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) …

A review of microstructure characterization of asphalt mixtures using computed tomography imaging: Prospects for properties and phase determination

J Taheri-Shakib, A Al-Mayah - Construction and Building Materials, 2023 - Elsevier
The analysis of microstructural characteristics and evolution of asphalt mixtures is essential
due to their impact on the macroscopic performance of the pavement. X-ray Computed …

Numerical and theoretical investigation on the size effect of concrete compressive strength considering the maximum aggregate size

L **, W Yu, D Li, X Du - International Journal of Mechanical Sciences, 2021 - Elsevier
The aggregate size plays an important role in the nonlinear mechanical behaviour of
concrete, which is strongly related to the size effect. In this study, the meso-mechanical …

Overview of the use of micro-computed tomography (micro-CT) to investigate the relation between the material characteristics and properties of cement-based …

SY Chung, JS Kim, D Stephan, TS Han - Construction and Building …, 2019 - Elsevier
Cement-based materials are generally highly heterogeneous, and their material properties
are strongly affected by the characteristics and spatial distributions of each constituent …

Meso-scale modelling of static and dynamic tensile fracture of concrete accounting for real-shape aggregates

S Naderi, M Zhang - Cement and Concrete Composites, 2021 - Elsevier
This paper presents a computational framework for modelling the fracture process in
concrete under static and dynamic tensile loading considering its mesostructural …

Behavior of meso-scale heterogeneous concrete under uniaxial tensile and compressive loadings

H Chen, B Xu, YL Mo, T Zhou - Construction and Building Materials, 2018 - Elsevier
Meso-scale modeling approach is helpful for understanding the mechanism of both global
nonlinear behavior and local failure pattern of concrete materials and structures. As a typical …

Quantitative evaluation of steel corrosion induced deterioration in rubber concrete by integrating ultrasonic testing, machine learning and mesoscale simulation

J Zhang, M Zhang, B Dong, H Ma - Cement and Concrete Composites, 2022 - Elsevier
Chloride-induced steel corrosion seriously affects the durability of reinforced concrete
structures. Rubber concrete, an environmentally friendly construction material in which …

Mesoscale synergistic effect mechanism of aggregate grading and specimen size on compressive strength of concrete with large aggregate size

Y Zheng, Y Zhang, J Zhuo, P Zhang, S Hu - Construction and Building …, 2023 - Elsevier
In this paper, a 2D finite element model with a mesoscale level was established. The effects
of content, maximum particle size, and shape of aggregate on the strength of concrete were …

Mechanical and microstructural properties of cement pastes containing carbon nanotubes and carbon nanotube-silica core-shell structures, exposed to elevated …

P Sikora, M Abd Elrahman, SY Chung… - Cement and Concrete …, 2019 - Elsevier
This study aims to investigate the effects of carbon nanotubes and carbon nanotube-silica
core-shell structures, on the behaviour of cement pastes exposed to high temperature (300 …

X-ray computed tomography images based phase-field modeling of mesoscopic failure in concrete

ZJ Yang, BB Li, JY Wu - Engineering Fracture Mechanics, 2019 - Elsevier
Crack nucleation and propagation in concrete is significantly affected by mesoscopic
heterogeneities, resulting in distinct failure modes and mechanical behavior. In this work, the …