Table 1: Typical Shear Wave Velocities [22].

Soil classificationShear wave velocity (m/sec)

Very soft soil84–106
Soft soil107–137
Medium soil138–183
Stiff Soil184–274
Very stiff soil275–366
Soft rock/cemented soil367–610
Rippability limit670
Rock>670
Concrete2,286–2,438