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Examples of factors indicating the geotechnical conditions_
| Type of monitoring | Geotechnical condition indicators |
|---|---|
| Subsurface displacement monitoring | Displacement value (mm) |
| Displacement increment speed (mm/day) | |
| Deformation depth (m) | |
| Deformation character | |
| Pore-water pressure monitoring | Pore-water pressure value (bar) |
| Pressure increment speed (bar/day) | |
| Sensor installation depth (m b.g.l.) | |
| Temperature (°C) | |
| Surface displacement monitoring | Horizontal displacement value (mm) |
| Benchmark subsidence value (mm) | |
| Displacement increment speed (mm/day) | |
| Displacement azimuth (°) | |
| Soil subsidence monitoring | Subsidence value (mm) |
| Deformation increment speed (mm/day) | |
| Groundwater table monitoring | Groundwater table depth (cm) |
| Groundwater table depth differences in successive measurements (cm) | |
| In situ observations | Visual changes on slope surfaces |
| Rate of changes |