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 …

Failure behavior and energy evolution characteristics of deep roadway sandstone under different microwave irradiation modes

M Tang, M Gao, S Li, B Yang, R Tang, F Li… - Journal of Central South …, 2023 - Springer
Efficient breaking of hard rock and prevention and control of rock burst disasters are two key
concerns for construction in deep areas with high in-situ stresses and are two of the most …

[HTML][HTML] Modelling of the elastoplastic behaviour of the bio-cemented soils using an extended Modified Cam Clay model

X Wang, CB Silbermann, T Nagel… - Journal of Rock …, 2024 - Elsevier
An elastoplastic constitutive model based on the Modified Cam Clay (MCC) model is
developed to describe the mechanical behaviour of soils cemented via microbially induced …

Cooling-induced permeability enhancement for networks of microfractures in superhot geothermal environments

R Goto, D Nakayama, R Takahashi, E Pramudyo… - Geothermal …, 2023 - Springer
Recent researches have proposed the use of enhanced geothermal system reservoirs
consisting of dense networks of microfractures, created by hydraulic and/or thermal …

A fully coupled rate-and temperature-dependent viscoplastic damage model for rock-like materials within the consistency framework

J Tao, ZJ Wen, YJ Zuo, C Wang, J Wang… - International Journal of …, 2024 - Elsevier
Civil structures in the deep lithosphere are frequently exposed to thermal environments
resulting from geothermal gradients and dynamic disturbances caused by blasting …

A Constrained Approach by Curie Point Depth Estimation for the 3‐D Inversion of Regional Lithospheric Magnetic Anomaly Data in Spherical Coordinates and Its …

S Sun, J Du, J Zhi, C Chen, H Xu - Journal of Geophysical …, 2022 - Wiley Online Library
Abstract Three‐dimensional (3‐D) inversion of regional lithospheric magnetic anomaly data
not only needs to be performed in the spherical coordinate system but also requires valid …

A laboratory study of hydraulic fracturing at the brittle-ductile transition

F Parisio, K Yoshioka, K Sakaguchi, R Goto, T Miura… - Scientific reports, 2021 - nature.com
Developing high-enthalpy geothermal systems requires a sufficiently permeable formation to
extract energy through fluid circulation. Injection experiments above water's critical point …

Wellbore stability in high-temperature granite under true triaxial stress

R Goto, K Sakaguchi, F Parisio, K Yoshioka… - Geothermics, 2022 - Elsevier
Supercritical/superhot geothermal success depends on successful drilling. However,
wellbore stability in supercritical environments has not been investigated because imposing …

An enhanced constitutive model for quasi-brittle rocks with localized damage

S Wang, L Zhao, W Zhang - Acta Geotechnica, 2022 - Springer
Localized deformation is the failure precursor of quasi-brittle rocks. The objective herein is to
propose an enhanced constitutive model incorporating the evolution of localized damage in …

Borehole observation-based in situ stress state estimation of the Los Humeros geothermal field (Mexico)

M Kruszewski, G Montegrossi, F Parisio… - … for Energy and the …, 2022 - Elsevier
In this study, we present results of an in situ stress state estimation for the Los Humeros
geothermal field (Mexico) located in the eastern section of the Trans-Mexican Volcanic Belt …