Multiscale X-ray tomography of cementitious materials: A review

S Brisard, M Serdar, PJM Monteiro - Cement and Concrete Research, 2020 - Elsevier
X-ray computed tomography (CT) is a non-destructive technique that offers a 3D insight into
the microstructure of thick (opaque) samples with virtually no preliminary sample …

Research progress on cement-based materials by X-ray computed tomography

W Kong, Y Wei, S Wang, J Chen, Y Wang - International Journal of …, 2020 - Springer
X-ray computed tomography (CT), as an imaging technique, has played an important role in
the area of material characterization in civil engineering during the past 40 years. It has …

[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 …

Types of alkali–aggregate reactions and the products formed

A Leemann, T Katayama, I Fernandes… - Proceedings of the …, 2016 - icevirtuallibrary.com
The alkali–aggregate reaction comprises the alkali–silica reaction (ASR) and the alkali–
carbonate reaction (ACR). Reaction kinetics of the ASR depends on the grain size and …

Reduced alkali-silica reaction damage in recycled glass mortar samples with supplementary cementitious materials

S Guo, Q Dai, X Sun, X Xiao, R Si, J Wang - Journal of Cleaner Production, 2018 - Elsevier
Recycling waste glass aggregate into concrete can reduce environmental impacts but also
may lead to serious alkali silica reaction (ASR) damage. This study aims to characterize …

[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] 4D imaging and quantification of the effect of a Phosphate-Based treatment on building materials by means of synchrotron X-ray Microtomography: New …

G Massinelli, E Possenti, C Colombo, GD Gatta… - … and Building Materials, 2023 - Elsevier
Diammonium hydrogen phosphate (DAP) solutions are used as consolidants for carbonate
stone materials through the crystallization whithin the original matrix of newly formed …

Influence of waste tire rubber powder, polypropylene fiber and their binary blends on mitigating alkali-silica reaction

P Gao, Y Wang, Y Wang, H Zhou, G Xue - Journal of Building Engineering, 2023 - Elsevier
This work aims to investigate the inhibitory effect and inhibitory mechanism of waste tire
rubber powder (abbreviated as WRP) and polypropylene fiber (PPF), and their binary blends …

Initial sequence for alkali-silica reaction: Transport barrier and spatial distribution of reaction products

T Kim, MF Alnahhal, QD Nguyen, P Panchmatia… - Cement and Concrete …, 2019 - Elsevier
Alkali-silica reaction (ASR) is the result of complex chemical reactions. The exact sequence
of ASR gel formation has yet to be fully understood. One promising hypothesis is that ASR …

Impact of laboratory-accelerated aging methods to study alkali–silica reaction and reinforcement corrosion on the properties of concrete

A Attar, B Gencturk, H Aryan, J Wei - Materials, 2020 - mdpi.com
This study focuses on two separate investigations of the main aging mechanisms: alkali–
silica reactivity (ASR) and the corrosion of reinforcing steel (rebar) concrete, both of which …