Stability of fresh concrete and its effect on late-age durability of reinforced concrete: An overview

Y Cai, Q Liu - Journal of Building Engineering, 2023 - Elsevier
The stability of fresh concrete should be properly considered to ensure the quality of building
engineering while requiring its high flowability. The poor fresh state stability is detrimental to …

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 numerical study on chloride transport in alkali-activated fly ash/slag concretes

Q Liu, Y Cai, H Peng, Z Meng, S Mundra… - Cement and Concrete …, 2023 - Elsevier
Alkali-activated binders for concrete composites are emerging as the available low-
embodied-carbon alternatives to ordinary Portland cement (OPC). Despite decades of …

Numerical study on the chemical and electrochemical coupling mechanisms for concrete under combined chloride-sulfate attack

Z Meng, Q Liu, N Ukrainczyk, S Mu, Y Zhang… - Cement and Concrete …, 2024 - Elsevier
Cementitious materials exposed to marine and saline environments are commonly
threatened by a combined attack of sulfate and chloride ions. This study developed a …

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

L Tong, QX Xiong, 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 …

Modeling the chloride transport in concrete from microstructure generation to chloride diffusivity prediction

L Tong, Q Liu, Q Xiong, Z Meng… - Computer‐Aided Civil …, 2024 - Wiley Online Library
Pore structure characteristics of cementitious materials play a critical role in the transport
properties of concrete structures. This paper develops a novel framework for modeling …

Improved freeze-thaw modification of recycled concrete aggregate originally from frost resistive concrete

P Xia, L Yang, S Wang, F Gong, W Cao… - Cement and Concrete …, 2023 - Elsevier
Air-entrained recycled concrete aggregate (AE-RCA), with strong frost resistance, cannot be
effectively modified using the freeze-thaw modification that combines thermo-drying and …

Chloride penetration in concrete under varying humidity and temperature changes: A numerical study

L Tong, B Šavija, M Zhang, QX Xiong, Q Liu - Construction and Building …, 2025 - Elsevier
When serving in the marine environment, reinforced concrete structures are prone to be
attacked by chloride ingress, which generally co-occurs with varying humidity and …

Improve corrosion resistance of steel bars in simulated concrete pore solution by the addition of EDTA intercalated CaAl-LDH

M Chen, H Yuan, X Qin, Y Wang, H Zheng, L Yu, Y Cai… - Corrosion …, 2024 - Elsevier
The main perspective of this paper is to prepare an eco-friendly corrosion inhibitor suitable
for reinforced concrete. The properties of CaAl-LDHs loaded with …

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 …