PhD 
Lecturer, Griffith School of Engineering
Contact details for Dr Ivan Gratchev
Research expertise
- Soil Mechanics
- Soil Dynamics
- Slope failures
- Environmental geotechnics
- Liquefaction of fine-grained soils
- Consolidation of clayey soils
Current teaching areas
- Soil Mechanics
- Geotechnical Engineering Practice
Publications
- Gratchev, I., and Towhata, I. (2011). “Analysis of the mechanisms of slope failures triggered by the 2007 Chuetsu Oki earthquake.” Geotechnical and Geological Engineering, online first.
- Gratchev, I., Irsyam, M., Towhata, I., Muin, B., and Nawir, H. (2010). “Geotechnical aspects of the Sumatra earthquake of September 30, 2009, Indonesia.” Soils and Foundations, 51, 333-341.
- Gratchev, I. and Towhata, I. (2010). Compressibility of natural soils subjected to long-term acidic contamination. Environmental Earth Sciences, (accepted paper).
- Gratchev I. and Towhata, I. (2010). “Geotechnical characteristics of volcanic soil from seismically-induced Aratozawa landslide, Japan.” Landslides (online first).
- Gratchev, I. and Sassa, K. (2009). “Cyclic behavior of fine-grained soils at different pH values.” Journal of Geotechnical and Geoenvironmental Engineering ASCE, 135 (2), 271-279.
- Gratchev, I., Sassa, K., Osipov, V., Fukuoka, H., and Wang, G. (2007). "Undrained cyclic behavior of bentonite-sand mixtures and factors affecting it." Geotechnical and Geological Engineering, 25, 349-367.
- Gratchev, I., Sassa, K., Osipov, V., and Sokolov, V. (2006). "The liquefaction of clayey soils under cyclic loading." Engineering Geology, 86 (1), 70-84.
- Gratchev, I., Sassa, K., and Fukuoka, H. (2006). “How reliable is the plasticity index for estimating the liquefaction potential of clayey sands?” Journal of Geotechnical and Geoenvironmental Engineering ASCE, 132 (1), 124-127.