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

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

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Specific Energy in <strong>Clay</strong>.<br />

Appendix U: Specific Energy in <strong>Clay</strong>.<br />

6000<br />

Specific energy<br />

5400<br />

4800<br />

4200<br />

3600<br />

kPa<br />

3000<br />

2400<br />

1800<br />

1200<br />

600<br />

0<br />

0 10 20 30 40 50 60 70 80 90 100<br />

SPT<br />

r = 0.25 r = 0.50 r = 1 r = 2 r = 4<br />

100000<br />

Production per 100 kW<br />

10000<br />

m 3 /hour<br />

1000<br />

100<br />

10<br />

1 10 100<br />

SPT<br />

r = 0.25 r = 0.50 r = 1 r = 2 r = 4<br />

Specific energy and production for a 30 degree blade in clay.<br />

Figure U-1: Specific energy and production in clay for a 30 degree blade.<br />

Copyright © Dr.ir. S.A. Miedema TOC Page U-125 of 228

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