Shotcrete Core Grading: Is It Working?| Concrete ...
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When ACI 506.2-95, "Specifications for Materials, Proportioning, and Application of Shotcrete," was adopted in 1995, one of the most controversial sections required a visual core-grading system for evaluating reinforcement encasement. Five grades were established, with grade 1 indicating the highest quality and grade 5 the lowest.
DA: 44 PA: 94 MOZ Rank: 95 Up or Down: Up