The Delft Sand, Clay & Rock Cutting Model, 2019a

The Delft Sand, Clay & Rock Cutting Model.
B: Brittle Tensile Hor. Force Coefficient λ HT vs. Blade Angle α
20
Brittle Tensile Horizontal Force Coefficient λ HT (-)
18
16
14
12
10
8
6
4
2
0
15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100
Blade Angle α (Degrees)
φ=00°
φ=05°
φ=10°
φ=15°
φ=20°
φ=25°
φ=30°
φ=35°
φ=40°
φ=45°
© S.A.M.
Figure 8-45: The brittle (tensile failure) horizontal force coefficient λHT.
B: Brittle Tensile Vertical Force Coefficient λ VT vs. Blade Angle α
3.0
2.5
φ=00°
Brittle Tensile Vertical Force Coefficient λ VT (-)
2.0
1.5
1.0
0.5
0.0
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100
Blade Angle α (Degrees)
φ=05°
φ=10°
φ=15°
φ=20°
φ=25°
φ=30°
φ=35°
φ=40°
φ=45°
© S.A.M.
Figure 8-46: The brittle (tensile failure) vertical force coefficient λVT.
Page 288 of 454 TOC Copyright © Dr.ir. S.A. Miedema