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Want to learn how to read structural projects? Access my online training with a promotional price: https://canalvidaengenharia.com.br/op... Follow me on Instagram: / luiz.vidaengenharia Follow me on Facebook: / luiz.vidaengenharia In all reinforced concrete beams, longitudinal reinforcement is present. These are the longitudinal bars that cross the beam in a parallel direction. Sometimes they are called positive reinforcement, other times they are called negative reinforcement. In this video, I will explain a little more about this subject. Facebook page: https://www.facebook.com/Vida-Engenha...