The mechanical behaviour and failure modes of volcanic rocks: a review

MJ Heap, MES Violay - Bulletin of Volcanology, 2021 - Springer
The microstructure and mineralogy of volcanic rocks is varied and complex, and their
mechanical behaviour is similarly varied and complex. This review summarises recent …

An experimental investigation on thermal damage and failure mechanical behavior of granite after exposure to different high temperature treatments

SQ Yang, PG Ranjith, HW **g, WL Tian, Y Ju - Geothermics, 2017 - Elsevier
A detailed understanding of the thermal damage and failure mechanical behavior of granite
at elevated temperatures is a key concern in nuclear waste disposal engineering …

Forecasting catastrophic rupture in brittle rocks using precursory AE time series

JZ Zhang, XP Zhou - Journal of Geophysical Research: Solid …, 2020 - Wiley Online Library
An evidently precursory acoustic emission (AE) time series, characterized by a time‐
reversed Omori law, is registered prior to the unconfined catastrophic rupture of brittle …

Strain localization in magmas

Y Lavallée, JE Kendrick - Reviews in Mineralogy and …, 2022 - pubs.geoscienceworld.org
One of the most intriguing and (from the point of view of modeling) poorly understood
aspects of geomaterial mechanics is strain localization. Strain localization is a common …

Experimental investigation on the strength, deformability, failure behavior and acoustic emission locations of red sandstone under triaxial compression

SQ Yang, HW **g, SY Wang - Rock mechanics and rock engineering, 2012 - Springer
Conventional triaxial compression and “reducing confining pressure” experiments were
carried out for red sandstone by an MTS815 Flex Test GT rock mechanics experimental …

Time-dependent cracking and brittle creep in macrofractured sandstone

Y Xue, T Xu, MJ Heap, PG Meredith, TM Mitchell… - International Journal of …, 2023 - Elsevier
Time-dependent cracking and brittle creep of rock is fundamental to understanding the long-
term evolution and dynamic failure in underground rock engineering. In the present paper …

The modeling of time-dependent deformation and fracturing of brittle rocks under varying confining and pore pressures

T Xu, G Zhou, MJ Heap, S Yang, H Konietzky… - Rock Mechanics and …, 2018 - Springer
A numerical hydro-mechanical model for brittle creep is proposed to describe the time-
dependent deformation of heterogeneous brittle rock under constant confining and pore …

[HTML][HTML] Acoustic emission and 4D X-ray micro-tomography for monitoring crack propagation in rocks

D Kytýř, P Koudelka, D Drozdenko, M Vavro… - International Journal of …, 2024 - Elsevier
Acoustic emission (AE) and 4D X-ray computed tomography (4D XCT) were used
simultaneously to study crack initiation and propagation in two different types of quartz-rich …

Modelling the time-dependent rheological behaviour of heterogeneous brittle rocks

T Xu, C Tang, J Zhao, L Li… - Geophysical Journal …, 2012 - academic.oup.com
A 2-D numerical model for brittle creep and stress relaxation is proposed for the time-
dependent brittle deformation of heterogeneous brittle rock under uniaxial loading …

Study on long-term uniaxial compression creep mechanical behavior of rocksalt-mudstone combined body

C Lyu, J Liu, Y Ren, C Liang… - International Journal of …, 2022 - journals.sagepub.com
Rocksalt and mudstone are usually under common stress in salt storage caverns, resulting
in different mechanical properties from pure rocksalt and mudstone. To accurately obtain the …