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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 />

2500<br />

Specific energy<br />

2250<br />

2000<br />

1750<br />

1500<br />

kPa<br />

1250<br />

1000<br />

750<br />

500<br />

250<br />

0<br />

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

SPT<br />

z = 0 m z = 5 m z = 10 m z = 15 m z = 20 m z = 25 m z = 30 m<br />

10000<br />

Production per 100 kW<br />

m 3 /hour<br />

1000<br />

100<br />

1 10 100<br />

SPT<br />

z = 0 m z = 5 m z = 10 m z = 15 m z = 20 m z = 25 m z = 30 m<br />

Specific energy and production for a 45 degree blade and a cavitating<br />

cutting process in sand as a function of the reduced SPT value.<br />

Figure O-2: Specific energy and production in sand for a 45 degree blade.<br />

Page O-92 of 228 TOC Copyright @Dr.ir. S.A. Miedema

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