l = 0.9 m

sheet thickness, mm

h = 5 mm

h = 10 mm

h = 20 mm

No. of measurement

1

2

3

1

2

3

1

2

3

Force Р, kN

3.30

3.15

3.08

13.1

12.9

13.4

49.5

52.1

48.7

l = 0.4 m

sheet thickness, mm

h = 5 mm

h = 10 mm

h = 20 mm

No. of measurement

1

2

3

1

2

3

1

2

3

Force Р, kN

7.08

7.21

7.18

29.8

30.1

29.4

110.1

117.7

108.3

l = 0.2 m

sheet thickness, mm

h = 5 mm

h = 10 mm

h = 20 mm

No. of measurement

1

2

3

1

2

3

1

2

3

Force Р, kN

14.8

13.9

13.1

59.8

58.3

60.1

235.2

237.4

229.9