FHWA assesses SCM, natural pozzolans within best pavement practices
- Published: Tuesday, 26 April 2016 17:49
- Written by Concrete News
A new Federal Highway Administration Tech Brief cites benefits and drawbacks of fly ash, slag cement, silica fume and natural or alternative pozzolans for transportation structure-grade concrete. “Supplementary Cementitious Materials — Best Practices for Concrete Pavements” (FHWA-HIF-16-001) outlines how agencies overseeing road construction and maintenance confront increasing service demands on concrete structures, expectations for reduced environmental impact, plus lower initial and lifecycle costs.