The numbers are 84/140/84 in the image below. They represent the intermediary distance between the stirrups. Near the ends of the column the stirrups must be closer to each other in accordance with EN 1992-1-1 §9.5.3 (3) and (4). 140mm * 0.6 = 84mm.
What is the meaning of the 3 numbers next to the shear reinforcement?
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