Research Article

Structural Health Monitoring of Steel Pipes under Different Boundary Conditions and Choice of Signal Processing Techniques

Table 3

Soil properties.

(1) coefficient of uniformity,           
(2) coefficient of concavity,           
(3) moisture content = 0.58%         
(4) compressional wave velocity,  m/s. [23, 26]
(5) shear wave velocity, ~ 140 m/s. [24, 26]