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

The Properties of the 105 μm Sand.
Table L-3: The d50 of the sand as a function of time.
Date
d50 (mm)
06-08-1986 0.102
06-08-1986 0.097
06-08-1986 0.104
06-08-1986 0.129
06-08-1986 0.125
06-08-1986 0.123
29-08-1986 0.105
29-08-1986 0.106
29-08-1986 0.102
16-09-1986 0.111
16-09-1986 0.105
16-09-1986 0.107
Table L-4: The angle of internal friction as a function of the pore percentage.
Pore percentage Cell pressure kPa Angle of internal friction
Saturated undrained
After the flushing
44.7% 100 33.5º
44.9% 200 33.3º
44.5% 400 32.8º
42.6% 100 35.0º
42.1% 200 35.5º
42.2% 400 34.8º
39.8% 100 38.6º
39.9% 200 38.3º
39.6% 400 37.9º
100
Cumulative Grain Size Distribution
90
80
% Finer by Weight
70
60
50
40
30
20
10
0
0.001 0.01 0.1 1 10 100 1000
Grain Size in mm
Clay
V. Fine Fine Medium Coarse V. Fine Fine Medium Coarse V. Coarse Grains Pebbles Cobbles Boulders
Silt Sand Gr avel
Figure L-1: The PSD of the 105 μm sand.
Copyright © Dr.ir. S.A. Miedema TOC Page L-55 of 228