ACI 446.1R-91 (R1999)
Fracture Mechanics of Concrete: Concepts, Models, & Determination of Material Properties
standard by American Concrete Institute, 01/01/1991
ACI 304.6R-91(R1997)
Guide for the Measure of Volumetric-Measuring & Continuous-Mixing Concrete Equipment
standard by American Concrete Institute, 01/01/1991
ACI 211.1-91 (R2009)
Standard Practice for Selecting Proportions for Normal, Heavyweight and Mass Concrete
standard by American Concrete Institute, 01/01/1991
ACI 357.1R-91(R1997)
[ Withdrawn ]
State-of-the-Art Report on Offshore Concrete Structures for the Arctic
standard by American Concrete Institute, 01/01/1991