If you are using ACI 544.2R-89 today, you must understand how it differs from current practice.
Reviews resistance to freeze-thaw cycles, cavitation, erosion, and abrasion. Critical Limitations & Modern Use aci 544.2r-89
Finally, always check with the current ACI 544 committee documents (544.2R-17, 544.3R, 544.4R) for any active project. But never forget: the path to modern fiber-reinforced concrete testing began in earnest with the publication of . If you are using ACI 544
The report is designed for concrete reinforced with various fiber types, including . It applies to conventionally mixed and placed FRC as well as fiber-reinforced shotcrete (FRS). It specifically excludes thin products made by the spray-up process. Core Testing Procedures aci 544.2r-89