TM 5-818-5/AFM 88-5, Chap 6/NAVFAC P-418
ASSUMPTIONS
(k,
k h CONSTANT)
SOIL AT INTAKE, INFINITE DEPTH AND DIRECTIONAL ISOTROPY
AND
- NO
DISTURBANCE, SEGREGATION, SWELLING, OR CONSOLIDATION OF SOIL - NO SEDIMENTATION OR
LEAKAGE - NO AIR OR GAS IN SOIL, WELLPOINT, OR PIPE - HYDRAULIC LOSSES IN PIPES, W E L L -
POINT, OR FILTER NEGLIGIBLE.
U.S. Army Corps of Engineers
Figure 3-5. Formulas for determiningpermeability from field failing head tests.
3-7
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