Research Article
Monitoring of the Bond State between the Concrete-Filled Steel Tube Pile and Surrounding Soil
Figure 10
SA signals in soils with different densities: (a) soil density = 1151 kg·m−3; (b) soil density = 1324 kg·m−3; (c) soil density = 1406 kg·m−3.
| (a) |
| (b) |
| (c) |