A Review on Biological Consideration in Geo-Technical Engineering
Keywords:
Geotechnical Engineering, Permeability, Bio-Mineralization, Soil Improvement, Calcite PrecipitationAbstract
In terms of performance and environmental sustainability, the idea of using biological processes in soil improvement, also known as bio-mediated soil improvement technique, has demonstrated significant potential in geotechnical engineering applications. The soil microorganisms in charge of this process are reviewed in this research, along with the variables influencing their metabolic processes and geometric compatibility with soil particle sizes. Moreover, two biomineralization mechanisms, biologically induced mineralization, and biologically regulated mineralization, were addressed. Environmental and other potential in-situ influences on the process of microbially induced calcite precipitation (MICP) were found and presented. Improvements in the permeability and strength/stiffness of soil, as measured in several research, were investigated.
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