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 …

[HTML][HTML] Past, current and future trends and challenges in non-deterministic fracture mechanics: A review

Y Feng, D Wu, MG Stewart, W Gao - Computer Methods in Applied …, 2023 - Elsevier
Structural systems are consistently encountering the variabilities in material properties,
undesirable defects and loading environments, which may potentially shorten their designed …

Progress and research challenges in concrete durability: ionic transport, electrochemical rehabilitation and service life prediction

Q Liu - RILEM Technical Letters, 2022 - letters.rilem.net
Concrete durability degradation problems have received considerable attention in both
research field and concrete industry during recent decades. To better understand the …

Numerical investigation of external sulfate attack and its effect on chloride binding and diffusion in concrete

C Zhang, W Chen, S Mu, B Šavija, Q Liu - Construction and Building …, 2021 - Elsevier
Reinforced concrete (RC) structures may suffer from serious durability problems during long-
term service. To investigate the deterioration of RC structures subjected to the dual attacks of …

Understanding the degradation mechanisms of cement-based systems in combined chloride-sulfate attack

OO Metalssi, RR Touhami, F Barberon… - Cement and Concrete …, 2023 - Elsevier
Chemical aggressions from the environment, such as salt ions, can damage reinforced
concrete structures before they reach their service life. These deterioration mechanisms are …

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 …

Understanding the impact of main seawater ions and leaching on the chloride transport in alkali-activated slag and Portland cement

Z Chen, H Ye - Cement and Concrete Research, 2023 - Elsevier
A growing body of evidence has suggested an aggravated chloride diffusion in concrete
exposed to seawater than to pure NaCl solution of the same chloride concentration …

Multiphysical damage characteristics of concrete exposed to external sulfate attack: Elucidating effect of drying–wetting cycles

K Wang, J Guo, L Yang, P Zhang, H Xu - Construction and Building …, 2022 - Elsevier
Drying–wetting cycles (DWC) are suspected of influencing the performance of concrete
under sulfate attack, but the nature and extent of this influence are still unclear. Therefore …

Durability assessment of LC3-based reinforced concrete under combined chloride-sulfate environment via the EIS technique

A Ejbouh, A Ech-chebab, S Hassi, M Galai… - … and Building Materials, 2023 - Elsevier
Concrete technology has significantly advanced towards alternative sustainable and eco-
friendly cement-based materials. Accordingly, the durability of real-life blended concrete …