Steel Buildings in Europe

Part 2: Concept Design 2 - 49 Table 5.4 Sizes of composite cellular beams as secondary beams (IPE/HE sections in S355 steel) Maximum span of cellular beam (m) Cellular beam parameters 12 m 13,5 m 15 m 16,5 m 18 m Opening diameter (mm) 300 350 400 450 500 Beam depth (mm) 460 525 570 630 675 Top chord IPE 360 IPE 400 IPE 400 IPE 450 IPE 500 Bottom chord HE 260A HE 300A HE 340B HE 360B HE 400M Variable action = 3 kN/m 2 plus 1 kN/m 2 for partitions Slab depth = 130 mm; Beam spacing = 3 m 15.0m 3.75m 7.5m 7.5m 3.0m 3.0m 4.5m 3.0m 1.5m 3.75m 3.75m 3.75m 3.75m 3.75m 3.75m 3.75m 15.0m IPE 450 S355 HEB 320 S355 IPE O 400 S235 IPE A 360 S355 IPE O 400 S235 IPE A 360 S355 HEB 320 S355 HEB 300 S355 HEB 300 S355 IPE O 300 S235 IPE O 300 S235 IPE O 300 S235 HEB 450 S355 HEB 450 S355 IPE O 360 S235 IPE O 360 S235 IPE A 450 / IPE A 550 S355 IPE A 450 / IPE A 550 S355 IPE A 450 / IPE A 550 S355 IPE A 450 / IPE A 550 S355 IPE A 450 / IPE A 550 S355 IPE A 450 / IPE A 550 S355 IPE A 450 / IPE A 550 S355 IPE A 450 / IPE A 550 S355 IPE O 360 S235 IPE 220 S235 IPE 220 S235 IPE 220 S235 IPE 220 S235 IPE O 360 S235 IPE A 360 S235 IPE A 360 S235 HEB 300 S355 HEB 300 S355 IPE 450 S355 IPE 450 S355 IPE 450 S355 76.1 x 3.2 CHS S275 76.1 x 3.2 CHS S275 76.1 x 3.2 CHS S275 76.1 x 3.2 CHS S275 2 1 3 5 4 4 6 6 1. Wall bracing 2. Slab 3. Toilets 4. Void 5. Stairs 6. Lifts Figure 5.9 Cellular beams (long-span secondary beams) – example of steelwork arrangement at the corner of a 8-storey building with an atrium