Strength designCIRIA

Guide 2

Bending capacity check in accordance with CIRIA Guide 2 CI 24 &

Hence there is no need to check the compression in the concrete and the area of steel required may be calculated from a lever arm given as z = 0.2/ + OAh = 3450 mm a

For the reinforcement area there is no difference in using EC2 equations. f l, 460

2363 mm2

This is 15% less than CIRIA Guide 2, predominantly due to a higher yield strength reinforcement used in this example, but also in part because of lower 7F values used in EC2.

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