Research Article
Modeling the Effect of Crude Oil Impacted Sand on the Properties of Concrete Using Artificial Neural Networks
| Days | Contamination (%) | Experimental strength (KN/m2) | Predicted strength (KN/m2) |
| 3 | 20 | 1.83 | 1.95949 | 7 | 0 | 21.25 | 19.65660 | 7 | 5 | 13.17 | 11.59376 | 7 | 20 | 3.00 | 2.96281 | 14 | 15 | 5.17 | 6.08069 | 28 | 0 | 31.50 | 29.46312 | 28 | 20 | 5 | 5.49207 | 28 | 25 | 3.50 | 4.09650 | 84 | 5 | 21.67 | 24.11810 | 168 | 5 | 24.30 | 29.80714 | 168 | 15 | 11.90 | 12.54894 | 3* | 5 | 8.17 | 8.72138 | 7* | 25 | 1.83 | 2.25217 | 14* | 0 | 25.50 | 24.62380 | 28* | 15 | 6.61 | 7.91919 | 56* | 25 | 4.00 | 4.64828 | 84* | 10 | 15.67 | 15.46192 | 168* | 2.5 | 33.00 | 35.17997 |
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Shows the validating sets.
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