Fracture process zone (FPZ) in quasi-brittle materials: Review and new insights from flawed granite subjected to uniaxial stress
JZ Zhang, XP Zhou - Engineering Fracture Mechanics, 2022 - Elsevier
In the failure of quasi-brittle materials such as rocks, microstuctural damage always
precedes macroscopic fracture and manifests itself in the formation of fracture process zones …
precedes macroscopic fracture and manifests itself in the formation of fracture process zones …
Nonlocal integral formulations of plasticity and damage: survey of progress
Modeling of the evolution of distributed damage such as microcracking, void formation, and
softening frictional slip necessitates strain-softening constitutive models. The nonlocal …
softening frictional slip necessitates strain-softening constitutive models. The nonlocal …
Study on fracture parameters and fracture process zone of manufactured-sand recycled aggregate concrete
Y Xu, H Chen, Y Tang - Construction and Building Materials, 2022 - Elsevier
This paper studied the fracture parameters and fracture process zone (FPZ) of manufactured-
sand recycled aggregate concrete (MSRAC) with different replacement rates of recycled …
sand recycled aggregate concrete (MSRAC) with different replacement rates of recycled …
Extended finite element method for quasi‐brittle fracture
A methodology for the simulation of quasi‐static cohesive crack propagation in quasi‐brittle
materials is presented. In the framework of the recently proposed extended finite element …
materials is presented. In the framework of the recently proposed extended finite element …
A combined XFEM–damage mechanics approach for concrete crack propagation
This paper presents a crack model that couples the benefits of the damage mechanics
approach and the extended finite element method (XFEM). A crack-tracking technique is …
approach and the extended finite element method (XFEM). A crack-tracking technique is …
A review on fracture propagation in concrete: Models, methods, and benchmark tests
Rigorous characterization of fracture evolution in quasi-brittle materials–such as concrete–
requires computationally intensive and, mostly, complex approaches. However, the …
requires computationally intensive and, mostly, complex approaches. However, the …
An extended FE strategy for transition from continuum damage to mode I cohesive crack propagation
An integrated strategy is proposed for the simulation of damage development and crack
propagation in concrete structures. In the initial stage of damage growth, concrete is …
propagation in concrete structures. In the initial stage of damage growth, concrete is …
Parameter identification of a cohesive crack model by Kalman filter
G Bolzon, R Fedele, G Maier - Computer Methods in Applied Mechanics …, 2002 - Elsevier
The Kalman filter (KF) methodology is apt to solve parameter identification (inverse)
problems in a statistical context, through a sequence of estimations, which starts from an a …
problems in a statistical context, through a sequence of estimations, which starts from an a …
Evolution of the mixed mode FPZ and fracture roughness of Beishan granite after coupled thermo-hydro-mechanical treatment
Deep surrounding rocks contain a network of longitudinally intersecting fissures. Exploration
of their fracture process zone (FPZ) size evolution during mixed loading and fracture surface …
of their fracture process zone (FPZ) size evolution during mixed loading and fracture surface …
Experimental study on the fracture process zone characteristics in concrete utilizing DIC and AE methods
The present work focuses on investigating the characteristics of the fracture process zone
(FPZ) in concrete. The Single-edge notched (SEN) concrete beams under three-points …
(FPZ) in concrete. The Single-edge notched (SEN) concrete beams under three-points …