مجری حرفه ای ساختمان بتنی | قسمت چهل و یک | آرماتوربندی تیرهای سقف | پوتر بتنی

This video is part of a free comprehensive course on concrete building construction. It focuses on the reinforcement of roof beams, categorization of rebar for concrete beams, and practical reinforcement notes. 00:00 – Reinforcement of roof beams; 08:40 – Rebar categorization for concrete beams; 14:23 – Practical reinforcement notes.