Alkali-activated materials: advances on accelerated and long-term durability assessment and methodologies�a short review
Developments in material testing have brought about the invention of some durability assessment methodologies for alkali-activated materials. This study reported advances in accelerated and long-term durability assessment and methodologies for alkali-activated composites (AAC). For both alkali-activ...
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Springer Science and Business Media Deutschland GmbH
2022
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my.utp.eprints.334962022-09-07T07:05:13Z Alkali-activated materials: advances on accelerated and long-term durability assessment and methodologies�a short review Awoyera, P.O. Bheel, N. Adesina, A. Olalusi, O.B. Developments in material testing have brought about the invention of some durability assessment methodologies for alkali-activated materials. This study reported advances in accelerated and long-term durability assessment and methodologies for alkali-activated composites (AAC). For both alkali-activated materials (AAM) and ordinary Portland cement (OPC)-based composites, the common methods such as increased acid concentration, standard non-accelerated test, wetting and drying cycling, brushing were assessed. The study assessed common methods: increased acid concentration, standard non-accelerated test, wetting and drying cycling, and brushing. The discussion also identified the limitations associated with the accelerated and long-term durability assessment in AAM composite. Some limitations include concrete pore solution concentration, precursor type, and admixture. In AAMs, pore size is within ranges > 1 μm and < 20 nm, which is an indication of insignificant porosity. Also, the compressive strength coefficient of AAM mortars was better than the cement mortar after 75 cycles. Finally, the study revealed the most appropriate mechanism for measuring the durability of AAM composite, which could be well utilized in the construction field. © 2022, Springer Nature Switzerland AG. Springer Science and Business Media Deutschland GmbH 2022 Article NonPeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-85135254767&doi=10.1007%2fs41062-022-00894-w&partnerID=40&md5=94de29c2823759319137bf6960879c1b Awoyera, P.O. and Bheel, N. and Adesina, A. and Olalusi, O.B. (2022) Alkali-activated materials: advances on accelerated and long-term durability assessment and methodologies�a short review. Innovative Infrastructure Solutions, 7 (5). http://eprints.utp.edu.my/33496/ |
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Developments in material testing have brought about the invention of some durability assessment methodologies for alkali-activated materials. This study reported advances in accelerated and long-term durability assessment and methodologies for alkali-activated composites (AAC). For both alkali-activated materials (AAM) and ordinary Portland cement (OPC)-based composites, the common methods such as increased acid concentration, standard non-accelerated test, wetting and drying cycling, brushing were assessed. The study assessed common methods: increased acid concentration, standard non-accelerated test, wetting and drying cycling, and brushing. The discussion also identified the limitations associated with the accelerated and long-term durability assessment in AAM composite. Some limitations include concrete pore solution concentration, precursor type, and admixture. In AAMs, pore size is within ranges > 1 μm and < 20 nm, which is an indication of insignificant porosity. Also, the compressive strength coefficient of AAM mortars was better than the cement mortar after 75 cycles. Finally, the study revealed the most appropriate mechanism for measuring the durability of AAM composite, which could be well utilized in the construction field. © 2022, Springer Nature Switzerland AG. |
| format |
Article |
| author |
Awoyera, P.O. Bheel, N. Adesina, A. Olalusi, O.B. |
| spellingShingle |
Awoyera, P.O. Bheel, N. Adesina, A. Olalusi, O.B. Alkali-activated materials: advances on accelerated and long-term durability assessment and methodologies�a short review |
| author_facet |
Awoyera, P.O. Bheel, N. Adesina, A. Olalusi, O.B. |
| author_sort |
Awoyera, P.O. |
| title |
Alkali-activated materials: advances on accelerated and long-term durability assessment and methodologies�a short review |
| title_short |
Alkali-activated materials: advances on accelerated and long-term durability assessment and methodologies�a short review |
| title_full |
Alkali-activated materials: advances on accelerated and long-term durability assessment and methodologies�a short review |
| title_fullStr |
Alkali-activated materials: advances on accelerated and long-term durability assessment and methodologies�a short review |
| title_full_unstemmed |
Alkali-activated materials: advances on accelerated and long-term durability assessment and methodologies�a short review |
| title_sort |
alkali-activated materials: advances on accelerated and long-term durability assessment and methodologies�a short review |
| publisher |
Springer Science and Business Media Deutschland GmbH |
| publishDate |
2022 |
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https://www.scopus.com/inward/record.uri?eid=2-s2.0-85135254767&doi=10.1007%2fs41062-022-00894-w&partnerID=40&md5=94de29c2823759319137bf6960879c1b http://eprints.utp.edu.my/33496/ |
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