The brittle-ductile transition in porous rock: A review

T Wong, P Baud - Journal of Structural Geology, 2012 - Elsevier
Many of the earliest laboratory studies of the brittle-ductile transition were on porous rocks,
with a focus on the evolution of failure mode from brittle faulting to cataclastic flow with …

Macro/meso failure behavior of surrounding rock in deep roadway and its control technology

J Zuo, J Wang, Y Jiang - International Journal of Coal Science & …, 2019 - Springer
Engineering disasters occur frequently and violently with the increase in mining depth,
which is mostly due to insufficient study on the failure mechanism of the deep rock mass. In …

Transformation plasticity and the effect of temperature on the mechanical behaviour of Hawkesbury sandstone at atmospheric pressure

PG Ranjith, DR Viete, BJ Chen, MSA Perera - Engineering Geology, 2012 - Elsevier
Uniaxial Compressive Strength (UCS) testing of Hawkesbury sandstone was carried out at
various temperatures between 25 and 950° C to explore the mechanical response of the …

Towards more realistic values of elastic moduli for volcano modelling

MJ Heap, M Villeneuve, F Albino… - Journal of volcanology …, 2020 - Elsevier
The accuracy of elastic analytical solutions and numerical models, widely used in
volcanology to interpret surface ground deformation, depends heavily on the Young's …

Effects of porosity and crack density on the compressive strength of rocks

P Baud, T Wong, W Zhu - International Journal of Rock Mechanics and …, 2014 - Elsevier
We analyzed a compilation of previously published and new data on the uniaxial
compressive strength (UCS) of various rock types using the pore-emanated crack and the …

Micromechanics of cataclastic pore collapse in limestone

W Zhu, P Baud, T Wong - Journal of Geophysical Research …, 2010 - Wiley Online Library
The analysis of compactant failure in carbonate formations hinges upon a fundamental
understanding of the mechanics of inelastic compaction. Microstructural observations …

Effects of pore collapse and grain crushing on ultrasonic velocities and Vp/Vs

J Fortin, Y Guéguen, A Schubnel - Journal of geophysical research, 2007 - hal.science
Compressional, shear wave velocities and their ratio, V p/V s, were measured along with
porosity variations during wet and dry hydrostatic compaction of Bleurswiller sandstone, a …

Shear‐enhanced compaction and strain localization: Inelastic deformation and constitutive modeling of four porous sandstones

P Baud, V Vajdova, T Wong - Journal of Geophysical Research …, 2006 - Wiley Online Library
We studied the mechanics of compactant failure in four sandstones associated with a broad
range of failure modes in the brittle‐ductile transition. While Berea and Bentheim …

Brittle and semi-brittle behaviours of a carbonate rock: influence of water and temperature

A Nicolas, J Fortin, JB Regnet… - Geophysical Journal …, 2016 - academic.oup.com
Inelastic deformation can either occur with dilatancy or compaction, implying differences in
porosity changes, failure and petrophysical properties. In this study, the roles of water as a …

Post-yield strength and dilatancy evolution across the brittle–ductile transition in Indiana limestone

G Walton, A Hedayat, E Kim, D Labrie - Rock Mechanics and Rock …, 2017 - Springer
An extensive uniaxial and triaxial compression testing programme was performed on
Indiana Limestone to assess its behaviour across the brittle–ductile transition. Particular …