Research to investigate geosynthetics, granular materials, aggregates, backfill materials, pile setup, soil compaction and retaining walls.

Please contact staff at for research published before FFY 2014.

​​Research in progress

​Project ID

​Project information

​Completion date



​Geotechnical Asset Management for Slopes
Principal Investigator: Scott Anderson, BGC Engineering USA, Inc.

WisDOT Contact: David Staab (

Request for Proposal


​Quality Testing of Wisconsin Aggregates
Principal Investigator: Hani Titi, University of Wisconsin - Milwaukee

WisDOT Contact: Erik Lyngdal (

Request for Proposal


​Mechanically Stabilized Earth (MSE) Wall Backfill Water Infiltration
Principal Investigator: William Likos, University of Wisconsin - Madison

WisDOT Contact: Jeff Horsfall (

Request for Proposal


​Comparison of ASTM Standards for the Evaluation of Geogrid Strength
Principal Investigator: Rani Elhajjar, University of Wisconsin - Milwaukee

WisDOT Contact: Andrew Zimmer (

Request for Proposal


Completed research

Project ID

​Project information

​Completion date


​Monitoring of Lateral Earth Pressures and Movements of Cut Retaining Walls

Final reportResearch brief


​Evaluation of Recycled Base Aggregates

Final reportResearch brief


​Evaluation of H-Pile Corrosion Rates for WI Bridges Located in Aggressive Subsurface Environments

Final reportResearch brief


​Evaluation of the Long-Term Degradation and Strength Characteristics of In-situ Wisconsin Virgin Base Aggregates under HMA Pavements

Final reportResearch brief


​Thermal Integrity Profiling for Detecting Flaws in Drilled Shafts

Final reportResearch brief


​​Correlation of ASTM D4833 and D6241 Geotextile Puncture Test Methods and Results for Use on Wisconsin Department of Transportation Projects

Final reportResearch brief


​Predicting Scour of Bedrock in Wisconsin

Final reportResearch Brief


​Static Pile Load Tests on Driven Piles into Intermediate Geo-Materials

Final reportResearch brief


​Understanding and Complying with Storm Water Mitigation Guidelines from the EPA

Final reportResearch brief



Evaluation of the Foundation Movements of Transportation Structures

Final report



​Analysis of Trends/Correlations of Historical WisDOT Soil Lab Test Results Through Development of an Electronic Database

Final report



​Permeability Performance and Lateral Load for Granular Backfill behind Abutments

Final reportResearch brief



​Effective Depth of Soil Compaction in Relation to Applied Compactive Energy

Final report ​​Research brief



​Performance of Pile Supported Sign Structures

Final reportResearch brief


​Lateral Deflection Contribution to Settlement Estimates

Final reportResearch brief


​Evaluating the Methodology and Performance of Jetting and Flooding Granular Backfill Systems

Final reportResearch brief