3) The following results are yielded from consolidated undrained (CU) triaxial tests on

undisturbed saturated clay specimens. Estimate (graphically) the shear strength

parameters c' and Ø' of the tested clay.

Test

no.

A

B

C

Chamber

pressure,

03 (kPa)

100

175

250

Deviator stress

at failure,

Δσ (kPa)

100

200

250

Pore water

pressure, at

failure, U (kPa)

40

45

85