Table 7 Horizontal force distribution ratio(%) (work condition 3)

Model

Frontal resistance of front leg

Friction at the bottom of front leg

Friction at the outside of front leg

Friction at the inside of front leg

Total of front leg

Frontal resistance of rear leg

flac3D

25.8

4.1

6.6

4.2

40.7

16.8

theoretical calculation

25.5

5.4

5.1

2.2

38.2

6.9

Model

Friction at the bottom of rear leg

Friction at the outside of rear leg

Friction at the inside of rear leg

Total of rear leg

Friction of cushion cap

Resistance of the front of cushion cap

Total

flac3D

0.2

3.8

1.6

22.3

29.4

7.7

37.1

theoretical calculation

6.1

8.0

2.1

23.2

29.7

8.9

38.6