ACI 408.2R

Description / Abstract: This report reviews bond and anchorage of steel reinforcing bars in normal and lightweight concrete, with emphasis on bond under cyclic loading. Although the amount of information about the bond behavior of epoxy-coated reinforcing bars subjected to cyclic loading is limited, available references on this topic were reviewed and are presented in the document. Bond and anchorage of prestressing steel and headed reinforcing bars are not addressed in this report. This report serves both designers and researchers, and is organized accordingly. Chapters 3 and 4 present background information on the issue of bond under cyclic loading. Chapters 5, 6, and 7 deal with results of research and development of analytical bond models. Chapters 8 and 9 review international design guidelines dealing with bond under cyclic loads and should be of interest to designers. This report also introduces designers to the basic mechanisms involved in bond, the variables that affect those mechanisms, and differences in bond behavior under cyclic and noncyclic loads.