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Structural class following the EN Eurocode recommendation

Eurocode 2 part 1-1: Design of concrete structures (5) - Table 4.3N

The recommended Structural Class (design working life of 50 years) is S4 for the indicative concrete strengths given in Annex E (see § E.1 (2)) and the recommended modifications to the structural class is given in Table 4.3N - § (5). The recommended minimum Structural Class is S1.

This application calculates the Structural Class (EN) from your inputs.

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the Structural Class (EN)