A test boring was performed at an elevation 955 feet MSL, and it found the phreatic surface (water table) 5 feet below the ground surface. An aquifer stratum was identified, and a sample of its soil showed the grain size distribution below. Estimate the permeability using Hazen's formula with the coefficient C = 12. A piezometer (measures the location of the WT) was installed 2500 feet downstream from the boring, and showed its phreatic surface at elevation 942 feet MSL. If the thickness of the aquifer was a uniform 12 feet between both points, estimate the quantity of flow per foot of width in gallons/hour (1 ft - 7.45gallons).
A test boring was performed at an elevation 955 feet MSL, and it found the phreatic surface (water table) 5 feet below the ground surface. An aquifer stratum was identified, and a sample of its soil showed the grain size distribution below. Estimate the permeability using Hazen's formula with the coefficient C = 12. A piezometer (measures the location of the WT) was installed 2500 feet downstream from the boring, and showed its phreatic surface at elevation 942 feet MSL. If the thickness of the aquifer was a uniform 12 feet between both points, estimate the quantity of flow per foot of width in gallons/hour (1 ft - 7.45gallons).
Chapter2: Loads On Structures
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Transcribed Image Text:A test boring was performed at an elevation 955 feet MSL, and it found the phreatic surface
(water table) 5 feet below the ground surface. An aquifer stratum was identified, and a sample of
its soil showed the grain size distribution below. Estimate the permeability using Hazen's formula
with the coefficient C = 12. A piezometer (measures the location of the WT) was installed 2500 feet
downstream from the boring, and showed its phreatic surface at elevation 942 feet MSL. If the
thickness of the aquifer was a uniform 12 feet between both points, estimate the quantity of flow
per foot of width in gallons/hour (1 ft - 7.45gallons).
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