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Effects of Fibre Type on the Performance of Fibre-Reinforced Alkali-Activated Slag Concrete
Alkali activated material (AAM) is attracting the attention of the scientific community. It showed outstanding mechanical properties comparing to that of the ordinary Portland cement (OPC) concrete. Moreover, concrete is a brittle material; hence, its behaviour under tensile stress is more critical, specially, under dynamic loads such as impact loads. Many techniques were proposed and tested to improve OPC concrete tensile strength such as fibre incorporation. However, more studies are still needed to ensure the compatibility of these techniques with AAM. In this study, the effects of different fibre types (Steel, Basalt, and polypropylene fibres) and dosages, along with AAM activator natural on the cracking tendency under loads were investigated. It was found that steel fibre can achieve relatively better performance compared to other fibres at the same incorporation level. The activator natural did significantly affect the mode of fibres failure (i.e. rupture or pull out).
Effects of Fibre Type on the Performance of Fibre-Reinforced Alkali-Activated Slag Concrete
Alkali activated material (AAM) is attracting the attention of the scientific community. It showed outstanding mechanical properties comparing to that of the ordinary Portland cement (OPC) concrete. Moreover, concrete is a brittle material; hence, its behaviour under tensile stress is more critical, specially, under dynamic loads such as impact loads. Many techniques were proposed and tested to improve OPC concrete tensile strength such as fibre incorporation. However, more studies are still needed to ensure the compatibility of these techniques with AAM. In this study, the effects of different fibre types (Steel, Basalt, and polypropylene fibres) and dosages, along with AAM activator natural on the cracking tendency under loads were investigated. It was found that steel fibre can achieve relatively better performance compared to other fibres at the same incorporation level. The activator natural did significantly affect the mode of fibres failure (i.e. rupture or pull out).
Effects of Fibre Type on the Performance of Fibre-Reinforced Alkali-Activated Slag Concrete
Lecture Notes in Civil Engineering
Walbridge, Scott (editor) / Nik-Bakht, Mazdak (editor) / Ng, Kelvin Tsun Wai (editor) / Shome, Manas (editor) / Alam, M. Shahria (editor) / el Damatty, Ashraf (editor) / Lovegrove, Gordon (editor) / Abubakr, A. (author) / Soliman, A. (author) / Diab, S. (author)
Canadian Society of Civil Engineering Annual Conference ; 2021
Proceedings of the Canadian Society of Civil Engineering Annual Conference 2021 ; Chapter: 28 ; 337-344
2022-05-24
8 pages
Article/Chapter (Book)
Electronic Resource
English
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