Carbonation modelling of hardened cementitious materials considering pore structure characteristics: A review

L Tong, Y Cai, Q Liu - Journal of Building Engineering, 2024 - Elsevier
Carbonation of cementitious materials is one of the most important reasons leading to the
deterioration of steel-reinforced concrete structures. After years of research, different models …

A novel lattice model to predict chloride diffusion coefficient of unsaturated cementitious materials based on multi-typed pore structure characteristics

L Tong, QX **ong, Z Zhang, X Chen, G Ye… - Cement and Concrete …, 2024 - Elsevier
This paper develops a novel lattice diffusive model to quantitatively study the chloride
diffusion coefficient in unsaturated cementitious materials, in which the pore voxels are …

Effect of carbonation on transport properties of cementitious materials under different environmental conditions: A pore-scale modelling

L Tong, Q Liu, X Xu, QX **ong, DCW Tsang - Journal of Cleaner Production, 2025 - Elsevier
CO 2 treatment of cementitious materials has been suggested as a potential approach to
reduce carbon footprint and improve material properties. To gain a deep understanding of …

Numerical study of interactive ingress of calcium leaching, chloride transport and multi-ions coupling in concrete

Q Liu, X Shen, B Šavija, Z Meng, DCW Tsang… - Cement and Concrete …, 2023 - Elsevier
In circumstances with wastewater and seawater, the behavior of multi-ions including
calcium, chloride and others in concrete attracts attention. The present study investigated the …

A reactive transport modeling perspective on the dynamics of interface-coupled dissolution-precipitation

H Deng, J Poonoosamy, S Molins - Applied geochemistry, 2022 - Elsevier
In interface coupled dissolution-precipitation systems, the dynamics of the mineral-fluid
interface depends on two intertwining processes: the dissolution of the primary mineral that …

Dissolution of portlandite in pure water: Part 2 atomistic kinetic Monte Carlo (KMC) approach

M Izadifar, N Ukrainczyk, KM Salah Uddin… - Materials, 2022 - mdpi.com
Portlandite, as a most soluble cement hydration reaction product, affects mechanical and
durability properties of cementitious materials. In the present work, an atomistic kinetic …

Effective diffusivity of hardened cement paste from 3D microstructures: A critical comparison of real and virtual microstructures

P Limtong, RA Patel, Y Takahashi, T Ishida - Cement and Concrete …, 2023 - Elsevier
This study compares experimentally obtained hardened cement paste microstructures from
μ CT and virtual microstructures generated by two hydration models, namely CEMHYD3D …

Simple model for alkali leaching from geopolymers: Effects of raw materials and acetic acid concentration on apparent diffusion coefficient

N Ukrainczyk - Materials, 2021 - mdpi.com
This paper investigates alkali leaching from geopolymers under various concentrations of
acetic acid solutions. The effects of the raw metakaolin purity as well as fly ash-based …

Towards a scientific-based assessment of long-term durability and performance of cementitious materials for radioactive waste conditioning and disposal

D Jacques, QT Phung, J Perko, SC Seetharam… - Journal of Nuclear …, 2021 - Elsevier
Because of its solid structure, low permeability, slow diffusion and good chemical retention
for many radionuclides, cementitious materials are often used for conditioning radioactive …

[HTML][HTML] Reactive transport modeling of acetic acid-induced degradation in portland cement paste

M Löher, N Ukrainczyk, A Bogner, A Hirsch… - Cement and Concrete …, 2025 - Elsevier
A reactive transport model was employed to investigate the influence of multiple hydrate
phases during acetic acid attack on Portland cement paste. The simulation accounted for the …