"THIS COMPILATION OF Selected Technical Papers, STP1636, Standards Development for Cement and Concrete for Use in Additive Construction, contains peer-reviewed papers that were presented at a symposium held virtually on December 7-8, 2020. The symposium is sponsored by ASTM International Committee C09 on Concrete and Concrete Aggregates and Subcommittee C09.93 on Symposia, Workshops and Research"-- |