Jason DeJong

Position Title

Professor

Director of the Center for Geotechnical Modeling

3101 Ghausi

Professor DeJong directs research driven by science-based inquiry to develop robust, practical methods and technologies for geotechnical practice.

Honors and Awards

2015 ASTM Hogentogler Award
2014 ICE TK Hsieh Prize
2013 ASCE Huber Research Prize
2011 Shamsher Prakash Research Award, Prakash Foundation
2007 Casagrande Professional Development Award, American Soc. of Civil Engineers
2003 International Hogentogler Award, American Society for Testing and Materials
2003 Lilly Teaching Fellow, University of Massachusetts Amherst.

Publications

1st Prakash Lecture: The Influence of Soil Gradation on the Penetration Resistance and Dynamic Response of Level and Sloping Ground
Conference Paper | DeJong, J., Martinez, A., Ziotopoulou, K., Carey, T., Wilson, D. Array, 1-23. 10.1061/9780784486719.001
An Investigation on the Interactions between Two Root Elements in Sand during Pullout
Conference Paper | Liu, S., Martinez, A., DeJong, J. Array, 291-300. 10.1061/9780784486719.029
Brief communication: Hypergravity testing of thawing rates in frozen sand
Journal Article | Gardner, M., Buttery, S., Ham, S., Khan, H., Wilson, D., DeJong, J. The Cryosphere, 20, 3405-3413. 10.5194/tc-20-3405-2026
Centrifuge Model Tests to Investigate the Effect of Microbially Induced Calcite Precipitation Treatment Extent within a Loose Liquefiable Sand Profile
Journal Article | Reardon, A., Carey, T., DeJong, J. Journal of Geotechnical and Geoenvironmental Engineering, 152, 04026069. 10.1061/jggefk.gteng-13854
Consideration of spatial variability and environmental impacts in the probabilistic design of driven piles
Journal Article | de Melo, D., DeJong, J. Canadian Geotechnical Journal, 63, 1-18. 10.1139/cgj-2025-0414
See publications and more on Aggie Experts: https://experts.ucdavis.edu/expert/9Jvm3UR3