Halil CeylanPhone: 515/ 294-8051 Email: hceylan@iastate.edu Active Projects TitleYearProj/Rpt #Use of Plastics in Road Materials (Paving)N/AEffect of Increased Precipitation (Heavy Rain Events) on Minnesota Pavement Foundations2022N/ABase Stabilization Additives - Effect on Granular Equivalency (GE)2019N/A Completed Projects TitleYearReport #Phase 1: Have Minnesota's Warmer Winters Increased the Number of Freeze Thaw Cycles?20222022-04 NRRA: Determining Pavement Design Criteria for Recycled Aggregate Base and Large Stone Subbase2021NRRA202103 NRRA202103A Concrete Grinding Residue: Its Effect on Roadside Vegetation and Soil Properties20192019-06
