Experimental study on chloride ion diffusion behavior and microstructure in concrete under alternating ambient humidity conditions

H Jin, J Liu, D Zhong, L Tang - Construction and Building Materials, 2023 - Elsevier
The migration of chloride in concrete in atmospheric zones is mainly influenced by climatic
conditions, eg, various dry-wet cycles in marine tidal zones, and ambient humidity is one of …

Evolution characteristics and mechanism of concrete performance under water pressure environment: A comprehensive review

W Xue, T Min, MS Alam, H Fan, L Liu - Structural Concrete, 2023 - Wiley Online Library
Compared with the ground service environment, the evolution of concrete performance
under a water pressure service environment is quite complex with variable conditions …

A new analytical method to predict permeability properties of cementitious mortars: the impacts of pore structure evolutions and relative humidity variations

QX Xiong, L Tong, Z Zhang, C Shi, Q Liu - Cement and Concrete …, 2023 - Elsevier
This research develops analytical models in respectively describing the water vapour
sorption isotherm and permeability properties based on a probabilistic method for pore size …

Numerical and experimental investigation of coupled capillary suction and chloride penetration in unsaturated concrete under cyclic drying-wetting condition

J Bao, R Zheng, J Wei, P Zhang, S Xue, Z Liu - Journal of Building …, 2022 - Elsevier
Understanding the simultaneous transport mechanism of water and chloride in unsaturated
concrete under cyclic drying-wetting condition plays a crucial role in assessing the service …

Improved predictions of permeability properties in cement-based materials: A comparative study of pore size distribution-based models

QX Xiong, L Tong, F Meftah, Y Zhang, Q Liu - Construction and Building …, 2024 - Elsevier
Permeability is a fundamental physical property of a cement-based material and is closely
related to its pore structure. This study developed an improved model for permeability …

Effect of dry–wet ratio on sulfate transport-reaction mechanism in concrete

K Wang, J Guo, L Yang - Construction and Building Materials, 2021 - Elsevier
Drying–wetting cycle accelerate the deterioration of concrete in aqueous sulfate
environment, but their regime is not well-established. This study investigates the effect of dry …

Chloride ions migration and induced reinforcement corrosion in concrete with cracks: a comparative study of current acceleration and natural marine exposure

F Du, Z Jin, W She, C Xiong, G Feng, J Fan - Construction and Building …, 2020 - Elsevier
The aim of this paper is to investigate the corrosion relationship between reinforced concrete
exposed to natural marine environment and applied current acceleration. Chloride ions …

Influence of dry-wet ratio on properties and microstructure of concrete under sulfate attack

K Wang, J Guo, H Wu, L Yang - Construction and Building Materials, 2020 - Elsevier
This experimental study aims to determine the effect of dry-wet ratio on properties and
microstructure of concrete under sulfate attack. Under the condition of oven drying, four …

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 …

A transport-chemical-physical–mechanical model for concrete subjected to external sulfate attack and drying–wetting cycles

M Zhang, S Qin, H Lyu, C Chen, D Zou, A Zhou… - Engineering Fracture …, 2023 - Elsevier
When coupled with drying–wetting cycles, the deterioration process of concrete subjected to
external sulfate attack (ESA) is significantly accelerated. The impact of moisture variations …