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 …

[HTML][HTML] Discrete mechanical models of concrete fracture

JE Bolander, J Eliáš, G Cusatis, K Nagai - Engineering Fracture Mechanics, 2021 - Elsevier
Discrete models of solids have been motivated, in large part, by the discontinuous and
heterogeneous nature of material structure and its breakdown under loading. The …

Mechanical properties and meso-microscopic mechanism of basalt fiber-reinforced recycled aggregate concrete

Y Zheng, J Zhuo, P Zhang, M Ma - Journal of Cleaner Production, 2022 - Elsevier
This study aims to evaluate the macro-micro-meso-mechanical properties of basalt fiber (BF)-
reinforced recycled aggregate concrete (BFRAC). Firstly, the effects of BF with different …

Mesoscale modelling of concrete–a review of geometry generation, placing algorithms, constitutive relations and applications

PSM Thilakarathna, KSK Baduge, P Mendis… - Engineering Fracture …, 2020 - Elsevier
Concrete can be considered as a heterogeneous material at mesoscale comprising of
several constituents such as aggregates, mortar and Interfacial Transition Zone (ITZ) …

Meso-scale modelling of the size effect on dynamic compressive failure of concrete under different strain rates

J Liu, Y Wenxuan, DU Xiuli, S Zhang, LI Dong - International Journal of …, 2019 - Elsevier
Great progresses have been made in static size effect of concrete, while almost no efforts
have been conducted in dynamic size effect of concrete. The macro nonlinearity and size …

Phase-field regularized cohesive zone model (CZM) and size effect of concrete

DC Feng, JY Wu - Engineering Fracture Mechanics, 2018 - Elsevier
A phase-field regularized cohesive zone model (CZM) was recently proposed for both brittle
fracture and cohesive failure within the framework of the unified phase-field damage theory …

Mesoscopic modelling of concrete material under static and dynamic loadings: A review

Z Wu, J Zhang, Q Fang, H Yu, M Haiyan - Construction and Building …, 2021 - Elsevier
Further understanding of the mechanical responses and the failure mechanism of concrete
under different loadings, the mesoscale modelling approach considering the heterogeneity …

Three-dimensional mesoscopic investigation of the compression mechanical properties of ultra-high performance concrete containing coarse aggregates

T Feng, M Jia, W Xu, F Wang, P Li, X Wang… - Cement and Concrete …, 2022 - Elsevier
To better understand the damage characteristics of ultra-high performance concrete (UHPC)
containing coarse aggregates (CA) under load effects, we proposed a novel three …

3D mesoscale finite element modelling of concrete

R Zhou, Z Song, Y Lu - Computers & Structures, 2017 - Elsevier
Concrete is non-homogeneous and is composed of three main constituent phases from a
mesoscopic viewpoint, namely aggregates, mortar matrix, and interface transition zone (ITZ) …

An experimental approach for characterization of fracture process zone in concrete

S Bhowmik, S Ray - Engineering Fracture Mechanics, 2019 - Elsevier
In this work, an attempt has been made to understand the evolution of fracture process zone
in plain concrete member utilizing Digital Image Correlation (DIC) technique. Series of …