Research by Principal Investigator
Charles Jahren, Principal Investigator
Associate Professor, Department of Civil, Construction and Environmental
Engineering (CCEE). See bio.
Projects
Listed with most current first.
- 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)
- Developing an Effective Construction Training Program for Hispanic Supervisors and Craft Workers, Phase 3
- Manual of Practice for Roadway Maintenance Workers (TR-514)
- Developing an Effective Construction Training Program for American Supervisors and Hispanic Craft Workers, Phase 2
- Thin Maintenance Surfaces, Phase 3: Municipal Streets and Low-Volume Rural Roads (TR-507)
- Evaluation of Long Term Field Performance of Cold In-Place Recycled Roads (TR-502)
- Embankment Quality, Phase 4: Application to Unsuitable Soils (TR-492)
- Cost Comparison of Treatments Used to Maintain or Upgrade Aggregate Roads
- Developing an Effective Construction Training Program for Hispanic Supervisors and Craft Workers, Phase 1
- I-235 Scheduling Support, Phase 4
- Determination of the Optimum Base Characteristics for Pavements (TR-482)
- I-235 Scheduling Support, Phase 3
- I-235 Scheduling Support, Phase 2
- Embankment Quality, Phase 3 (TR-401)
- Schedule Support for I-235
- Electronic Reference Library: Material Ims
- Thin Maintenance Surfaces, Phase 2 with Guidelines for Winter Maintenance on Thin Maintenance Surfaces (TR-435)
- Project Development Electronic Reference
- Embankment Quality, Phase 2 (TR-401)
- Continuation of Benchmarking Project: Development of Process Improvement Teams in Residencies
- Thin Maintenance Surfaces (Amendment 14)
- Embankment Quality, Phase 1 (TR-401)
- Electronic Reference Library, Phase 1
Department of Civil, Construction, & Environmental Engineering, 394 Town Engineering, Iowa State University, Ames, IA 50011
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