Complex formulas at the moment, with representation of the application situation. Calculates k6, Bw and Dminimum, depending on the situation. It still calculates the "As" of the armor. K6 Description: "K6" in the civil engineering context refers to a standard for the design and analysis of structures, particularly in terms of load-bearing and safety. In many countries, including Brazil, K6 is a code or standard used to guide the design and construction of civil engineering projects.