Article -
7
Benefits of maximum likelihood estimators for fracture attribute analysis: Implications for permeability and up-scaling
Published in Journal of structural geology (01-02-2017)“…The success of any predictive model is largely dependent on the accuracy with which its parameters are known. When characterising fracture networks in rocks,…”
Get full text
Journal Article -
8
Field evidence for the lateral emplacement of igneous dykes
Published in Volcanica (01-08-2018)“…Seismological and geodetic data from modern volcanic systems strongly suggest that magma is transported significant distance (tens of kilometres) in the…”
Get full text
Journal Article -
9
Correlative Optical and X‐Ray Imaging of Strain Evolution During Double‐Torsion Fracture Toughness Measurements in Shale
Published in Journal of geophysical research. Solid earth (01-12-2018)“…Mode‐I Fracture Toughness, KIc, was measured in six shale materials using the double‐torsion technique. During loading, crack propagation was imaged both using…”
Get full text
Journal Article