For a laboratory consolidation test on a 25 mm thick clay specimen (drained on both ends), the following data were obtained e ' (kN m2) 0 85 125 0 71 250 If the time for 70 consolidation is 4 8 min, determine the hydraulic conductivity of the clay for the loading range ...

k c v m v w 629 10 4 m 2 kN 131 ...

For a laboratory consolidation test on a 25-mm-thick clay specimen (drained on both ends), the following data

Question:

For a laboratory consolidation test on a 25-mm-thick clay specimen (drained on both ends), the following data were obtained:
e σ' (kN/m2)
0.85..................125
0.71..................250
If the time for 70% consolidation is 4.8 min, determine the hydraulic conductivity of the clay for the loading range.