Experimental and numerical study of crack propagation and coalescence in pre-cracked rock-like disks
The pre-cracked disk specimens (Brazilian disks containing single and double cracks in the
middle part of the disk) of rock-like materials were experimentally tested under compressive …
middle part of the disk) of rock-like materials were experimentally tested under compressive …
Numerical simulation of crack propagation and coalescence in pre-cracked rock-like Brazilian disks using the non-ordinary state-based peridynamics
XP Zhou, YT Wang - International Journal of Rock Mechanics and Mining …, 2016 - Elsevier
In the non-ordinary state-based peridynamics (NOSB-PD), the maximum tensile stress
criterion and Mohr-Coulomb failure criterion, which are common stress-based failure criteria …
criterion and Mohr-Coulomb failure criterion, which are common stress-based failure criteria …
Understanding the fracture behavior of brittle and ductile multi-flawed rocks by uniaxial loading by digital image correlation
Fracturing behavior of ductile multi-flawed rock mass is very different from those of brittle
multi-flawed rock mass. However, there is a very vague distinction of the fracture mechanism …
multi-flawed rock mass. However, there is a very vague distinction of the fracture mechanism …
Mechanical characterisation of jointed rock-like material with non-persistent rough joints subjected to uniaxial compression
Understanding the mechanical behaviour of jointed rock particularly under uniaxial
compression is so important for an appropriate design of structures on or within a rock mass …
compression is so important for an appropriate design of structures on or within a rock mass …
Rock fracture toughness study using cracked chevron notched Brazilian disc specimen under pure modes I and II loading–A statistical approach
MRM Aliha, MR Ayatollahi - Theoretical and Applied Fracture Mechanics, 2014 - Elsevier
Fracture toughness of a white marble is studied experimentally using several cracked
chevron notched Brazilian disc (CCNBD) specimens under pure mode I and pure mode II …
chevron notched Brazilian disc (CCNBD) specimens under pure mode I and pure mode II …
Evolution of tensile and shear cracking in crystalline rocks under compression
We performed laboratory-scale unconfined compression experiments on Barre granite
specimen with a single pre-existing flaw to study the evolution of tensile and shear cracking …
specimen with a single pre-existing flaw to study the evolution of tensile and shear cracking …
Shear strength and cracking process of non-persistent jointed rocks: an extensive experimental investigation
In this paper, a number of artificial rock specimens with two parallel (stepped and coplanar)
non-persistent joints were subjected to direct shearing. The effects of bridge length (L) …
non-persistent joints were subjected to direct shearing. The effects of bridge length (L) …
New insights into fracture and cracking simulation of quasi-brittle materials based on the NMMD model
The simulation of crack-induced failure is of vital importance for the safety and integrity
assessment of solids and structures but still challenging. Being the foremost approach …
assessment of solids and structures but still challenging. Being the foremost approach …
Numerical modeling of crack propagation from open and closed flaws in rock
S Tang, L Zhang, Q Wang, K Sun, J Li, S Ding - Theoretical and Applied …, 2023 - Elsevier
The traditional fracture criterion performs well when calculating crack propagation under
tensile conditions, but a zigzag crack propagation path was obtained under compression …
tensile conditions, but a zigzag crack propagation path was obtained under compression …
Phase-field modeling of anisotropic brittle fracture in rock-like materials and polycrystalline materials
N Nguyen-Thanh, H Nguyen-Xuan, W Li - Computers & Structures, 2024 - Elsevier
In this work, we propose a novel higher-order nonlocal operator method (NOM) based
anisotropic phase-field approach to brittle fractures in rock-like materials and polycrystalline …
anisotropic phase-field approach to brittle fractures in rock-like materials and polycrystalline …