Partial safety factor for concrete: the reduction based on quality control γC,red1
Eurocode 2 part 1-1: Design of concrete structures A.2.1 (2) - Annex A (informative)
Under the condition given in § A.2.1 (1), and if the coefficient of variation of the concrete strength is shown not to exceed 10%, the partial safety factor for reinforcement may be reduced to γC,red1.
Recommendation
The recommended value of the partial safety factor γC,red1 is 1,4.
