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Table AT1. Permeability testing results, Sample 315-C0001E-4H-2, 74–95 cm, vertical.

Effective
stress
MPa (psi)
Test
run
Volumetric
flow rate
(cm3/min)
Discharge
velocity
(cm/s)
Head loss
(cm)
Hydraulic
gradient
Hydraulic
conductivity
(cm/s)
Intrinsic
permeability
(m2)
0.03 (5) 1 0.006 8.24E–06 174 32.8 2.51E–07 2.49E–16
2 –0.006 –8.24E–06 –167 –31.5 2.62E–07 2.60E–16
3 0.010 1.37E–05 285 53.8 2.56E–07 2.54E–16
4 –0.010 –1.37E–05 –280 –52.8 2.60E–07 2.58E–16
Average:
 2.57E–07 2.55E–16
0.14 (20) 1 0.003 4.12E–06 118 22.3 1.85E–07 1.84E–16
2 –0.003 –4.12E–06 –116 –21.9 1.88E–07 1.87E–16
3 –0.006 –8.24E–06 –242 –45.7 1.81E–07 1.79E–16
4 0.006 8.24E–06 258 48.7 1.69E–07 1.68E–16
Average:
 1.81E–07 1.79E–16
0.28 (40) 1 0.003 4.12E–06 179 33.8 1.22E–07 1.21E–16
2 0.002 2.75E–06 120 22.6 1.21E–07 1.20E–16
3 –0.002 –2.75E–06 –124 –23.4 1.17E–07 1.17E–16
4 –0.003 –4.12E–06 –192 –36.2 1.14E–07 1.13E–16
Average:
 1.19E–07 1.18E–16
0.41 (60) 1 0.003 4.12E–06 227 42.8 9.62E–08 9.55E–17
2 0.002 2.75E–06 149 28.1 9.77E–08 9.70E–17
3 –0.002 –2.75E–06 –152 –28.7 9.58E–08 9.51E–17
4 –0.003 –4.12E–06 –226 –42.6 9.67E–08 9.59E–17
Average:
 9.66E–08 9.59E–17
0.55 (80) 1 0.002 2.75E–06 205 38.7 7.10E–08 7.05E–17
2 –0.002 –2.75E–06 –202 –38.1 7.21E–08 7.16E–17
3 0.001 1.37E–06 92 17.4 7.92E–08 7.86E–17
4 –0.001 –1.37E–06 –100 –18.9 7.28E–08 7.23E–17
Average:
7.38E–08 7.32E–17

Positive values of volumetric flow rate and discharge velocity indicate bottom to top flow through the specimen; negative values indicate top to bottom flow.

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