Publications

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Journal Publications:

Burdalski, R.J., Ribeiro, B.G.O., Gomez, M.G., Gorman-Lewis, D. (2022). Mineralogy, Morphology, and Reaction Kinetics of Ureolytic Bio-cementation in the Presence of Seawater Ions and Varying Soil Materials. Scientific Reports. 12(1), 17100. https://www.nature.com/articles/s41598-022-21268-3

Humire, F., Lee, M., Ziotopoulou, K., Gomez, M.G., & DeJong, J.T. (2022). Development and Evaluation of Preconditioning Protocols for Sand Specimens in Constant-Volume Cyclic Direct Simple Shear Tests. ASTM Geotechnical Testing Journal. https://www.astm.org/gtj20210028.html

Lee, M., Gomez, M.G., El Kortbawi, M., & Ziotopoulou, K. (2021). Effect of Light Bio-cementation on the Liquefaction Triggering and Post-Triggering Behavior of Loose Sands. Journal of Geotechnical and Geoenvironmental Engineering. https://ascelibrary.org/doi/10.1061/%28ASCE%29GT.1943-5606.0002707

Graddy, C.M.R., Gomez, M.G., DeJong, J.T.,& Nelson, D.C. (2021). Native Bacterial Community Convergence in Augmented and Stimulated Ureolytic MICP Biocementation. Environmental Science & Technology. DOI: 10.1021/acs.est.1c01520. https://pubs.acs.org/doi/10.1021/acs.est.1c01520

San Pablo, A.C.M, Lee, M., Graddy, C.M.R., Kolbus, C.M., Khan, M., Zamani, A., Martin, N., Acuff, C., DeJong, J.T., Gomez, M.G., & Nelson, D.C. (2019). Meter-scale Bio-cementation Experiments to Advance Process Control and Reduce Impacts: Examining Spatial Control, Ammonium By-product Removal, and Chemical Reductions. Journal of Geotechnical and Geoenvironmental Engineering. https://ascelibrary.org/doi/10.1061/%28ASCE%29GT.1943-5606.0002377

Lee, M., Gomez, M.G., San Pablo, A.C.M., Kolbus, C.M., Graddy, C.M.R., DeJong, J.T., & Nelson, D.C. (2019). Investigating Ammonium By-product Removal for Ureolytic Bio-cementation Using Meter- scale Experiments. Nature Scientific Reports. https://www.nature.com/articles/s41598-019-54666-1

Gomez, M.G., Graddy, C.M.R., DeJong, J.T., and Nelson, D.C. (2019). “Biogeochemical Changes During Bio-cementation Mediated by Stimulated and Augmented Ureolytic Microorganisms.” Nature Scientific Reports. https://www.nature.com/articles/s41598-019-47973-0

Darby, K. M., Hernandez, G.L., DeJong, J.T., Boulanger, R.W., Gomez, M.G., & Wilson, D.W. (2019). Centrifuge Model Testing of Liquefaction Mitigation via Microbially Induced Calcite Precipitation. Journal of Geotechnical and Geoenvironmental Engineering. https://ascelibrary.org/doi/abs/10.1061/%28ASCE%29GT.1943-5606.0002122?af=R

Martinez, A., Huang, L., Gomez, M.G. (2019). “Thermal Conductivity of MICP-treated Sands at Varying Degrees of Saturation.” Géotechnique Letters. https://www.icevirtuallibrary.com/doi/abs/10.1680/jgele.18.00126 

Graddy, C.M.R., Gomez, M.G., Kline, L.M., Morrill, S.R., DeJong, J.T. and Nelson, D.C. (2018). “Diversity of Sporosarcina-Like Bacterial Strains Obtained from Meter-Scale Augmented and Stimulated Bio-cementation Experiments.” Environmental Science & Technology. https://pubs.acs.org/doi/abs/10.1021/acs.est.7b04271

Gomez, M.G., DeJong, J.T., Anderson, C.M. (2018). “Effect of Bio-cementation on Geophysical and Cone Penetration Measurements in Sands.” Canadian Geotechnical Journal. http://www.nrcresearchpress.com/doi/10.1139/cgj-2017-0253

Nassar, M. K., Gurung, D., Bastani, M., Ginn, T. R., Shafei, B., Gomez, M.G., Graddy, C. M. R., Nelson, D. C., DeJong, J. T. (2018). Large-scale Experiments in Microbially Induced Calcite Precipitation (MICP): Reactive Transport Model Development and Prediction. Water Resources Research, 54. http://onlinelibrary.wiley.com/doi/10.1002/2017WR021488/full

Gomez, M.G., Graddy, C.R.M., DeJong, J.T., Nelson, D.C., Tsesarsky, M. (2018). “Stimulation of Native Microorganisms for Bio-cementation at Field Scale Treatment Depths.” Journal of Geotech. and Geoenviron. Eng., 144(1), 04017098 https://ascelibrary.org/doi/abs/10.1061/%28ASCE%29GT.1943-5606.0001804

Gomez, M.G., Anderson, C.M., DeJong, J.T., Nelson, D.C., Graddy, C.M.R., and Ginn, T.R. (2016). “Large-scale Comparison of Bioaugmentation and Biostimulation Approaches for Bio-cementation of Sands.” Journal of Geotech. and Geoenviron. Eng., Published. http://ascelibrary.org/doi/abs/10.1061/(ASCE)GT.1943-5606.0001640

Gomez, M.G., Martinez, B.C., DeJong, J.T., Hunt, C.E., deVlaming, L.A., Major, D.W., and Dworatzek, S.M. (2015). “Field Scale Bio-cementation Tests to Improve Sands”, Ground Improvement, 168(3), pp. 206-216. http://www.icevirtuallibrary.com/doi/pdf/10.1680/grim.13.00052

Conference Publications:

DeJong, J.T., Gomez, M.G., San Pablo, A.C., Graddy, C.M.R., Nelson, D.C., Lee, M., Ziotopoulou, K., Montoya, B., Kwon, T.H.(2022). “State of the Art: MICP soil improvement and its application to liquefaction hazard mitigation”, Proceedings of the 20th International Conference on Soil Mechanics and Geotechnical Engineering, Sydney 2022. 105 pp. Paper & Presentation Recording

Lee, M., Gomez, M.G., San Pablo, A.C., Graddy, C.M.R., DeJong, J.T., Nelson, D.C. (2022). “Enhancing the uniformity and extent of bio-cementation soil improvement: physical experiments and reactive transport modelling”, Proceedings of the 20th International Conference on Soil Mechanics and Geotechnical Engineering, Sydney 2022. Paper & Presentation Recording

Ribeiro, B.G.O., & Gomez, M.G. (2022). Investigating the Dissolution Behavior of Calcium Carbonate Bio-Cemented Sands. In Geo-Congress 2022 (pp. 385-395). https://ascelibrary.org/doi/abs/10.1061/9780784484012.040

Martinez, A., Huang, L., & Gomez, M.G. (2020). Enhancement of the thermal conductivity of sands via microbially-induced calcite precipitation. In E3S Web of Conferences (Vol. 205, p. 09011). EDP Sciences. https://www.e3s-conferences.org/articles/e3sconf/pdf/2020/65/e3sconf_icegt2020_09011.pdf

Lee, M., El Kortbawi, M., Gomez, M.G., Ziotopoulou, K., (2020). “Examining the Liquefaction Resistance of Lightly Cemented Sands Using Microbially Induced Calcite Precipitation (MICP)”, ASCE GeoCongress 2020, Minneapolis, MN. https://ascelibrary.org/doi/10.1061/9780784482834.007

Burdalski, R., Gomez, M.G. (2020). “Investigating the Effects of Biogeochemical Conditions During Microbially Induced Calcite Precipitation (MICP) Soil Improvement”, ASCE GeoCongress 2020, Minneapolis, MN. https://ascelibrary.org/doi/10.1061/9780784482834.010

San Pablo, A.C., Lee, M., Graddy, C.M.R., Kolbus, C.M., Zamani, A., Khan, M., Acuff, C., Martin, N., Gomez, M.G., DeJong, J.T., Nelson, D.C. (2020). “Meter-scale Soil Column Experiments to Examine Spatial Control of Bio-cementation Soil Improvement”, ASCE GeoCongress 2020, Minneapolis, MN. https://ascelibrary.org/doi/10.1061/9780784482780.044

Lee, M., Kolbus, C.M., Yepez, A.D., Gomez, M.G. (2019). “Investigating Ammonium By-Product Removal Following Stimulated Ureolytic Microbially-Induced Calcite Precipitation”, ASCE GeoCongress 2019, Philadelphia, PA. https://ascelibrary.org/doi/10.1061/9780784482117.026

El Kortbawi, M., Ziotopoulou, K., Lee, M., Gomez, M.G. (2019). “Validation of a Bounding Surface Plasticity Model against the Experimental Response of (Bio-) Cemented Sands”, ASCE GeoCongress 2019, Philadelphia, PA. https://ascelibrary.org/doi/10.1061/9780784482100.021

Darby, K.M., Hernandez, G.L., Gomez, M.G., DeJong, J.T., Wilson, D., Boulanger, R.W. (2018). Centrifuge Model Testing of Liquefaction Mitigation via Microbially Induced Calcite Precipitation. GEESDV Technical Papers, 10 pp. https://ascelibrary.org/doi/10.1061/9780784481455.012

DeJong, J.T, Gomez, M.G., Waller, J.T., Viggiani G. (2017). “Influence of Bio-Cementation on Shearing Behavior of Sand using X-ray Computed Tomography”, GeoFrontiers 2017 Technical Papers, 12 pp. http://ascelibrary.org/doi/abs/10.1061/9780784480472.093

Gomez, M.G., DeJong, J.T (2017). “Engineering Properties of Bio-cementation Improved Sandy Soils”, Grouting 2017 Technical Papers, 11 pp. https://ascelibrary.org/doi/abs/10.1061/9780784480793.003

Gomez, M.G., DeJong, J.T., Anderson, C.M., Nelson, D.C., Graddy, C.M. (2016). “Large-Scale Bio-cementation Improvement of Sands”, Geotechnical and Structural Engineering Congress 2016 Technical Papers, 9 pp. http://ascelibrary.org/doi/abs/10.1061/9780784479742.079

DeJong, J.T., Proto, C., Kuo, M., and Gomez, M.G. (2014). “Bacteria, Bio-films, and Invertebrates… the Next Generation of Geotechnical Engineers?”, GeoCongress 2014 Technical Papers, pp. 3959-3968. http://ascelibrary.org/doi/abs/10.1061/9780784413272.384

Gomez, M.G., Anderson, C.M., DeJong, J.T., Nelson, D.C., and Lau, X.H. (2014). “Stimulating In-Situ Soil Bacteria for Bio-Cementation of Sands”, GeoCongress 2014 Technical Papers, pp. 1674-1682. http://ascelibrary.org/doi/abs/10.1061/9780784413272.164

Gomez, M.G., DeJong, J.T., Martinez, B.C., Hunt, C.E., deVlaming, L.A., Major, D.W., and Dworatzek, S.M. (2013). “Bio-mediated Soil Improvement Field Study to Stabilize Mine Sands”, Géo-Montréal 2013 Technical Papers, 8 pp. https://www.researchgate.net/publication/272090556_Bio-mediated_Soil_Improvement_Field_Study_to_Stabilize_Mine_Sands