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Microbiological induced carbonate (CaCO3) precipitation using clay phyllites to replace chemical stabilizers (cement or lime)

Author
Morales, L.; Garzón, E.; Romero, E.; Sánchez-Soto, P.J.
Type of activity
Journal article
Journal
Applied clay science
Date of publication
2019-06
Volume
174
First page
15
Last page
28
DOI
10.1016/j.clay.2019.03.018
URL
https://www.sciencedirect.com/science/article/pii/S0169131719300961 Open in new window
Abstract
The objective of the present study is to develop a biotechnological tool for a new application of clay phyllites as stabilized materials in linear works replacing chemical stabilizer (e.g. cement or lime) by natural cement, formed by precipitated calcium carbonate generated by microorganisms of the Bacillaceae family (Bacillus pasteurii). Part of the development process conducting a chemical and mineralogical characterization and an examination of physical and hydromechanical properties. The res...
Keywords
Clay phyllites Calcium carbonate MICP Compressibility Compaction energy Permeability Porosimetry Water retention
Group of research
MSR - Soil and Rock Mechanics

Participants