Effective dimensions of beam

Effective span (t) = lo + (c/2 < 0.1 y + (c2/2 < 0.1 g

CIRIA Guide 2 CI.2.2.1

5750 mm

Note that EC2 effective spans typically come to the mid-point of the supports. Figure 2.4

Active height {hj = lesser of h and I

Thickness of beam = 300 mm

This thickness is used to be consistent with the CIRIA Guide 2 example. It will be necessary under EC2 to demonstrate that the required reinforcement can be accommodated within this width. The effective dimensions of the beam are shown in Figure 11.3

Height of beam h = 10920

Effective span 5750

Clear span l0 = 5000

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