A review on fracture propagation in concrete: Models, methods, and benchmark tests

F Mukhtar, A El-Tohfa - Engineering Fracture Mechanics, 2023 - Elsevier
Rigorous characterization of fracture evolution in quasi-brittle materials–such as concrete–
requires computationally intensive and, mostly, complex approaches. However, the …

Scaling in size, time and risk—The problem of huge extrapolations and remedy by asymptotic matching

ZP Bažant, HT Nguyen, AA Dönmez - Journal of the Mechanics and Physics …, 2023 - Elsevier
The scaling of structural response of concrete structures to large structure sizes, to long
service lives and to tolerable failure probabilities is a problem of order-of-magnitude …

Critical comparison of phase-field, peridynamics, and crack band model M7 in light of gap test and classical fracture tests

ZP Bažant, HT Nguyen… - Journal of Applied …, 2022 - asmedigitalcollection.asme.org
The recently conceived gap test and its simulation revealed that the fracture energy Gf (or
Kc, Jcr) of concrete, plastic-hardening metals, composites, and probably most materials can …

Simulating concrete failure using the Microplane (M7) constitutive model in correspondence-based peridynamics: Validation for classical fracture tests and extension …

Y Bazilevs, M Behzadinasab, JT Foster - … of the Mechanics and Physics of …, 2022 - Elsevier
We begin the article by summarizing some key developments in the field of Peridynamics
(PD) and arrive at a conclusion that two schools of PD are emerging in recent years. One …

Simulating air blast on concrete structures using the volumetric penalty coupling of isogeometric analysis and peridynamics

S Shende, M Behzadinasab, G Moutsanidis… - … Models and Methods …, 2022 - World Scientific
A stabilized Isogeometric formulation of compressible flows is coupled to a large-
deformation inelastic solid with an M7 Microplane constitutive model of concrete failure …

Reduced quadrature for finite element and isogeometric methods in nonlinear solids

W Li, G Moutsanidis, M Behzadinasab… - Computer Methods in …, 2022 - Elsevier
We extend the recently proposed framework using reduced quadrature in the Finite Element
and Isogeometric methods for solid mechanics to the nonlinear realm. The proposed …

[HTML][HTML] Multiscale modeling of diffuse damage and localized cracking in quasi-brittle materials under compression with a quadratic friction law

LY Zhao, L Ren, LH Liu, YM Lai, FJ Niu… - International Journal of …, 2024 - Elsevier
The diffuse damage and localized cracking of quasi-brittle materials (ie, rocks and
concretes) under compression can be delineated by a matrix-microcrack system, wherein a …

Proposal of m-index for rating fracture and damage models by their ability to represent a set of distinctive experiments

ZP Bažant, HT Nguyen - Journal of Engineering Mechanics, 2023 - ascelibrary.org
A recent comparative study revealed that the commonly offered experimental validations of
peridynamics and phase-field fracture models have been insufficient because they involved …

Isogeometric smooth crack-band model (isCBM) using spress–sprain relations adapted to microplane theory

H Nguyen, W Li, ZP Bažant, Y Bazilevs - … of the Mechanics and Physics of …, 2023 - Elsevier
Recent optimum fitting of the data from eleven different types of distinctive fracture tests of
quasibrittle materials, including the gap tests and the size effect tests, revealed that the crack …

What We Can and Cannot Learn from a Single Shear Test of a Very Large RC Beam

H Xu, AA Dönmez, HT Nguyen… - Journal of Structural …, 2023 - ascelibrary.org
In the existing database on shear load capacity, tests of very large beams are scarce.
Valuable additions to the database have recently been made in 2021 at the University of …