The following results were obtained at failure in a series of drained triaxial tests on a fully saturated clay specimen originally 38 mm in diameter by 76 mm long. Determine the shear strength parameters with respect to (a) total stress, and (b) effective stress. Axial load (N) All around pressure kN/m 200 400 600 Axial compression (mm) 7.22 8.36 9:41 565 1015 1321 Volume change (cm) 5.25 7.4 9.3