Table 3 The adopted cross-sections of struts and their maximum load capacity of the most stressed element in the developed structural coverings.
No. of designed dome | GROUP 1 | GROUP 2 | GROUP 3 | GROUP 4 | ||||
|---|---|---|---|---|---|---|---|---|
cross-section (diameter x thickness (mm)) | load capacity of the strut element* | cross-section (diameter x thickness (mm)) | load capacity of the strut element* | cross-section (diameter x thickness (mm)) | load capacity of the strut element* | cross-section (diameter x thickness (mm)) | load capacity of the strut element* | |
Method 1 | ||||||||
1.1 | R 63.5 × 8.8 | 0.89 | R 70.0 × 8.0 | 0.80 | R 44.5 × 3.6 | 0.89 | R 44.5 × 5.6 | 0.87 |
1.2 | R 63.5 × 8.0 | 0.85 | R 70.0 × 8.0 | 0.80 | R 44.5 × 4.0 | 0.89 | R 44.5 × 5.6 | 0.87 |
1.3 | R 70.0 × 5.6 | 0.82 | R 70.0 × 7.1 | 0.86 | R 42.4 × 3.6 | 0.90 | R 44.5 × 6.3 | 0.82 |
1.4 | R 54.0 × 8.0 | 0.89 | R 63.5 × 8.0 | 0.84 | R 42.4 × 3.6 | 0.90 | R 44.5 × 6.3 | 0.85 |
1.5 | R 54.0 × 7.1 | 0.86 | R 63.5 × 8.0 | 0.83 | R 42.4 × 4.0 | 0.86 | R 44.5 × 6.3 | 0.89 |
1.6 | R 60.3 × 8.0 | 0.86 | R 70.0 × 6.3 | 0.90 | R 42.4 × 5.0 | 0.84 | R 48.3 × 6.3 | 0.86 |
1.7 | R 60.3 × 8.0 | 0.83 | R 70.0 × 7.1 | 0.82 | R 42.4 × 5.0 | 0.89 | R 51.0 × 6.3 | 0.85 |
1.8 | R 60.3 × 8.0 | 0.89 | R 70.0 × 7.1 | 0.82 | R 51.0 × 6.3 | 0.88 | R 48.3 × 6.3 | 0.87 |
Method 2 | ||||||||
2.1 | R 70.0 × 7.1 | 0.82 | R 63.5 × 8.0 | 0.88 | R 57.0 × 5.6 | 0.88 | R 51.0 × 3.2 | 0.80 |
2.2 | R 70.0 × 7.1 | 0.85 | R 63.5 × 7.1 | 0.90 | R 57.0 × 8.0 | 0.86 | R 48.3 × 4.5 | 0.87 |
2.3 | R 70.0 × 8.0 | 0.89 | R 63.5 × 8.8 | 0.90 | R 57.0 × 8.8 | 0.88 | R 44.5 × 5.6 | 0.87 |
2.4 | R 70.0 × 8.0 | 0.90 | R 63.5 × 8.8 | 0.88 | R 57.0 × 8.0 | 0.90 | R 44.5 × 6.3 | 0.84 |
2.5 | R 60.3 × 8.8 | 0.89 | R 60.3 × 8.0 | 0.87 | R 54.0 × 8.0 | 0.85 | R 51.0 × 5.0 | 0.86 |
2.6 | R 70.0 × 8.0 | 0.88 | R 63.5 × 8.0 | 0.90 | R 57.0 × 8.0 | 0.87 | R 48.3 × 6.3 | 0.89 |
2.7 | R 70.0 × 8.8 | 0.84 | R 63.5 × 8.8 | 0.84 | R 57.0 × 8.0 | 0.84 | R 51.0 × 6.3 | 0.90 |
2.8 | R 70.0 × 8.8 | 0.86 | R 63.5 × 8.0 | 0.89 | R 57.0 × 8.8 | 0.88 | R 54.0 × 6.3 | 0.89 |
