Charles Jahren

Associate Professor

Voice: 515-294-3829, Fax: 294-3845

cjahren@iastate.edu

Office: 458 Town

Education

PhD, 1987, Purdue University, West Lafayette, IN, USA

M.B.A., 1982, University of Minnesota, St. Paul, MN, USA

BSCE, 1977, University of Minnesota, St. Paul, MN, USA

Experience

1984-1986, Research Engineer, Naval Civil Engr. Lab., Port Hueneme, CA, USA

1983-1983, Construction Project Engr., Peabody Southwest, Houston, TX, USA

1978-1982, Construction Project Engr., Johnson Brothers Corp., Litchfield, MN

1971-1978, Intern Engineer, Metropolitan Transit Commission, St. Paul, MN, USA

Current/Recent Projects

• Rapid, Self-contained In-situ Permeameter for Field QC/QA of Pavement Base/Subbase Materials
• Identification of Practices, Design, Construction, and Repair Using Trenchless Technology (TR-570)
• Performance Evaluation of Concrete Pavement Granular Subbase (TR-554)
• Madison County Bridge Evaluation
• Effective Shoulder Design and Maintenance (TR-531)

View this researcher's complete list of projects.