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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> Properties of the 200 μm <strong>Sand</strong>.<br />

Table K-4: <strong>The</strong> angle of internal friction as function of the pore percentage.<br />

Pore percentage Cell pressure kPa Angle of internal friction<br />

Dry<br />

43.8% 50 35.1º<br />

41.2% 50 36.0º<br />

39.9% 50 38.3º<br />

Saturated undrained<br />

43.8% 100 30.9º<br />

42.1% 10 31.2º<br />

42.1% 50 31.2º<br />

42.1% 100 31.6º<br />

42.2% 100 32.0º<br />

41.8% 10 33.1º<br />

41.3% 10 31.9º<br />

41.2% 50 32.2º<br />

41.1% 50 30.1º<br />

41.1% 100 31.3º<br />

41.1% 100 33.7º<br />

41.0% 100 35.2º<br />

40.5% 10 33.8º<br />

40.3% 50 33.7º<br />

40.4% 100 33.1º<br />

39.8% 10 34.1º<br />

39.2% 10 33.8º<br />

39.2% 50 33.8º<br />

39.2% 100 33.9º<br />

38.2% 10 35.2º<br />

38.1% 50 35.3º<br />

38.1% 100 35.0º<br />

37.3% 10 37.4º<br />

37.0% 10 38.6º<br />

37.0% 50 37.3º<br />

36.9% 100 36.8º<br />

36.2% 100 38.0º<br />

100<br />

Cumulative Grain Size Distribution<br />

90<br />

80<br />

% Finer by Weight<br />

70<br />

60<br />

50<br />

40<br />

30<br />

20<br />

10<br />

0<br />

0.001 0.01 0.1 1 10 100 1000<br />

Grain Size in mm<br />

<strong>Clay</strong><br />

V. Fine Fine Medium Coarse V. Fine Fine Medium Coarse V. Coarse Grains Pebbles Cobbles Boulders<br />

Silt <strong>Sand</strong> Gr avel<br />

Figure K-1: <strong>The</strong> PSD of the 200 μm sand.<br />

Copyright © Dr.ir. S.A. Miedema TOC Page K-51 of 228

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