Comparison of measured scour depths with scour depths predicted using existing equations
| Investigator . | Percentage of overpredictions . | Percentage of underpredictions . | ||||
|---|---|---|---|---|---|---|
| Greater than 200% . | Greater than 100% . | Greater than 50% . | Total underpredictions . | Greater than 25% . | Greater than 50% . | |
| Dey & Sarkar (2006) | 6.7 | 13.7 | 19.8 | 40.6 | 1 | 0 |
| Sarkar & Dey (2005) | 11.5 | 15.7 | 21.1 | 39.6 | 5.4 | 1 |
| Lim & Yu (2002) | 9 | 19.1 | 33.7 | 26.1 | 5 | 0 |
| Aderibigbe & Rajaratnam (1998) | 63.2 | 77.4 | 86.6 | 4.6 | 1.6 | 1.3 |
| Chatterjee et al. (1994) | 0.4 | 1.5 | 3 | 89 | 70.5 | 24 |
| Altinbilek & Basmaci (1973) | 100 | 100 | 100 | 0 | 0 | 0 |
| Valentin (1967) | 6.5 | 18.1 | 42.2 | 21.9 | 12.2 | 1.4 |
| Investigator . | Percentage of overpredictions . | Percentage of underpredictions . | ||||
|---|---|---|---|---|---|---|
| Greater than 200% . | Greater than 100% . | Greater than 50% . | Total underpredictions . | Greater than 25% . | Greater than 50% . | |
| Dey & Sarkar (2006) | 6.7 | 13.7 | 19.8 | 40.6 | 1 | 0 |
| Sarkar & Dey (2005) | 11.5 | 15.7 | 21.1 | 39.6 | 5.4 | 1 |
| Lim & Yu (2002) | 9 | 19.1 | 33.7 | 26.1 | 5 | 0 |
| Aderibigbe & Rajaratnam (1998) | 63.2 | 77.4 | 86.6 | 4.6 | 1.6 | 1.3 |
| Chatterjee et al. (1994) | 0.4 | 1.5 | 3 | 89 | 70.5 | 24 |
| Altinbilek & Basmaci (1973) | 100 | 100 | 100 | 0 | 0 | 0 |
| Valentin (1967) | 6.5 | 18.1 | 42.2 | 21.9 | 12.2 | 1.4 |