Application of biological substances to increase the strength of materials and structures

Автор: Turakhujaeva Shirinkhon N., Turakhodjaeva Fazilatkhon N., Komolov Khayriddin, Karimov Kamolkhan A., Turakhodjaev Nodir J., Obidov Ziyodullo R., Shohiyon Almossho N., Abduvaliev Abdunabi M.

Журнал: Журнал Сибирского федерального университета. Серия: Техника и технологии @technologies-sfu

Рубрика: Исследования. Проектирование. Опыт эксплуатации

Статья в выпуске: 7 т.17, 2024 года.

Бесплатный доступ

This article explores the innovative field of bioconcrete, where bacteria, specifically Bacillus pasteurii, are employed to enhance the strength and durability of concrete structures. The key mechanism involves the bacteria’s ability to produce urease, catalyzing the hydrolysis of urea into carbonate and ammonia. The resulting carbonate ions react with calcium ions in the concrete, forming calcium carbonate (calcite), which fills cracks and pores in the structure. This process not only contributes to increased strength but also provides bioconcrete with remarkable self-healing properties.

Bacillus pasteurii, concrete, urease, calcium carbonate, degradation, durability

Короткий адрес: https://sciup.org/146282957

IDR: 146282957

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