Flexsa reticular beams, with inclined pitches or parallel bridles, made by continuous currents and variable step hinged walls ples. Thse are made by direct coupling without gusset plates and with double effect spacer joint and steel 䨩lments with hardened section obtained by cold shaping with profiling in continuous squence. Th驨se lments are eut by shearing and pierced in line with pr驩cision punching under numerical control. The System is unsoldered and totally bolted. Materials: - Hot galvanized FeE 320 obtained with the Sendzimir method - Hot galvanized FeE 320 obtained with the Sendzimir method...