"Unfortunately, soils are made by nature and not by man, and the products of nature are always complex… "

Karl Terzaghi (1883-1963)

Research Interest

Advanced Geotechnical Laboratory Testing
Soil Dynamics
Ground Improvement Method
Insitu Cyclic Response of Soil
Blast Induced Soil Liquefaction
Soil-Structure-Interaction
Instrumentation for the Novel Large Scale Field Experiments
Rock Mechanics and Rock Dynamics
Unsaturated Soil Mechanics
Slope Stability and Landslide Assessment

Receiving the best paper award by Springer

from Prof Ikuo Towhata

(ISSMGE Conference 2017)

Ongoing Research Projects

1. National Science Foundation (2017-2020). “Collaborative Research: Bridging the In-situ and Elemental Cyclic Response of Transitional Soils,” Armin W. Stuedlein (PI), T. Matthew Evans (Co-PI); In collaboration with Kenneth Stokoe and Brady Cox, The University of Texas at Austin

2. Port of Portland in Collaboration with the Cascadia Lifelines Program (2017-2019). “Deep, In-situ Dynamic Response of Liquefiable Soils,” Armin W. Stuedlein (PI).

3. National Science Foundation (2019-2020). “Role of Spatial Variability in Liquefaction Consequence Severity,” Armin W. Stuedlein, (PI), in collaboration with Chris McGann and Brendon Bradley, University of. Canterbury, New Zealand.

4. Oregon Department of Transportation, ODOT (2017-2019), “Determining the Post-Blast Liquefaction Strength of Silt,” Armin W. Stuedlein (PI)

5. Cascadia Lifelines Program (2020-2021), “Advancing the Practice of Cyclic Softening Assessments of Silt Soils.” Armin W. Stuedlein (PI)

6. Pacific Earthquake Engineering Research Center PEER (2021-2022), “Advancing Triggering criteria, Estimation of permanent deformations.” Armin W. Stuedlein (PI)

7. National Cooperative Highway Research Program (NCHRP), Transportation Research Board (TRB), Federal Highway Administration (FHA) (July, 2021-Present). “Proposed AASHTO Specifications for Design of Piles for Downdrag,” Professor Armin W. Stuedlein (Co-PI), Professor Richard Coffman (PI), University of Arkansas and Professor Aaron Budge (PI), Minnesota State University.