Methods for improving the microstructure of recycled concrete aggregate: A review

R Wang, N Yu, Y Li - Construction and Building Materials, 2020 - Elsevier
Recycled concrete aggregate (RCA) differ from natural aggregate as the former contains
attached mortar. Given the recycling process of RCA, that is, by crushing, the microstructure …

[HTML][HTML] Autogenous shrinkage of alkali-activated slag: A critical review

Z Li, Y Chen, JL Provis, Ö Cizer, G Ye - Cement and Concrete Research, 2023 - Elsevier
This paper provides a critical review on autogenous shrinkage of alkali-activated slag (AAS).
It is reported that AAS paste, mortar, and concrete generally show larger autogenous …

[HTML][HTML] Fracture properties and microstructure formation of hardened alkali-activated slag/fly ash pastes

S Zhang, Z Li, B Ghiassi, S Yin, G Ye - Cement and Concrete Research, 2021 - Elsevier
This study presents a comprehensive experimental investigation on the fracture properties of
hardened alkali-activated slag/fly ash (AASF) pastes in relation to the microstructure …

[HTML][HTML] Mechanisms of autogenous shrinkage of alkali-activated slag and fly ash pastes

Z Li, T Lu, X Liang, H Dong, G Ye - Cement and Concrete Research, 2020 - Elsevier
This study aims to provide a better understanding of the autogenous shrinkage of slag and
fly ash-based alkali-activated materials (AAMs) cured at ambient temperature. The main …

[HTML][HTML] Prediction of the autogenous shrinkage and microcracking of alkali-activated slag and fly ash concrete

Z Li, T Lu, Y Chen, B Wu, G Ye - Cement and Concrete Composites, 2021 - Elsevier
This study aims to predict the autogenous shrinkage of alkali-activated concrete (AAC)
based on slag and fly ash. A variety of analytical and numerical models are available for the …

[HTML][HTML] Internal curing by superabsorbent polymers in alkali-activated slag

Z Li, M Wyrzykowski, H Dong, J Granja… - Cement and Concrete …, 2020 - Elsevier
In this study, internal curing by superabsorbent polymers (SAP) is utilized to mitigate self-
desiccation and autogenous shrinkage of alkali-activated slag (AAS) pastes. Absorption and …

[HTML][HTML] Molecular dynamics and experimental study on the adhesion mechanism of polyvinyl alcohol (PVA) fiber in alkali-activated slag/fly ash

S Zhang, E Duque-Redondo, A Kostiuchenko… - Cement and Concrete …, 2021 - Elsevier
This paper aims to study the adhesion mechanism of polyvinyl alcohol (PVA) fiber within
alkali-activated slag/fly ash (AASF) matrix using molecular dynamics (MD) simulation in …

[HTML][HTML] Cracking potential of alkali-activated slag and fly ash concrete subjected to restrained autogenous shrinkage

Z Li, S Zhang, X Liang, G Ye - Cement and Concrete Composites, 2020 - Elsevier
This study aims to investigate the cracking potential of alkali-activated slag (AAS) and alkali-
activated slag-fly ash (AASF) concrete subjected to restrained autogenous shrinkage …

[HTML][HTML] Revealing corrosion parameters of steel in alkali-activated materials

A Runci, JL Provis, M Serdar - Corrosion science, 2023 - Elsevier
The long-term corrosion behaviour of reinforcing steel embedded in alkali-activated mortars
(AAMs) prepared with three different binder compositions was monitored over a 360-day …

Degradation of alkali-activated slag subjected to water immersion

C Liu, X Liang, Y Chen, Z Li, G Ye - Cement and Concrete Composites, 2023 - Elsevier
In this study, the impacts of tap water immersion on the pore solution, phase assemblages,
gel chemistry and structure, and pore structure of alkali-activated slag (AAS) pastes were …