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.

NotationUnitMinMedianAverageMaxStdaSKb

Ratio of effective span to effective depthL/d1.053.082.885.381.120.08
Ratio of effective depth to breadthd/bw2.842.994.4410.032.241.49
Ratio of shear span to effective deptha/d0.271.001.012.700.0490.40
Concrete cylinder strengthfc10−1 x kN/mm20.160.210.260.590.1116.91
Yield strength of horizontal reinforcementfyhkN/mm20.000.480.400.500.15−1.60
Yield strength of vertical web reinforcementfyvkN/mm20.000.380.350.480.18−1.11
Ratio of horizontal web reinforcementρh10–20.000.450.492.450.56193.12
Ratio of longitudinal reinforcement to concrete areaρs0.000.010.010.020.00−0.48
Ratio of vertical web reinforcementρv10–20.000.480.512.450.54213.04
Shear strengthVkN74.00161.00203.58675.00121.932.20

aStandard deviation. bSkewness.