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Table AT7. Permeability testing results, Sample 315-C0001F-15H-2, 25–45 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 0.005 7.75E–06 200 41.7 1.86E–07 1.85E–16
2 0.002 3.10E–06 92 19.2 1.62E–07 1.61E–16
3 –0.002 –3.10E–06 –92 –19.2 1.62E–07 1.61E–16
4 –0.005 –7.75E–06 –205 –42.7 1.81E–07 1.80E–16
Average:
1.73E–07 1.71E–16
0.14 (20)     1 0.005 7.75E–06 400 83.3 9.30E–08 9.23E–17
2 0.002 3.10E–06 170 35.4 8.75E–08 8.69E–17
3 –0.002 –3.10E–06 –180 –37.5 8.27E–08 8.21E–17
4 –0.005 –7.75E–06 –395 –82.3 9.42E–08 9.35E–17
Average:
8.93E–08 8.87E–17
0.28 (40)     1 0.005 7.75E–06 590 122.9 6.31E–08 6.26E–17
2 0.002 3.10E–06 245 51.0 6.07E–08 6.03E–17
3 –0.002 –3.10E–06 –240 –50.0 6.20E–08 6.15E–17
4 –0.005 –7.75E–06 –600 –125.0 6.20E–08 6.15E–17
Average:
6.19E–08 6.15E–17
0.41 (60)     1 0.005 7.75E–06 720 150.0 5.17E–08 5.13E–17
2 0.002 3.10E–06 290 60.4 5.13E–08 5.09E–17
3 –0.002 –3.10E–06 –300 –62.5 4.96E–08 4.92E–17
4 –0.005 –7.75E–06 –715 –149.0 5.20E–08 5.16E–17
Average:
5.12E–08 5.08E–17
0.55 (80)     1 0.005 7.75E–06 870 181.3 4.28E–08 4.24E–17
2 0.002 3.10E–06 340 70.8 4.38E–08 4.34E–17
3 –0.002 –3.10E–06 –352 –73.3 4.23E–08 4.20E–17
4 –0.005 –7.75E–06 –866 –180.4 4.30E–08 4.26E–17
Average:
4.29E–08 4.26E–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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