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