University of Oulu

Z. Abdollahnejad, M. Mastali, T. Luukkonen, P. Kinnunen, M. Illikainen, Fiber-reinforced one-part alkali-activated slag/ceramic binders, Ceramics International, 2018, ISSN 0272-8842,

Fiber-reinforced one-part alkali-activated slag/ceramic binders

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Author: Abdollahnejad, Z.1; Mastali, M.1; Luukkonen, T.1;
Organizations: 1Fiber and Particle Engineering, Faculty of Technology, Univ. of Oulu, P.O. Box 4300, 90014 Oulu, Finland
Format: article
Version: accepted version
Access: open
Online Access: PDF Full Text (PDF, 1.6 MB)
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Language: English
Published: Elsevier, 2018
Publish Date: 2020-02-16


In the present experimental/numerical study, a combination of ceramic waste and ground-granulated blast furnace slag were used in the preparation of one-part alkali-activated binders. Moreover, the effect of fiber type and content on hardened-state properties and shrinkage was studied under two different curing conditions. In the first stage of this study water absorption, compressive strength, and flexural strength were assessed. Subsequently, the flexural performance of fiber-reinforced binders was simulated and predicted using finite element models under concentrated and distributed flexural loading, respectively. The experimental results showed that fibers improved mechanical properties, and enhancement was governed by fiber type and curing conditions. Moreover, the numerical results indicated that the developed fiber-reinforced binders offer a flexural load-carrying capacity in the range of 10–40 kN/m² and permissible service loads were well below the ultimate capacity.

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Series: Ceramics international
ISSN: 0272-8842
ISSN-E: 1873-3956
ISSN-L: 0272-8842
Volume: 44
Issue: 8
Pages: 8963 - 8976
DOI: 10.1016/j.ceramint.2018.02.097
Type of Publication: A1 Journal article – refereed
Field of Science: 215 Chemical engineering
216 Materials engineering
Funding: This work was supported by the Finnish Funding Agency for Technology and Innovation (Tekes) (project GEOBIZ, grant number 1105/31/2016).
Copyright information: © 2018 Elsevier Ltd and Techna Group S.r.l. This manuscript version is made available under the CC-BY-NC-ND 4.0 license