concrete columns. interaction diagram. resistance of critical cross-section. strengths failure. betónové stĺpy. interakčný diagram. odolnosť kritického prierezu. zlyhanieFillo, Ľudovít, 1949- Design of concrete columns by prEN1992-1-1/2021. -- 2-s2.0-85140226307. -- 10.4028/p-492of5. Benko, Vladimír, 1959- In: 28th Concrete Days 2022. -- 1. vyd.. -- 192 s.. -- 978-3-0357-1725-9 International Conference Concrete Days 2022. -- Baech : Trans Tech Publications, 2022. -- Scientific Books Collection, vol. 21. -- S. 163-168.