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Autogenous Healing Mortar Made of Alginate-Encapsulated Geobacillus Stearothermophilus
Abstract The autogenous healing by microbial induced calcite precipitation (MICP) has become significant interest in sustainable approaches on concrete repair and maintenance. Alginate-encapsulated Geobacillus stearothermophilus is introduced as a new smart material for self-healing concrete. Its effects on concrete performance were evaluated with regard to strength enhancement and healing efficiency. The aim of this study was to optimize bacteria cell concentration and alginate-encapsulated Geobacillus stearothermophilus (AE-GS) composition in the concrete mixture in order to obtain the maximum healing capacity by using response surface methodology approach. Verification tests have shown the successful relation developed by statistical treatments; due to the potential of Geobacillus stearothermophilus immobilized into sodium alginate gels that can act as a guideline in the mixture proportion of autogenous healing concrete in a future.
Autogenous Healing Mortar Made of Alginate-Encapsulated Geobacillus Stearothermophilus
Abstract The autogenous healing by microbial induced calcite precipitation (MICP) has become significant interest in sustainable approaches on concrete repair and maintenance. Alginate-encapsulated Geobacillus stearothermophilus is introduced as a new smart material for self-healing concrete. Its effects on concrete performance were evaluated with regard to strength enhancement and healing efficiency. The aim of this study was to optimize bacteria cell concentration and alginate-encapsulated Geobacillus stearothermophilus (AE-GS) composition in the concrete mixture in order to obtain the maximum healing capacity by using response surface methodology approach. Verification tests have shown the successful relation developed by statistical treatments; due to the potential of Geobacillus stearothermophilus immobilized into sodium alginate gels that can act as a guideline in the mixture proportion of autogenous healing concrete in a future.
Autogenous Healing Mortar Made of Alginate-Encapsulated Geobacillus Stearothermophilus
Raden Maizatul Aimi, M. A. (author) / Khalilah, K. (author) / Noor Hana, H. (author) / Hamidah, M. S. (author)
InCIEC 2015 ; 601-619
2016-01-01
19 pages
Article/Chapter (Book)
Electronic Resource
English
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