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Purlins, wall beams (wall purlins) and cornice beams, as the secondary structural system of the building, provide support and stability for the injection structural system. Their stability and durability directly affect the safety of the main structure.
Specification and section characteristics of Z-section steel | ||||||||||||
model | Section size mm | Sectional area cm2 | Moment of inertia CM4 | Resistance moment cm3 | Turning radius cm | |||||||
H | B | b | c | t | Jx | Jy | Wx | Wy | Rx | Ry | ||
| 140 | 50 | 50 | 20 | 2.5 | 6.48 | 186.77 | 35.91 | 26.68 | 7.37 | 5.37 | 2.35 |
| 160 | 70 | 70 | 20 | 2.5 | 7.98 | 319.13 | 87.74 | 39.89 | 12.76 | 6.32 | 3.32 |
| 180 | 70 | 70 | 20 | 2.5 | 8.48 | 420.18 | 87.74 | 46.69 | 12.76 | 7.04 | 3.22 |
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