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Design of reinforcement

This type of caclulation is a option available in section data dialog window.

Given the geometrical and mechanical data of predefined concrete section and the steel grade and position of the two row of bars, program search the minimum areas of row bars which correspond to a strength domain in which all acting forces {NS,MxS} fall (S on the border or within the border if code detailing requires more steel area).

For beams bars their design procedure is based on the respect on a limit value for x/d (max value set = 0.45) and on the minimum ratio As'/As between compressive and tensile area of bars (assegned in the window Code and reinforcement options).

For columns bars design provedure is based only on the As'/As assumed in options.