The multi-dimensional joint response of the electric potential time–frequency-field in the fracture process of flawed coal under dynamic load

Z Zang, Z Li, Z Gu, Y Niu, S Yin, X Kong… - Theoretical and Applied …, 2024 - Elsevier
The fracture failure of flawed coal has always been a problem in underground engineering.
Therefore, it is necessary to monitor crack propagation and damage evolution during coal …

Study of the dynamic failure characteristics of anisotropic shales under impact Brazilian splitting

X Feng, B Gong, Z Liang, S Wang, C Tang, H Li… - Rock Mechanics and …, 2024 - Springer
The mechanical behaviors of shales with transversely isotropic characteristics under
dynamic loading have great significance for structural instability in geotechnical …

Coupled thermo-hydro-mechanical simulation of hydraulic fracturing in deep reservoirs using finite-discrete element method

M Sharafisafa, Z Aliabadian, A Sato, L Shen - Rock Mechanics and Rock …, 2023 - Springer
Hydraulic fracturing (HF) is one of the most effective stimulation techniques to enhance
reservoir permeability. The efficiency of an HF fluid injection depends on the pre-existing …

Experimental and numerical investigations on crack development in 3D printed rock-like specimens with pre-existing flaws

Z Aliabadian, M Sharafisafa, F Tahmasebinia… - Engineering Fracture …, 2021 - Elsevier
Rock masses contain various discontinuities such as flaws, cracks, join sets and more, each
significantly affect the crack initiation, propagation and coalescence patterns of new cracks …

Dynamic responses and damage mechanism of rock with discontinuity subjected to confining stresses and blasting loads

X Jiang, Y Xue, F Kong, H Gong, Y Fu… - International Journal of …, 2023 - Elsevier
The propagation of seismic waves induced by blasting changes significantly at rock
discontinuities such as joints and faults, many studies have focused on the mechanism of …

Effects of pre-static loads on the dynamic pure mode I and mixed mode I–II fracture characteristics of rocks

Y Li, F Dai, Y Liu, M Wei - Engineering Fracture Mechanics, 2023 - Elsevier
Rocks in deep underground engineering are prone to encounter pre-static loads and
dynamic disturbances simultaneously. Meanwhile, pure mode I and mixed mode I–II …

Mechanical behaviour of a jointed rock mass with a circular hole under compression-shear loading: Experimental and numerical studies

Q Lin, P Cao, Y Liu, R Cao, J Li - Theoretical and Applied Fracture …, 2021 - Elsevier
The tunnels excavated in a mountain body interact with the jointed rock mass under
compression-shear and present a complex stress state. The joints often have a significant …

A comparative study on the crack development in rock-like specimens containing unfilled and filled flaws

M Sharafisafa, Z Aliabadian, F Tahmasebinia… - Engineering Fracture …, 2021 - Elsevier
Rock masses consist of various discontinuities that significantly affect the crack development
patterns which dominates the ultimate failure of geostructures. The interaction of the pre …

Anisotropy and microcrack-induced failure precursor of shales under dynamic splitting

X Feng, B Gong, X Cheng, H Zhang… - … , Natural Hazards and …, 2022 - Taylor & Francis
The dynamic anisotropy and failure mechanism of shales are greatly affected by bedding
surfaces. To reveal the influence of beddings on anisotropic characteristics of shales under …

A novel methodology for characterizing fracture process zone evolution in Barre granite specimens under mode I loading

P Garg, S Zafar, A Hedayat, OZ Moradian… - Theoretical and Applied …, 2023 - Elsevier
Fracturing in quasi-brittle such as rock involves the development of an inelastic zone around
the pre-crack tip, also known as the fracture process zone (FPZ). The evolution of FPZ, while …