Design using charts

MEdyy / bh2fck = 178.9 x 106 / (5003 x 50) = 0.03 NEd / bhfck = 9000 x 103 / (5002 x 50) = 0.72

<Concise EC2 Figs 15.5a to 15.5e>

where d2

= depth to centroid of reinforcement in half section assuming 12 bar arrangement with H32s = 35+8 + (32/2) + (2/6) [500+2 x (35+8+32/2) /3]

Figure 5.9 Depth, d2, to centroid of reinforcement in half section

Use Concise EC2 Figure 15.5d

Figure 5.9 Depth, d2, to centroid of reinforcement in half section

Choice of chart baeed on d2 / h d

From chart in Concise EC2Figure 15.5d) Asfyk / bhfck = 0.30

<Concise EC2 Fig. 15.5d>

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