Table 4 Tensile strength values ​​obtained from laboratory tests and machine learning models for different w/c ratios.

From: Hybrid machine learning models for predicting the tensile strength of reinforced concrete incorporating nano-engineered and sustainable supplementary cementitious materials

w/c ratio

Tensile strength (MPa)

Laboratory test

SVR

XGBoost

ANN

HEM

0.2

34.21

36.47

35.62

35.94

34.13

0.3

36.33

36.00

35.60

34.36

36.42

0.4

36.95

35.53

35.64

33.16

36.84

0.5

35.88

34.60

35.28

32.13

35.68

0.6

33.62

33.47

34.57

31.98

33.86

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