Info

Hooks, bends, loops

(see Figure 5.2 of EC2)

Bent-up bars or other curved bars

Bar diameter

Value of minimum concrete cover, perpendicular to plane of curvature

$ < 20 mm

$ W 20 mm

> 100 mm and > 7$

> 50 mm and > 3$

U 50 mm and U 3$

Minimum diameter of mandrels for plain bars S250

4$

4$

7$

8.5$

11.4$

Minimum diameter of mandrels for high bond bars S460

6$

8$

13$

15.7$

20.9$

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