The following data are for a falling-head permeability test: Length of the soil sample = 140 mm Diameter of the soil sample = 70 mm Area of the standpipe = 19.6 mm? At time t =0, head difference = 500 mm At time t = 7 minutes, head difference = 350 mm (c) (i) Determine the hydraulic conductivity of the soil (m/sec) (ii) What was the head difference att 5 minutes?

Structural Analysis
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(i) Determine the hydraulic conductivity of the soil (m/sec)
(ii) What was the head difference at t = 5 minutes?

The following data are for a falling-head permeability test:
Length of the soil sample = 140 mm
Diameter of the soil sample = 70 mm
Area of the standpipe = 19.6 mm?
At time t =0, head difference = 500 mm
At time t = 7 minutes, head difference = 350 mm
(c)
(i) Determine the hydraulic conductivity of the soil (m/sec)
(ii)
What was the head difference at t= 5 minutes?
Transcribed Image Text:The following data are for a falling-head permeability test: Length of the soil sample = 140 mm Diameter of the soil sample = 70 mm Area of the standpipe = 19.6 mm? At time t =0, head difference = 500 mm At time t = 7 minutes, head difference = 350 mm (c) (i) Determine the hydraulic conductivity of the soil (m/sec) (ii) What was the head difference at t= 5 minutes?
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