Numerical predictions of progressive collapse in reinforced concrete beam-column sub-assemblages: A focus on 3D multiscale modeling

X Long, PM Iyela, Y Su, MM Atlaw, SB Kang - Engineering Structures, 2024 - Elsevier
The progressive collapse of reinforced concrete (RC) beam-column sub-assemblage under
catenary action (CA) using the alternate load path method to evaluate structures' robustness …

3D mesoscale investigation on the compressive fracture of concrete with different aggregate shapes and interface transition zones

G Zhou, Z Xu - Construction and Building Materials, 2023 - Elsevier
The purpose of this work is to investigate the effect of aggregate shape parameters and
interface transition zone (ITZ) thickness on the mechanical properties and failure behavior of …

Mesoscopic investigation of the matrix pores and ITZ effects on the mechanical properties of seawater sea-sand coral aggregate concrete

Z Yang, X Zhan, H Zhu, B Zhang, F Lu… - Journal of Building …, 2024 - Elsevier
In this study, the matrix pores and ITZ effects on the mechanical properties of seawater sea-
sand coral aggregate concrete (SSCAC) were investigated via the meso-element equivalent …

Three-dimensional aggregate modelling method and damage analysis of recycled aggregate concrete

J Ying, Y Jian, X Gan, B Chen, J Xiao - Composite Structures, 2024 - Elsevier
A new aggregate placement algorithm has been developed that can automatically identify
the remaining space after the aggregate is placed, and only new aggregates are placed in …

Research on two-dimensional digital characterization of crushed stone aggregates in the SCC filling layer of the CRTS III slab ballastless track

W Jiang, Y Xie, K Ma, J Wu, G Long - Construction and Building Materials, 2023 - Elsevier
Through the actual situation of on-site construction and building, it could be found that the
filling quality of the SCC filling layer had a large correlation with the apparent morphology of …

Mesoscale modelling on shear behavior of RC beams at low temperature: Influences of structural size and shear span-to-depth ratio

L Jin, C Xie, W Yu, X Du - Engineering Structures, 2024 - Elsevier
The low-temperature brittle failure of materials could aggravate the brittle characteristics of
shear failure of RC beams, which urgently needs scientific research. This paper aims to …

Enhanced solid element model with embedded strong discontinuity for representation of mesoscale quasi-brittle failure

M Šodan, A Stanić, M Nikolić - International Journal of Fracture, 2024 - Springer
This article presents a novel two-dimensional quadrilateral solid finite element model,
enhanced by incompatible modes and embedded strong discontinuity for simulation of …

Mesoscale Modeling of Polymer Concrete Dynamic Properties

P Dunaj - Polymers, 2023 - mdpi.com
There is a constant need to predict the dynamic properties of composite materials already at
the design stage. A particularly attractive tool for achieving this goal is mesoscale finite …

[HTML][HTML] Simulation of Dynamic Mechanical Properties of Sustainable Lightweight Aggregate Concrete with Mesoscopic Model

L Chen, F Yang, X Li - Infrastructures, 2024 - mdpi.com
In the current paper, the dynamic mechanical properties of sustainable lightweight
aggregate concrete (SLAC) were numerically studied with a newly developed mesoscopic …

Possible Application of Computed Tomography for Numerical Simulation of the Damage Mechanism of Cementitious Materials—A Method Review

GP Kaczmarczyk, M Cała - Buildings, 2023 - mdpi.com
Modeling the meso-scale behavior of a material allows one to answer many problems in an
inductive reasoning approach. By simulating the behavior of the sample, researchers can …