A review of continuum damage and plasticity in concrete: Part I–Theoretical framework

T Park, B Ahmed, GZ Voyiadjis - International Journal of …, 2022 - journals.sagepub.com
In the past few decades, extensive research on concrete modeling to predict behavior, crack
propagation, microcrack coalescence by utilizing different approaches (fracture mechanics …

Coupled microplane and micromechanics model for describing the damage and plasticity evolution of quasi-brittle material

L Kong, H Xie, C Li - International Journal of Plasticity, 2023 - Elsevier
Quasi-brittle materials exhibit significant heterogeneity due to their complex mesoscopic
components and microdefects, and their macroscopic mechanical behavior depends …

A novel elastic–plastic damage model for rock materials considering micro-structural degradation due to cyclic fatigue

J Zhang, WY Liu, QZ Zhu, JF Shao - International Journal of Plasticity, 2023 - Elsevier
In this work, a novel constitutive model is developed to describe the mechanical behavior of
rock like materials subjected to cyclic loading. The fatigue damage is physically related to …

A new micromechanical damage model for quasi-brittle geomaterials with non-associated and state-dependent friction law

LY Zhao, ZM Lv, YM Lai, QZ Zhu, JF Shao - International Journal of …, 2023 - Elsevier
In this paper, we shall present a new micromechanical damage model for capturing the
mechanical behaviors of quasi-brittle geomaterials under a wide range of compressive …

A micromechanics-based variational phase-field model for fracture in geomaterials with brittle-tensile and compressive-ductile behavior

J Ulloa, J Wambacq, R Alessi, E Samaniego… - Journal of the …, 2022 - Elsevier
This paper presents a framework for modeling failure in quasi-brittle geomaterials under
different loading conditions. A micromechanics-based model is proposed in which the field …

A gradient-extended two-surface damage-plasticity model for large deformations

T Brepols, S Wulfinghoff, S Reese - International Journal of Plasticity, 2020 - Elsevier
This work is concerned with the theoretical development, algorithmic implementation and
numerical investigation of a novel thermodynamically consistent 'two-surface'gradient …

Incorporation of tension-compression asymmetry into plastic damage phase-field modeling of quasi brittle geomaterials

T You, QZ Zhu, PF Li, JF Shao - International Journal of Plasticity, 2020 - Elsevier
Both experiments and theoretical investigations have evidenced the existence of
compressive-shear fracture mode in geomaterials like concrete, rocks and gypsum. Proper …

A micro-mechanics based plastic damage model for quasi-brittle materials under a large range of compressive stress

LY Zhao, QZ Zhu, JF Shao - International Journal of Plasticity, 2018 - Elsevier
In this paper, a new micro-mechanics based plastic damage model is proposed for quasi-
brittle materials under a large range of compressive stress. The damage is due to initiation …

Estimation of elastic properties and failure strength of layered rocks with a multi-scale damage approach

LY Zhao, L Ren, FJ Niu, YM Lai, QZ Zhu… - International Journal of …, 2023 - Elsevier
Layered rocks (LR) are composed of intact rock matrix (IRM) and various oriented rough
weakness planes (eg, fractures, bedding planes, and foliations). New microcracks can also …

A novel micromechanics-enhanced phase-field model for frictional damage and fracture of quasi-brittle geomaterials

T You, H Waisman, WZ Chen, JF Shao… - Computer Methods in …, 2021 - Elsevier
Cracking in quasi-brittle geomaterials is a complex mechanical phenomenon, driven by
various dissipation mechanisms across multiple length scales. While some recent promising …