Distribution of fault types present in the Wessex Water dataset
| Fault type . | Subtype . | Percentage (%) . |
|---|---|---|
| Joint | Displaced, open | 31.5 |
| Deposits | Attached, settled | 15.7 |
| Multiple | – | 12.7 |
| Crack | Longitudinal, circumferential, multiple, spiral | 10.0 |
| Surface | – | 9.9 |
| Roots | Fine, tap, mass | 8.2 |
| Infiltration | Running, gushing | 4.8 |
| Obstacles | Intruding junctions, masonry, protrusion | 2.8 |
| Other | Vermin, lining | 1.4 |
| Broken/Collapsed | – | 1.3 |
| Hole | – | 0.9 |
| Brickwork | Missing mortar, Displaced bricks, Missing bricks | 0.5 |
| Deformation | – | 0.3 |
| Fault type . | Subtype . | Percentage (%) . |
|---|---|---|
| Joint | Displaced, open | 31.5 |
| Deposits | Attached, settled | 15.7 |
| Multiple | – | 12.7 |
| Crack | Longitudinal, circumferential, multiple, spiral | 10.0 |
| Surface | – | 9.9 |
| Roots | Fine, tap, mass | 8.2 |
| Infiltration | Running, gushing | 4.8 |
| Obstacles | Intruding junctions, masonry, protrusion | 2.8 |
| Other | Vermin, lining | 1.4 |
| Broken/Collapsed | – | 1.3 |
| Hole | – | 0.9 |
| Brickwork | Missing mortar, Displaced bricks, Missing bricks | 0.5 |
| Deformation | – | 0.3 |
Each fault may be further divided into subtypes as described, but only the major fault types were used for classification.