Research Article
Analysis of Wind-Sand-Load-Induced Dynamic Response of Transmission Tower-Line Systems
Table 1
Parameters of the typical intensity of sandstorms.
| Parameters | Floating dust | Blowing sand | Sandstorm | Weak | Medium | Strong | Extra strong |
| Horizontal visibility | 10 km | 1–10 km | 1 km | 750 m | 500 m | 50 m | Wind speed (m/s) | 3 | 6 | 10 | 15 | 20 | 25 | Particle diameter (μm) | 0.5 | 2 | 5 | 20 | 40 | 100 | (mg/m3)1 | 0.3 | 1 | 6 (3–10) | 15 | 25 (10–30) | 100 | Volume ratio | 1.2 | 4.0 | 24 | 60 | 100 | 400 |
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1 denotes the mass density of a sandstorm. TSP is the abbreviation of traveling sand particles. |