A review of the interfacial transition zones in concrete: Identification, physical characteristics, and mechanical properties

Q Chen, J Zhang, Z Wang, T Zhao, Z Wang - Engineering Fracture …, 2024 - Elsevier
Abstract Interfacial Transition Zones (ITZ) with high porosity are easier pathways for damage
initiation and propagation. However, their mechanical performance has hardly been …

A review on pore structure characterization in tight sandstones

J Lai, G Wang, Z Wang, J Chen, X Pang, S Wang… - Earth-Science …, 2018 - Elsevier
Tight sandstone reservoirs typically contain a wide pore throat sizes ranging from the nano-
scale to micro-scale, and have complex pore geometry and pore throat structure …

A CT image-driven computational framework for investigating complex 3D fracture in mesoscale concrete

Y Huang, S Natarajan, H Zhang, F Guo, S Xu… - Cement and Concrete …, 2023 - Elsevier
Accurate prediction of fracture in concrete depends on the characterization of real meso-
structures. Micro X-ray computed tomography (CT) can fulfil this task but is still too expensive …

[HTML][HTML] A Voronoi-based gaussian smoothing algorithm for efficiently generating RVEs of multi-phase composites with graded aggregates and random pores

Y Su, PM Iyela, J Zhu, X Chao, S Kang, X Long - Materials & Design, 2024 - Elsevier
This paper presents an innovative numerical modeling framework capable of generating
highly realistic 3D mesoscale multi-phase concrete models with unprecedented efficiency …

A review of X-ray computed tomography of concrete and asphalt construction materials

A du Plessis, WP Boshoff - Construction and Building Materials, 2019 - Elsevier
The microstructural details of concrete and asphalt construction materials are crucial in
understanding and improving their material properties for structural applications in civil …

Meso-scale modelling of compressive fracture in concrete with irregularly shaped aggregates

S Naderi, W Tu, M Zhang - Cement and concrete research, 2021 - Elsevier
This paper presents a meso-scale modelling framework to investigate the fracture process in
concrete subjected to uniaxial and biaxial compression accounting for its mesostructural …

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) …

GPU-based discrete element model of realistic non-convex aggregates: Mesoscopic insights into ITZ volume fraction and diffusivity of concrete

W Xu, M Jia, W Guo, W Wang, B Zhang, Z Liu… - Cement and Concrete …, 2023 - Elsevier
Aggregates with realistic non-convex morphologies and their surrounding interfacial
transition zones (ITZs) significantly affect the diffusivity of concrete. Herein, we initially …

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 …

[HTML][HTML] On the effect of ITZ thickness in meso-scale models of concrete

M Maleki, I Rasoolan, A Khajehdezfuly… - Construction and Building …, 2020 - Elsevier
This work addresses a knowledge gap in meso-scale modelling of concrete–the effect of
selected computational ITZ thickness on predicted macroscopic behaviour. A novel …