Table 8 CS values ​​obtained from laboratory tests and machine learning models for different w/c ratios.

From: Application of machine learning techniques to predict the compressive strength of steel fiber reinforced concrete

w/c ratio

CS results (MPa)

Laboratory test

KNN

SVR

GPR

XGBR

RFR

ANN

0.30

32.51

31.18

33.17

32.85

31.61

32.89

31.52

0.35

34.10

31.58

34.88

34.19

33.16

33.96

32.28

0.40

34.98

32.39

36.36

35.18

34.79

34.79

32.84

0.45

35.55

34.15

37.24

35.80

35.03

35.11

33.40

0.50

36.18

34.98

37.36

36.04

35.02

34.85

33.84

0.55

36.21

34.47

36.77

35.88

35.11

34.60

34.01

0.60

35.46

34.93

35.68

35.33

32.78

34.41

34.02

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