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Microbial Carbonate Precipitation as a Soil Improvement Technique
Abstract
In order to evaluate MCP as a soil strengthening process, a five meter sand column was treated with bacteria and reagents under conditions that were realistic for field applications. The injection and reaction parameters were monitored during the process and both bacteria and process reagents could be injected over the full column length at low pressures (hydraulic gradient < 1; a flow rate of approximately 7 m/day) without resulting in clogging of the material. After treatment, the column was subjected to mechanical testing, which indicated a significant improvement of strength and stiffness over several meters. Calcium carbonate was precipitated over the entire five meter treatment length. Improvement of the load bearing capacity of the soil without making the soil impermeable to fluids was shown with microbial carbonate precipitation, and this is a unique property compared to alternative soil treatment methods that are currently available for use in the subsurface.
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Citations
Cited by
Quantifying Biomediated Ground Improvement by Ureolysis: Large-Scale Biogrout Experiment
van Paassen, L. A., Ghose, R., van der Linden, T. J. M., van der Star, W. R. L., & van Loosdrecht, M. C. M. (2010) · Journal of Geotechnical and Geoenvironmental Engineering · doi:10.1061/(asce)gt.1943-5606.0000382 · Cited by 965
Self-citationCastro-Alonso, M. J., Montañez-Hernandez, L. E., Sanchez-Muñoz, M. A., Macias Franco, M. R., Narayanasamy, R., & Balagurusamy, N. (2019) · Frontiers in Materials · doi:10.3389/fmats.2019.00126 · Cited by 563
Liquefaction resistance of bio-cemented calcareous sand
Xiao, P., Liu, H., Xiao, Y., Stuedlein, A. W., & Evans, T. M. (2018) · Soil Dynamics and Earthquake Engineering · doi:10.1016/j.soildyn.2018.01.008 · Cited by 445
Mechanical Behavior of Sands Treated by Microbially Induced Carbonate Precipitation
Lin, H., Suleiman, M. T., Brown, D. G., & Kavazanjian, E. (2016) · Journal of Geotechnical and Geoenvironmental Engineering · doi:10.1061/(asce)gt.1943-5606.0001383 · Cited by 332
Sharma, M., Satyam, N., & Reddy, K. R. (2020) · Journal of Hazardous Toxic and Radioactive Waste · doi:10.1061/(asce)hz.2153-5515.0000548 · Cited by 65
Metadata
- Authors
- Whiffin, V. S., van Paassen, L. A., & Harkes, M. P.
- Venue
- Geomicrobiology Journal
- Publisher
- Informa UK Limited
- Published
- 2007-08-14
- Volume
- 24
- Issue
- 5
- Pages
- 417-423
- ISSN
- 0149-0451 (ISSN-L)
- 1521-0529
- OpenAlex
- W2070394663
- Cited by
- 1,945
- References
- 0
- FWCI
- 10.09
- Type
- journal article
- Language
- en
- Open access
- closed
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- Whiffin, V. S., van Paassen, L. A., & Harkes, M. P. (2007). Microbial Carbonate Precipitation as a Soil Improvement Technique. Geomicrobiology Journal. https://doi.org/10.1080/01490450701436505
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
