CIVIL ENGINEERING STUDIES Illinois Center for Transportation Series No. 18-016 UILU-ENG-2018-2016 ISSN: 0197-9191 MATERIAL CONSTITUENTS AND PROPORTIONING FOR ROLLER- COMPACTED CONCRETE MECHANICAL PROPERTIES Prepared By Jeffrey R. LaHucik Jeffery R. Roesler University of Illinois at Urbana-Champaign Research Report No. FHWA-ICT-18-014 A report of the findings of ICT PROJECT R27-149-2 Mechanistic-Empirical Design Implementation and Monitoring for Rigid Pavements https://doi.org/10.36501/0197-9191/18-016 Illinois Center for Transportation August 2018