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

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

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<strong>The</strong> <strong>Delft</strong> <strong>Sand</strong>, <strong>Clay</strong> & <strong>Rock</strong> <strong>Cutting</strong> <strong>Model</strong>.<br />

10.00<br />

No Cavitation<br />

9.00<br />

8.00<br />

7.00<br />

Fh (kN)<br />

6.00<br />

5.00<br />

4.00<br />

3.00<br />

2.00<br />

1.00<br />

0.00<br />

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0<br />

vc (m/s)<br />

<strong>The</strong>ory Measurement 1 Measurement 2 Measurement 3<br />

2.50<br />

No Cavitation<br />

2.20<br />

1.90<br />

1.60<br />

Fv (kN)<br />

1.30<br />

1.00<br />

0.70<br />

0.40<br />

0.10<br />

-0.20<br />

-0.50<br />

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0<br />

vc (m/s)<br />

<strong>The</strong>ory Measurement 1 Measurement 2 Measurement 3<br />

Figure M-25: α=45°, hi=141 mm, hb=141 mm.<br />

<strong>The</strong> cutting forces Fh and Fv on the blade. Experiments in 200 m sand, with α=45°, β=30º, φ=38º, δ=30º,<br />

ni=38.53%, nmax=43.88%, ki=0.000165 m/s, kmax=0.000320 m/s, hi=141 mm, hb=141 mm, w=0.2 m, z=0.6 m and<br />

a non-cavitating cutting process.<br />

Page M-74 of 228 TOC Copyright @Dr.ir. S.A. Miedema

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