Open Access
Table 5
Comparison under different chord member sizes.
| Diameter of the chord member (mm) | Timoshenko theory (×106N) | Single-span (×106N) | Relative error | Whole boom section (×106N) | Relative error |
|---|---|---|---|---|---|
| 120 | 1.2065 | 1.1676 | 3.22% | 1.1451 | 5.08% |
| 125 | 1.3327 | 1.3 | 2.45% | 1.2841 | 3.64% |
| 130 | 1.4699 | 1.4431 | 1.82% | 1.435 | 2.37% |
| 135 | 1.6185 | 1.5972 | 1.31% | 1.598 | 1.27% |
| 140 | 1.7775 | 1.757 | 1.15% | 1.7736 | 0.22% |
| 145 | 1.9524 | 1.9386 | 0.71% | 1.9624 | –0.51% |
| 150 | 2.1385 | 2.1258 | 0.59% | 2.1646 | 1.22% |
| 155 | 2.3382 | 2.3233 | 0.64% | 2.3806 | 1.81% |
| 160 | 2.5518 | 2.5302 | 0.85% | 2.6109 | –2.31% |
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