Plot the pressure versus void ratio curve on a semilog graph

Reference no: EM131012576

The pressure versus void ratio data determined from a consolidation test on an undisturbed clay specimen are as follows:

Pressure (kPa) Void Ratio    Pressure (kPa) Void Ratio
20                    0.864           1280              0.602
40                    0.853 320                 0.628
80                    0.843                80                  0.663
160    0.830    20                  0.704
320    0.785                 0 0.801
640                  0.696

a) Plot the pressure versus void ratio curve on a semilog graph

b) Determine CC and Cr

c) Estimate the stress at which this clay has been preconsolidated

d) If this samples was taken from 5 meters below the ground surface, estimate the OCR.

Reference no: EM131012576

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