Research Article
An Energy-Based Safety Evaluation Index of Blast Vibration
Table 3
The safe level standard of blast vibrations in China (GB6722-2003).
| Types of structures | Allowable PPV (cm/s) | <10 Hz | 10–50 Hz | 50–100 Hz |
| Soil cave houses, adobe houses, and rubble stone structures | 0.5–1.0 | 0.7–1.2 | 1.1–1.5 | Common brick and large nonseismic designed masonry buildings | 2.0–2.5 | 2.3–2.8 | 2.7–3.0 | Reinforced concrete framed structures | 3.0–4.0 | 3.5–4.5 | 4.2–5.0 | Common historical buildings and interests | 0.1–0.3 | 0.2–0.4 | 0.3–0.5 | Hydraulic tunnels | 7–15 | Traffic tunnels | 10–20 | Mine roadways | 15–30 |
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