Metal structure with unidirectional slab

Metal structure made with steel frames UNE-EN 10025 S275JR, in hot-rolled profiles, finished with anti-corrosion primer, with site-welded joints, composed of the following elements: SLAB: 25 = 20+5 cm depth; simple steel joists IPE 100; ceramic hollow block, 60x25x20 cm; 5 cm thick reinforced concrete compression layer, made with HA-25/F/20/XC2 concrete factory-mixed, and skip-poured, concrete volume 0.08 m³/m², steel UNE-EN 10080 B 500 S in negative reinforcement zone, quantity 1.8 kg/m³ and welded mesh ME 20x20 Ø 5-5 B 500 T 6x2.20 UNE-EN 10080, as distribution reinforcement; assembly and disassembly of formwork system; BEAMS: simple steel, from IPN, IPE, HEA, HEB or HEM series, with an approximate quantity of 25 kg/m²; COLUMNS: simple steel, from IPN, IPE, HEA, HEB or HEM series, with an approximate quantity of 3.8 kg/m².