Preliminary tests for application of carbon nanotubes and Bacillus sphaericus bacteria in self-healing cement mortars
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Bibliographic Details
| Author(s): |
Eryk Goldmann
(Department of Structural Engineering, Faculty of Civil Engineering, Silesian University of Technology, Gliwice, Poland)
Marcin Górski (Department of Structural Engineering, Faculty of Civil Engineering, Silesian University of Technology, Gliwice, Poland) Barbara Klemczak (Department of Structural Engineering, Faculty of Civil Engineering, Silesian University of Technology, Gliwice, Poland) Aleksandra Ziembińska-Buczyńska (Department of Environmental Biotechnology, Faculty of Environmental Engineering, Silesian University of Technology, Gliwice, Poland) |
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| Medium: | conference paper | ||||
| Language(s): | English | ||||
| Conference: | IABSE Symposium: Construction’s Role for a World in Emergency, Manchester, United Kingdom, 10-14 April 2024 | ||||
| Published in: | IABSE Symposium Manchester 2024 | ||||
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| Page(s): | 769-774 | ||||
| Total no. of pages: | 6 | ||||
| DOI: | 10.2749/manchester.2024.0769 | ||||
| Abstract: |
Self-healing in concrete is a popular and developing topic, which utilizes both biotic and abiotic mechanisms to close micro-cracks. Nano additives such as carbon nanotubes (CNT) improve the cement material’s resistance to cracks but could also influence the survivability of microorganisms in concrete. A combination of CNT and calcium carbonate precipitating bacteria might lead to both improvement of concrete’s durability and provide self-healing properties, while increasing the survivability of the microorganisms in the environment of the cement-based material. The presented research focuses on preliminary tests of the influence of the Bacillus sphaericus bacteria and low addition of CNT on the cement mortar’s strength and survivability of microorganisms in the environment of cement matrix. Strength tests and biotic control were performed to provide data to modify the mix for further tests concerning mechanical properties and survival of microorganisms. |
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| Keywords: |
self-healing Carbon nanotubes cement mortars Bacillus sphaericus cementitious composite
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