Coseismic damage generation and pulverization in fault zones: Insights from dynamic Split‐Hopkinson Pressure Bar experiments

FM Aben, ML Doan, JP Gratier… - Fault zone dynamic …, 2017 - Wiley Online Library
Coseismic damage in fault zones contributes to the short‐and long‐term behavior of a fault
and provides a valuable indication of the parameters that control seismic ruptures. This …

Dynamic evolution of off-fault medium during an earthquake: a micromechanics based model

MY Thomas, HS Bhat - Geophysical Journal International, 2018 - academic.oup.com
Geophysical observations show a dramatic drop of seismic wave speeds in the shallow off-
fault medium following earthquake ruptures. Seismic ruptures generate, or reactivate …

Mechanical behavior and permeability evolution of sandstone with confining pressure after dynamic loading

Q Zhu, D Li, W Wang - Geomechanics and geophysics for geo-energy and …, 2021 - Springer
Permeability is a fundamental index that is closely related to rock damage in geotechnical
engineering. In this study, dynamic triaxial compression tests were performed using a …

Influence of hydrothermal alteration on the elastic behaviour and failure of heat-treated andesite from Guadeloupe

A Nicolas, L Lévy, O Sissmann, Z Li… - Geophysical Journal …, 2020 - academic.oup.com
Studies on the mechanical behaviour of rocks, including volcanic rocks, usually seek for
unaltered and simple material: rocks without macroscopic defects. However, volcanic rocks …

Variation of hydraulic properties due to dynamic fracture damage: Implications for fault zones

FM Aben, ML Doan, TM Mitchell - Journal of Geophysical …, 2020 - Wiley Online Library
High strain rate loading causes pervasive dynamic microfracturing in crystalline materials,
with dynamic pulverization being the extreme end‐member. Hydraulic properties …

Micromechanical constitutive model for low-temperature constant strain rate deformation of limestones in the brittle and semi-brittle regime

A Nicolas, J Fortin, Y Guéguen - Geophysical Journal …, 2017 - academic.oup.com
Deformation and failure of rocks are important for a better understanding of many crustal
geological phenomena such as faulting and compaction. In carbonate rocks among others …

A brittle constitutive law for long‐term tectonic modeling based on sub‐critical crack growth

L Petit, JA Olive, A Schubnel… - Geochemistry …, 2024 - Wiley Online Library
Adequate representations of brittle deformation (fracturing and faulting) are essential
ingredients of long‐term tectonic simulations. Such models commonly rely on Mohr …

Physical properties of a thermally cracked andesite and fluid-injection induced rupture at laboratory scale

Z Li - 2019 - theses.hal.science
The physical properties and mechanical behavior of andesite are of interest in the context of
geothermal reservoir, CO2 sequestration and for several natural processes. The effects of …

[PDF][PDF] Damage induced by dynamic earthquake ruptures in crystalline rock: Insights from lower crustal paleo-earthquakes in Lofoten, Norway and pulverized fault …

PF Arnestad - 2020 - duo.uio.no
Earthquakes nucleate and propagate in rocks, and they sometimes leave behind a fossil
record of their effect. Two types of fault zone damage-products, pseudotachylyte and …

Anisotropic rock permeability evolution model based on wing crack propagation after dynamic load testing

D Li, Q Zhu, W Wang - IOP Conference Series: Earth and …, 2020 - iopscience.iop.org
The permeability evolution of rock is essential in geotechnical engineering, which is related
to seepage. A permeability evolution model, which is based on the wing crack propagation …