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Table 7.3 prENV - Minimum reinforcement ratio for a given value of as which fulfils the condition as > asr. Value of corresponding ^ max

Table 7.3 prENV - Minimum reinforcement ratio for a given value of as which fulfils the condition as > asr. Value of corresponding ^ max

Figure 7.7. Theoretical and actual values of Dmax, according to prEN

Figure 7.7. Theoretical and actual values of Dmax, according to prEN

The three formulas analyzed are compared in the following graph. It can be seen that the theoretical results for EC-2 and prEN are very similar while the MC-90 equation is somewhat more conservative. The values included in the tables of the codes do not always match the theoretical equation but are generally conservative for EC2 and prEN. The MC90 table values are somewhat above the theoretical curve as already shown before.

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