RSJ 102×102×23
Rolled steel joists from British-Sections-1 and Eurocode 3 UK shared angle/hollow tables.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 101.6 mm | 4 in |
| Flange width, b_f | 101.6 mm | 4 in |
| Web thickness, t_w | 9.5 mm | 0.374016 in |
| Flange thickness, t_f | 10.3 mm | 0.405512 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 4,860,000 mm⁴ | 11.6762 in⁴ |
| Elastic modulus, Sₓ | 95,600 mm³ | 5.8339 in³ |
| Plastic modulus, Zₓ | 113,000 mm³ | 6.8957 in³ |
| Radius of gyration, rₓ | 40.7 mm | 1.6024 in |
| Distance to top fibre | 50.8 mm | 2 in |
| Distance to bottom fibre | 50.8 mm | 2 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 1,540,000 mm⁴ | 3.6999 in⁴ |
| Elastic modulus, S_y | 30,300 mm³ | 1.849 in³ |
| Plastic modulus, Z_y | 50,600 mm³ | 3.0878 in³ |
| Radius of gyration, r_y | 22.9 mm | 0.901575 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 142,000 mm⁴ | 0.341156 in⁴ |
| Warping constant, C_w | 3.21000e+9 mm⁶ | 11.9537 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 23 kg/m | 15.4553 lb/ft |