Table 6 Amount and shape of steel used for different wall thicknesses.
From: Effect of single tube sections on the structural safety of Chinese solar greenhouse skeletons
Serial number | Main girder wall thickness/mm | Amount of steel (t)/kg | Form of a variable (L)/mm | T/(mm/kg) |
|---|---|---|---|---|
1 | 30 × 60 × 1 | 684.23 | 35.913 | 0 |
2 | 30 × 60 × 1.5 | 925.12 | 29.635 | 0.2606 |
3 | 30 × 60 × 2 | 1162.3 | 27.079 | 0.1848 |
4 | 30 × 60 × 2.5 | 1395.9 | 25.787 | 0.1423 |
5 | 30 × 60 × 3 | 1625 | 24.834 | 0.1177 |