Novel Alternative Cementitious Maerials for Development of the Next Generation of Sustainable Transportation Infrastructure[Tech Brief]

2015PDFBriefFHWA-HRT-16-017DTFH61-15-A-00001;DTFH61-14-H-00003Alternatives analysisCementDurabilityEvaluationGreenhouse gasesInfrastructurePavement performanceSustainable developmentNorth AmericaUnited States. Federal Highway AdministrationBurris, LisaKurtis, KimberlyMorton, TomGeorgia Institute of TechnologyUnited States. Federal Highway Administration. Office of Infrastructure Research and DevelopmentNTL-HIGHWAY/ROAD TRANSPORTATION-Bridges and StructuresNTL-HIGHWAY/ROAD TRANSPORTATION-HIGHWAY/ROAD TRANSPORTATIONNTL-HIGHWAY/ROAD TRANSPORTATION-MaterialsFederal Highway AdministrationGeorgia Institute of Technology and collaborators from Oklahoma State University, Tourney Consulting, and the Army Corps of Engineers, for an Exploratory Advanced Research (EAR) Program project funded by the Federal Highway Administration\u2019s (FHWA\u2019s) Turner\u2013Fairbank Highway Research Center, are performing a comprehensive and systematic investigation of novel alternative cementitious materials (ACMs) for applications in sustainable transportation infrastructure. These materials include calcium aluminate cement (CAC), calcium sulfoaluminate (CSA), calcium sulfoaluminate belite (CSAB), magnesium phosphate cement (MPC), and alkali-activated (AA) and carbonate-binder systems that provide potential advantages over traditional portland cement through reductions in embodied energy and greenhouse gases, as well as enhanced performance, which contributes to sustainability. The research includes evaluation of early-age and long-term material properties, in addition to multiscale durability investigations. The research team aims to provide guidance for recommended test methods and, where relevant, test limits for acceptance of ACMs for transportation infrastructure, including highway structures and rigid pavements, as well as preliminary specifications for use