Dr. Ronald D. Andrus

Professor of Civil Engineering

Areas of Interest

Geotechnical Engineering
Soil Dynamics
Site Characterization
Non-Destructive Testing
Earthquake Engineering
Earthquake Hazard Mapping
Liquefaction

Education:

B.S., Geology and Mathematics, 1983, Brigham Young University
M.S., Civil Engineering, 1986, Brigham Young University
Ph.D., Civil Engineering, 1994, The University of Texas at Austin

Classes typically taught:

CE 3210 Geotechnical Engineering
CE 4910/6910 Ground Improvement Engineering
CE 8200 Geotechnical Site Characterization
CE 8210 Advanced Soil Mechanics
CE 8250 Soil Dynamics and Geotechnical Earthquake Engineering

Professional Registration

Professional Engineer in South Carolina

Professional Society Membership

American Society of Civil Engineers
Geo-Institute (GI)
International Society of Soil Mechanics and Geotechnical
Earthquake Engineering Research Institute
American Society for Engineering Education
Seismological Society of America

Sample Publications

Bwambale, B., Andrus, R.D., Gathro, J., Heidari, T., and Cramer, C. (2022). “Influence of Source-to-Site Distance and Diagenesis on Liquefaction Triggering of 200,000-year-old Beach Sand,” Engineering Geology, 298 (February).

Bwambale, B., and Andrus, R.D.  (2019).  “State of the Art in the Assessment of Aging Effects on Soil Liquefaction,” Soil Dynamics and Earthquake Engineering, 125(October).

Gathro, J.D., Bwambale, B., Andrus, R.D., and Heidari, T. (2018). “Liquefaction probability of three surficial sand units near Charleston, SC,” Proc., Geotechnical Earthquake Engineering and Soil Dynamics (GEESDV), Austin, TX, June 10-13.

Bwambale, B., and Andrus, R.D. (2017).  “Liquefaction resistance of Pleistocene loess-colluvium deposits near Christchurch, New Zealand,” Proc., 3^rd International Conference on Performance-based Design in Earthquake Geotechnical Engineering (PBD-III), Vancouver, BC, Canada, July 16-19, Paper 206.

Bwambale, B., Andrus, R.D., and Cubrinovski, M. (2017).  “Influence of age on liquefaction resistance of Holocene alluvial and marine soils in Christchurch and Kaiapoi, New Zealand,” Proc., 3^rd International Conference on Performance-based Design in Earthquake Geotechnical Engineering (PBD-III), Vancouver, BC, Canada, July 16-19, Paper 203.

Esposito, M.P., Andrus, R., and Ravichandran, N. (2017).  “Modeling the Response of a Pleistocene Sand during In Situ Liquefaction Testing,” Proc., Geotechnical Frontiers, Geotechnical Special Publication 281, ASCE, Orlando, Florida, March 12-15, pp. 309-320.

Farahmandfar, Z., Piratla, K.R., and Andrus, R.D. (2017).  “Resilience Evaluation of Water Supply Networks Against Seismic Hazards,” Journal of Pipeline Systems Engineering and Practice, ASCE, 8(1).

Esposito, M.P., and Andrus, R.D. (2017).  “Peak Shear Strength and Dilatancy of a Pleistocene Age Sand,” Journal of Geotechnical and Geoenvironmental Engineering, ASCE, 143(1).

Hossain, A.M., and Andrus, R.D. (2016).  “At-rest Lateral Stress Coefficient in Sands from Common Field Methods,” Journal of Geotechnical and Geoenvironmental Engineering, ASCE, 142(12). 

Aboye, S., Andrus, R.D., Ravichandran, N., Bhuiyan, A.H., and Harman, N. (2015).  “Seismic Site Factors and Design Response Spectra for Charleston, South Carolina,” Earthquake Spectra, EERI, 31(2), 723-744.

Aboye, S., Andrus, R.D., Ravichandran, N., Bhuiyan, A.H., Martin, J.R., and Harman, N. (2014).  “A New Seismic Site Coefficient Model Based on Conditions in the South Carolina Coastal Plain,” Bulletin of the Seismological Society of America, BSSA 104(6), 2866-2883.

Esposito, M.P., Andrus, R.D., and Camp, W.M. (2014).  “Ground Freezing and Sampling of a Pleistocene Sand Deposit near Charleston, South Carolina,” Journal of Geotechnical and Geoenvironmental Engineering, ASCE, 140(1), 185-193.

Hossain, A.M., Andrus, R.D., and Camp, W.M. (2013).  “Correcting Liquefaction Resistance of Unsaturated Soil Using Wave Velocity,” Journal of Geotechnical and Geoenvironmental Engineering, ASCE, 139(2), 277-287.

Heidari, T., and Andrus, R.D. (2012).  “Liquefaction Potential of Pleistocene Beach Sands in the Charleston Area, South Carolina,” Journal of Geotechnical and Geoenvironmental Engineering, ASCE, 138(10), 1196-1208.