Application of Artificial Intelligence for the Estimation of Concrete and Reinforcement Consumption in the Construction of Integral Bridges

Table 9

Artificial neural network models with random data choice for estimating concrete consumption (k-fold cross-validation, k = 10).

Model name	Data-scaling procedure	Model characteristics	Activation function of hidden layers	Activation function of an output layer	MAPE (%)	σ (%)
NMB7	StandardScaler	MLP 6-4-1	ReLu	Identity	12.69	3.64