صفر تا صد سقف تیرچه بلوک | قسمت پنجاه و هفت | مشخصات تیرچه صنعتی

00:00 – The video explains industrial beams and how they differ from traditional beams. 01:42 – It shows the machine used to produce industrial beam supports. 02:35 – It discusses the limitations and characteristics of industrial beam production. The rest of the video covers the detailed construction of a concrete roof using block beams, including the components of the beam, reinforcement details, zigzag spacing, concrete pouring, and the installation of various reinforcement elements such as negative moment bars, thermal bars, and the use of foam insulation. It also addresses common issues like sagging, negative moment reinforcement, and the proper spacing of thermal bars, as well as the use of joint plates and the correct execution of double beams.