Research Article
On the Training Algorithms for Artificial Neural Network in Predicting the Shear Strength of Deep Beams
Table 1
Summary of the input and output variables of deep beams used in this study.
| | Notation | Unit | Min | Median | Average | Max | Stda | SKb |
| Ratio of effective span to effective depth | L/d | — | 1.05 | 3.08 | 2.88 | 5.38 | 1.12 | 0.08 | Ratio of effective depth to breadth | d/bw | — | 2.84 | 2.99 | 4.44 | 10.03 | 2.24 | 1.49 | Ratio of shear span to effective depth | a/d | — | 0.27 | 1.00 | 1.01 | 2.70 | 0.049 | 0.40 | Concrete cylinder strength | fc | 10−1 x kN/mm2 | 0.16 | 0.21 | 0.26 | 0.59 | 0.11 | 16.91 | Yield strength of horizontal reinforcement | fyh | kN/mm2 | 0.00 | 0.48 | 0.40 | 0.50 | 0.15 | −1.60 | Yield strength of vertical web reinforcement | fyv | kN/mm2 | 0.00 | 0.38 | 0.35 | 0.48 | 0.18 | −1.11 | Ratio of horizontal web reinforcement | ρh | 10–2 | 0.00 | 0.45 | 0.49 | 2.45 | 0.56 | 193.12 | Ratio of longitudinal reinforcement to concrete area | ρs | — | 0.00 | 0.01 | 0.01 | 0.02 | 0.00 | −0.48 | Ratio of vertical web reinforcement | ρv | 10–2 | 0.00 | 0.48 | 0.51 | 2.45 | 0.54 | 213.04 | Shear strength | V | kN | 74.00 | 161.00 | 203.58 | 675.00 | 121.93 | 2.20 |
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aStandard deviation. bSkewness.
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