Fracture prediction of rocks under mode I and mode II loading using the generalized maximum tangential strain criterion

MD Wei, F Dai, NW Xu, Y Liu, T Zhao - Engineering fracture mechanics, 2017 - Elsevier
The effects of specimen geometry on mode I and mode II fracture toughness (ie, K Ic and K
IIc), and the ratio of K IIc to K Ic for a given rock material were derived on the basis of a …

A novel chevron notched short rod bend method for measuring the mode I fracture toughness of rocks

MD Wei, F Dai, NW Xu, Y Liu, T Zhao - Engineering Fracture Mechanics, 2018 - Elsevier
A novel chevron notched short rod bend (CNSRB) method is developed for measuring the
mode I fracture toughness (K Ic) of rocks. Similar to the conventional short rod (SR) method …

Slope stability analysis using equivalent Mohr–Coulomb and Hoek–Brown criteria

H Rafiei Renani, CD Martin - Rock mechanics and rock engineering, 2020 - Springer
Slope stability is a major design objective in civil and mining projects such as dams and
open pit mines. Stability of slopes is evaluated primarily based on the factor of safety …

Experimental simulation study of spalling in deep rectangular tunnel with plastic fine grain marble

W Wu, F Gong, W Yang - Tunnelling and Underground Space Technology, 2020 - Elsevier
Following the excavation of the rectangular tunnel faces with deep harder rock, spalling
often occurs on both sidewalls of the tunnel, which affects the tunnel support and stability. To …

Crack mode-changing stress level in porous rocks under polyaxial stress conditions

E Mutaz, M Serati, DJ Williams - Acta Geotechnica, 2024 - Springer
As the global push towards clean energy intensifies, the demand for critical minerals has
driven deep excavation in hard rock formations, posing significant challenges related to …

Modified Mohr–Coulomb criterion for nonlinear strength characteristics of rocks

S Xie, H Lin, Y Chen, T Ma - Fatigue & Fracture of Engineering …, 2024 - Wiley Online Library
Abstract The classical Mohr–Coulomb criterion has an extremely wide range of applications
in the field of engineering geology, while it cannot accurately characterize rock failure under …

On the evaluation of crack initiation stress threshold

E Mutaz, M Serati, M Bahaaddini… - ARMA US Rock …, 2021 - onepetro.org
The rapid expansion of urban and mining infrastructure over the last two decades has seen
an escalation of development in hard rocks, including urban tunnels, large open pits, and …

Susceptibility mapping of instability related to shallow mining cavities in a built-up environment

R Pellicani, G Spilotro, F Gutiérrez - Engineering Geology, 2017 - Elsevier
Anthropogenic activities and urbanization frequently spread over areas underlain by
unstable karst ground or man-made cavities, leading to potential risk situations for buildings …

Utilizing Crushed Limestone as a Sustainable Alternative in Shotcrete Applications

E Mutaz, M Dafalla, AM Al-Mahbashi, M Serati - Materials, 2024 - mdpi.com
Solving the challenges facing the mining industry is crucial for shaping the global attitude
towards clean energy technologies associated with critical minerals extracted from depth …

Directional and 3-D confinement-dependent fracturing, strength and dilation mobilization in brittle rocks

M Rahjoo - 2019 - open.library.ubc.ca
The continued demand for new resources and infrastructure in the civil, mining, and energy
sectors has pushed these industries to greater depths. This has exposed projects to higher …