Strip Size (mm)

Treatment Level (%)

φ

C (kPa)

None

0

5.71

49.83

5 * 7.5

0.5

6.66

51.64

1

7.15

54.43

2

7.64

56.88

10 * 15

0.5

7.31

60.84

1

7.76

61.17

2

8.36

61.87

15 * 20

0.5

8.98

62.67

1

8.75

62.50

2

8.28

62.00