SCM dosage, w/cm limits lead producer beefs with prescriptive mix designs
- Published: Friday, 10 October 2014 12:31
- Written by Concrete News
Sources: National Ready Mixed Concrete Association, Silver Spring, Md.; CP staff
A survey on prescriptive mix designs reveals requirements NRMCA Research and Engineering Standards Committee members find most onerous: maximum water/cementitious material ratio when not applicable, minimum cementitious material content, plus restrictions on supplementary cementitious material dosages, aggregate characteristics like grading, and SCM type (i.e., Class F fly ash only) or characteristics.