Research Article
Progressive Collapse Analysis of Latticed Telecommunication Towers under Wind Loads
Table 3
Comparison of natural vibration frequencies.
| | | Mode | 1 | 2 | 3 | 4 | 5 |
| | Tripole tower | Frequency (Hz) | ABAQUS | 1.3010 | 1.3011 | 2.6352 | 2.6354 | 3.2713 | | SAP2000 | 1.3155 | 1.3165 | 2.7095 | 2.7098 | 3.1850 | | Angle tower | Frequency (Hz) | ABAQUS | 2.2200 | 2.2226 | 2.5869 | 2.5873 | 5.7509 | | SAP2000 | 2.2647 | 2.2649 | 2.6095 | 2.6098 | 6.8850 |
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