University of Oulu

Perumal, P., Nguyen, H., Carvelli, V., Kinnunen, P., & Illikainen, M. (2022). High strength fiber reinforced one-part alkali activated slag composites from industrial side streams. Construction and Building Materials, 319, 126124.

High strength fiber reinforced one-part alkali activated slag composites from industrial side streams

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Author: Perumal, Priyadharshini1; Nguyen, Hoang1; Carvelli, Valter2;
Organizations: 1Fibre and Particle Engineering Research Unit, University of Oulu, Pentti Kaiteran katu 1, 90014 Oulu, Finland
2Department A.B.C., Politecnico di Milano, Piazza Leonardo Da Vinci 32, 20133 Milan, Italy
Format: article
Version: published version
Access: open
Online Access: PDF Full Text (PDF, 10.4 MB)
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Language: English
Published: Elsevier, 2022
Publish Date: 2022-07-07


This paper details the effect of fiber reinforcement on mechanical characteristics of by-products based one-part alkali activated material (AAM). Two different binder matrices were considered in this study, such as, plain slag, and ternary blended slag, to understand their efficiency in fiber reinforced system. These matrices were reinforced with 1% v/v of three different fibers (steel, glass and basalt) to improve the flexural performance of high strength mortar blends. Steel fiber reinforced one-part AAM outperforms mineral fibers in compressive strength contribution. The fracture energy of steel fiber reinforced compositions was roughly 4 times higher than that of mineral fiber reinforced materials. In addition, the flexural performance of ternary blended matrix was higher than that of slag-based composition regardless fiber types and properties. Finally, preliminary finite element modelling was considered to assess the applicability of the concrete damage plasticity constitutive model in predicting the nonlinear behavior of the developed composites. The numerical predictions proved the accuracy of the model with good agreement between experimental and numerical results.

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Series: Construction & building materials
ISSN: 0950-0618
ISSN-E: 1879-0526
ISSN-L: 0950-0618
Volume: 319
Article number: 126124
DOI: 10.1016/j.conbuildmat.2021.126124
Type of Publication: A1 Journal article – refereed
Field of Science: 216 Materials engineering
Funding: The authors gratefully acknowledge the financial support received from the project GEOMINS [grant ID: 319676]. P.P. gratefully acknowledges the financial support received from the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska Curie grant agreement No [839848].
EU Grant Number: (839848) W2W - Waste to Wealth (W2W): A total solution for municipal solid waste incinerated ash in geopolymer concrete
Academy of Finland Grant Number: 319676
Detailed Information: 319676 (Academy of Finland Funding decision)
Copyright information: © 2021 The Author(s). Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license.