Mechanism understanding of alkali-silica reaction in alkali-activated materials system

W Wang, T Noguchi, I Maruyama - Cement and Concrete Research, 2022 - Elsevier
To provide a better understanding of the mechanism of alkali-silica reaction (ASR) in alkali-
activated materials (AAMs) system, in this work, the ASR behavior of alkali-activated slag …

[HTML][HTML] Effect of the chemical composition of synthetic alkali-silica gels on their structure, swelling behavior and water uptake

ME Krüger, H Hilbig, L Stelzner, A Machner - Cement and Concrete …, 2024 - Elsevier
For alkali-silica reaction (ASR) gels, the relationship between swelling expansion, structure
and chemical composition, particularly the effect of aluminum, remains unknown. This study …

Mitigation of alkali-silica reaction by limestone calcined clay cement (LC3)

QD Nguyen, T Kim, A Castel - Cement and Concrete Research, 2020 - Elsevier
The study aims to investigate the influence of limestone calcined clay cement (LC3) on the
alkali-silica reaction (ASR). Kinetics and sequence of ASR formation were monitored using …

Influences of composition and reaction conditions on molecular structure, hygroscopicity, and swelling behavior of alkali-silica reaction gels

A Sinha, J Wei - Cement and Concrete Composites, 2024 - Elsevier
Alkali-silica reaction (ASR) gel, a product of the reactions between the dissolved silica from
aggregate and the alkalis from cement, governs the destructiveness of ASR and concrete …

Impact of exposure conditions on alkali-silica reaction in alkali-activated material systems

W Wang, I Maruyama, T Noguchi - Cement and Concrete Composites, 2024 - Elsevier
The influence of different testing methods on alkali-silica reaction (ASR) behavior is a result
of the difference in the effect of exposure conditions on it. This study investigated the impact …

Long-term investigation of alkali-silica reaction behaviors in seawater sea-sand concrete

Y Zhang, X Xu, Q Zhao, J Chang, S Ding, X Liu… - Cement and Concrete …, 2024 - Elsevier
The potential sustainability and cost-effectiveness of seawater sea-sand concrete (SWSSC)
have sparked widespread research interest and prompted extensive applied studies …

[HTML][HTML] Alkali-silica reaction products and cracks: X-ray micro-tomography-based analysis of their spatial-temporal evolution at a mesoscale

M Shakoorioskooie, M Griffa, A Leemann… - Cement and Concrete …, 2021 - Elsevier
In this study, we propose a laboratory-scale methodology, based on X-ray micro-tomography
and caesium (Cs) as a contrast agent, to advance the understanding of cracking due to …

[HTML][HTML] Quantitative analysis of the evolution of ASR products and crack networks in the context of the concrete mesostructure

M Shakoorioskooie, M Griffa, A Leemann… - Cement and Concrete …, 2022 - Elsevier
Methodological challenges have long been an obstacle for the understanding of damage in
concrete due to the alkali-silica reaction (ASR). Time-lapse X-ray tomography could be key …

Phase evolution and mechanical-hydroscopic properties of alkali-silica reaction gels modified by magnesium nitrate

A Sinha, J Wei - Cement and Concrete Composites, 2023 - Elsevier
Abstract Alkali-silica reaction (ASR)'s destructiveness is governed by the compositions and
properties of ASR products, while methods of converting these hygroscopic-expansive gel …

Phase, structure, and hygroscopic property evolutions of alkali-silica reaction gels under freeze drying

A Sinha, J Wei - Cement and Concrete Research, 2024 - Elsevier
Abstract Alkali-silica reaction (ASR), a detrimental process causing volume expansion and
cracking in concrete by forming hygroscopic and swellable gel-like products, has been a …