A consolidated-drained (CD) triaxial test was conducted on a normally consolidated clay. The clay specimen was consolidated under a confining pressure of 276 kPa, after that it was sheared and failed at a deviator stress of 276 kPa. Please determine a. Angle of friction . b. Angle that the failure plane makes with the major principle plane. c. Find the normal stress o' and shear stress on the fialure plane. d. determine the effective normal stress o' on the plane of maxmum shear stress.

Structural Analysis
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Chapter2: Loads On Structures
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Subject: Soil mechanics
A consolidated-drained (CD) triaxial test was conducted on
a normally consolidated clay. The clay specimen was
consolidated under a confining pressure of 276 kPa, after
that it was sheared and failed at a deviator stress of 276
kPa. Please determine
a. Angle of friction p.
b. Angle that the failure plane makes with the major
principle plane.
c. Find the normal stress o' and shear stress on the
fialure plane.
d. determine the effective normal stress o' on the plane
of maxmum shear stress.
Transcribed Image Text:A consolidated-drained (CD) triaxial test was conducted on a normally consolidated clay. The clay specimen was consolidated under a confining pressure of 276 kPa, after that it was sheared and failed at a deviator stress of 276 kPa. Please determine a. Angle of friction p. b. Angle that the failure plane makes with the major principle plane. c. Find the normal stress o' and shear stress on the fialure plane. d. determine the effective normal stress o' on the plane of maxmum shear stress.
A specimen of saturated sand was consolidated under an
confining pressure of 105kPa. Upon the completion of the
consolidation, the axial stress was then increased and
drainage was prevented. The specimen failed when the
axial deviator stress reached 70kPa, and the pore water
pressure at failure was 50kPa. Please determine:
a. Consolidated-undrained friction angle p
b. Drained friction angle d'
O
<
Transcribed Image Text:A specimen of saturated sand was consolidated under an confining pressure of 105kPa. Upon the completion of the consolidation, the axial stress was then increased and drainage was prevented. The specimen failed when the axial deviator stress reached 70kPa, and the pore water pressure at failure was 50kPa. Please determine: a. Consolidated-undrained friction angle p b. Drained friction angle d' O <
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