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|