Corbels: the ratio of closed horizontal or inclined links k1
Eurocode 2 part 1-1: Design of concrete structures J.3 (2) - Annex J (informative)
If ac < 0,5hc closed horizontal or inclined links with As,lnk ≥ k1As,main should be provided in addition to the main tension reinforcement (see Figure J.6 (a)).
Recommendation
The recommended value of k1 is 0,25.
