For full functionality of this site it is necessary to enable JavaScript. Here are the instructions how to enable JavaScript in your web browser.

Additional rules for large diameter bars: the limiting bar size Φlarge

Eurocode 2 part 1-1: Design of concrete structures   8.8 (1)

Additional rules (§ 8.8) are applied when detailing the anchorage of longitudinal reinforcement (§ 8.4), the laps and the mechanical couplers (§ 8.7) if the bar diameter is larger than Φlarge.


The recommended value for the limiting bar size is 32 mm.

National choice