Damping Properties and Microstructure Analysis of Microbial Consolidated Rubber Sand

Up to now, there are few reports on the application of microbial-induced calcium carbonate precipitation (MICP) consolidated rubber sand. By means of uniaxial or cyclic loading test and SEM test, the consolidation effect of rubber sand samples with different rubber particle content after MICP consol...

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Bibliographic Details
Published in:Advances in civil engineering 2021, Vol.2021 (1)
Main Author: Li, Pei
Format: Article
Language:English
Subjects:
Calcium carbonate
Civil engineering
Compressive strength
Consolidation
Cyclic loads
Damping ratio
Deformation
Deformation resistance
Earthquakes
Energy consumption
Energy dissipation
Microorganisms
Particle size
Rubber
Sand
Sand & gravel
Shear strength
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Summary:Up to now, there are few reports on the application of microbial-induced calcium carbonate precipitation (MICP) consolidated rubber sand. By means of uniaxial or cyclic loading test and SEM test, the consolidation effect of rubber sand samples with different rubber particle content after MICP consolidation is tested and analyzed. The results show that MICP is not affected by the amount of rubber particles; rubber particles improve the compressive strength and deformation ability of consolidated rubber sand samples and significantly enhance the damping ratio, resistance to deformation, and energy dissipation ability of consolidated rubber sand samples. Rubber sand after MICP consolidation is a good shock damping material. The conclusion of this paper provides reference data for the application of microbial-induced calcium carbonate precipitation consolidated rubber sand.
ISSN:1687-8086
1687-8094
DOI:10.1155/2021/2338000