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 …

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 …

[HTML][HTML] Investigation of mechanical properties of PVA fiber-reinforced cementitious composites under the coupling effect of wet-thermal and chloride salt environment

P Zhang, S Wei, J Wu, Y Zhang, Y Zheng - Case Studies in Construction …, 2022 - Elsevier
In this study, the mechanical properties of polyvinyl alcohol fiber-reinforced cementitious
composites (PVA-FRCC) under the coupling effect of wet thermal and chloride salt …

Developing a sustainable concrete incorporating bentonite clay and silica fume: Mechanical and durability performance

M Ashraf, MF Iqbal, M Rauf, MU Ashraf, A Ulhaq… - Journal of Cleaner …, 2022 - Elsevier
The use of supplementary cementitious materials (SCMs) can improve the properties of
concrete, reduce pressure on natural resources and CO 2 emissions. However, certain …

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 …

Numerical study on cracking and its effect on chloride transport in concrete subjected to external load

Q Liu, Z Hu, X Wang, H Zhao, K Qian, L Li… - Construction and Building …, 2022 - Elsevier
Reinforced concrete (RC) structures have been severely threatened by chloride attacks
during long-term service, particularly under mechanical loading conditions. This study …

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 …

GPU-based discrete element model of realistic non-convex aggregates: Mesoscopic insights into ITZ volume fraction and diffusivity of concrete

W Xu, M Jia, W Guo, W Wang, B Zhang, Z Liu… - Cement and Concrete …, 2023 - Elsevier
Aggregates with realistic non-convex morphologies and their surrounding interfacial
transition zones (ITZs) significantly affect the diffusivity of concrete. Herein, we initially …

A graph‐based method for quantifying crack patterns on reinforced concrete shear walls

P Bazrafshan, T On, S Basereh… - … ‐Aided Civil and …, 2024 - Wiley Online Library
This paper presents an innovative method to quantify damage based on surface cracks of
reinforced concrete shear walls (RCSWs). The key idea is to use artificial intelligence and …

Vision‐based real‐time marine and offshore structural health monitoring system using underwater robots

P Jiao, X Ye, C Zhang, W Li… - Computer‐Aided Civil and …, 2024 - Wiley Online Library
Structural health monitoring (SHM) plays an increasingly vital role in guaranteeing the
operation success of marine and offshore (MO) structures while reducing their risks of …