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(c) The falling head permeability test was conducted at 20∘c at which γw=9.789kN/m3 and η=1.005×10−3 N.s/m2. Given the
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(c) The falling head permeability test was conducted at 20∘c at which γw=9.789kN/m3 and η=1.005×10−3 N.s/m2. Given the
(c) The falling head permeability test was conducted at 20∘c at which γw=9.789kN/m3 and η=1.005×10−3 N.s/m2. Given the data as below; Length of the soil sample, L=16 m Area of the soil sample, A=2.3 m Area of the standpipe, a=0.75 m At time t=0, head difference =410 mm At time t=10 min, head difference =185 mm (i) Determine the absolute permeability of the soil (cm/sec). ( 5 marks) (ii) What was the head difference at t=6 min. (4 marks)
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