Research Article
Modelling and Structural Design for Parallel Umbrella-Shaped Cable-Strut Structures Based on Stationary Potential Energy Principles
Table 2
Rational modes for the three loading combinations.
| | Load case | LC-1 | LC-2 | LC-3 |
| | d1 (mm) | 25000 | 27000 | 28000 | | d2 (mm) | 27000 | 29000 | 30000 | | (mm2) | 791.2 | 974.8 | 1165.8 | | (mm2) | 1111.75 | 1393.6 | 1676.7 | | Dimensions of the inner strut | 260 × 16 | 275 × 20 | 305 × 22 | | (mm × mm) | | (kN) | 866.1 | 1042.3 | 1286.9 | | (kN) | 823.4 | 999.6 | 1234.1 | | W (kN) | 1822.9 | 2396.9 | 2959.2 |
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