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Table 3 Quantitative comparison between measured and predicted crack spacings

From: An Adaptive Crack Width Prediction for Flexural Steel Reinforced UHPC Beams

Average crack spacing (mm)

Specimens

Crack numbers

Measuredâ‘ 

Average

Equation 27 Predictedâ‘¡

Equation 28 Predictedâ‘¢

â‘¡/â‘ 

â‘¢/â‘ 

L2.33%-1.5%-1

10

66.67

63.33

76.22

60.36

1.20

0.95

L2.33%-1.5%-2

11

60.00

L2.33%-2.0%-1

12

54.55

52.27

76.22

54.42

1.46

1.04

L2.33%-2.0%-2

13

50.00

L2.33%-3.0%-1

13

50.00

48.08

76.22

47.59

1.59

0.99

L2.33%-3.0%-2

14

46.15

L1.48%-2.0%-1

11

60.00

63.33

85.76

63.96

1.35

1.01

L1.48%-2.0%-2

10

66.67

L2.83%-2.0%-1

13

50.00

50.00

72.74

50.95

1.45

1.02

L2.83%-2.0%-2

13

50.00

 

Standard deviation

0.13

0.03

Average

1.41

1.00

Coefficient of variance

0.09

0.03