Articles | Volume 15, issue 14
Research article
18 Jul 2018
Research article |  | 18 Jul 2018

Improving the strength of sandy soils via ureolytic CaCO3 solidification by Sporosarcina ureae

Justin Michael Whitaker, Sai Vanapalli, and Danielle Fortin


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Short summary
Materials, like soils or cements, can require repair. This study used a new bacterium (Sporosarcina ureae) in a repair method called "microbially induced carbonate precipitation" (MICP). In three trials, benefits were shown: S. ureae could make a model sandy soil much stronger by MICP, in fact better than a lot of other bacteria. However, MICP-treated samples got weaker in three trials of acid rain. In conclusion, S. ureae in MICP repair shows promise when used in appropriate climates.
Final-revised paper