Computational methods of mass transport in concrete under stress and crack conditions: a review

X Sun, S Wang, J **, Z Wang… - Journal of Intelligent …, 2023 - ieeexplore.ieee.org
Currently, the durability of cement-based composites is primarily influenced by the presence
and transport of corrosive fluids. In structural concrete, various factors such as mechanical …

Diffusivity of porous media considering the coupling influence of pore shape-and size-polydispersities on the percolation: Theoretical and numerical studies

M Li, L Qing, H Chen, W Xu, J Lin - Computer Methods in Applied …, 2023 - Elsevier
Aggressive media in the environment will penetrate into the porous media through the
connected pore channels, causing damage to the microstructure and reducing the working …

Numerical modeling of the effects of the shape and aspect ratio of 3D curved fiber on the percolation threshold and electrical conductivity of conductive polymer …

H Yuan, H Chen, S Sun, M Li, Z Liu, L Liu - Soft Matter, 2024 - pubs.rsc.org
For designing conductive polymer composites (CPCs), understanding how the fiber
curvature affects the percolation behavior of curved conductive fibers is essential for …

Permeability of granular media considering the effect of grain composition on tortuosity

M Li, H Chen, X Li, L Liu, J Lin - International Journal of Engineering …, 2022 - Elsevier
Owing to the shape and size polydispersities of grains, transport paths in granular media are
always tortuous. In general, the tortuosity of a transport path affects the fluid flow and mass …

Effective permeability of fractured porous media with fracture density near the percolation threshold

C He, C Yao, Y **, Q Jiang, C Zhou - Applied Mathematical Modelling, 2023 - Elsevier
This study investigates the effective permeability of fractured porous media with fracture
density near the percolation threshold. A new equivalent matrix-fracture network (EMFN) …

Insight into the coupling effect of tortuosity and percolation on the permeability of overlap** ovoidal particle systems

M Li, L Qing, H Chen, J Lin - Powder Technology, 2024 - Elsevier
In general, porous media can be represented by the overlap** particle packing systems,
where the overlap**-particles themselves are the pore phase that permit fluid flow. A …

A Numerical Study of ITZ Percolation in Polyphase Concrete Systems Considering the Synergetic Effect of Aggregate Shape-and Size-Diversities

J Lin, Q Zhao, H Chen, M Li, L Yuan - Materials, 2023 - mdpi.com
The percolation of the interfacial transition zone (ITZ) is generally regarded as an important
factor that may accelerate the penetration of aggressive agents in concrete materials, and its …

Experimental study on permeability of spun high strength concrete material during mechanical loading

J He, J Hong, R Gao, F Liu, L Li - Construction and Building Materials, 2023 - Elsevier
The pretensioned spun high strength concrete pipe pile (PHC pipe pile) is widely applied in
important infrastructures of off-shore zones due to its low permeability and high capacity …

Percolation threshold and electrical conductivity of conductive polymer composites filled with curved fibers in two-dimensional space

H Yuan, H Chen, M Li, L Liu, Z Liu - Soft Matter, 2023 - pubs.rsc.org
Quantifying the influence of fiber curvature on the percolation behavior of flexible conductive
fiber and further on the electrical conductivity of conductive polymer composites (CPCs) is …

Effects of grain's shape-and size-polydispersities, orientation, and area fraction on tortuosity and permeability of 2D granular media

K Cao, H Chen, MI Khan, M Li, L Liu - Particuology, 2024 - Elsevier
The microstructure of granular media, including grain's shape-and size-polydispersities,
orientation, and area fraction can potentially affect its permeability. However, few studies …