the shear strength parameters. b) For experiment no.1, find the effective normal and shear stresses wwww www acting on the shear plane. calculate. Determine the angle that the slip plane makes with the horizontal. c) In clay soils with the same effective shear strength parameters If a combined drainless triaxial pressure test has been carried out and this sample is 240 wwm ww If KPa had collapsed under cell pressure and 277 kPa deviatoric stress, www What will be the pore pressure in the sample at the time of collapse? wwwm w

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Under 3 different cell pressures on a water-saturated clay soil
sample
Triaxial pressure test with consolidation drainage was performed.
Ground tested sample is 38 mm in diameter and 76 mm in height.
At the time of collapse in experiments
According to the parameters given in the table below;
sample
1
2
cell pressure
200
400
600
(Kpa)
Axial load at
480
895
1300
the time of
collapse(kN)
Axial length
7.22
8.36
9.41
shortening at
the time of
collapse(mm)
Volume
5.25
7.4
9.3
change at the
time of
collapse (ml)
Transcribed Image Text:Under 3 different cell pressures on a water-saturated clay soil sample Triaxial pressure test with consolidation drainage was performed. Ground tested sample is 38 mm in diameter and 76 mm in height. At the time of collapse in experiments According to the parameters given in the table below; sample 1 2 cell pressure 200 400 600 (Kpa) Axial load at 480 895 1300 the time of collapse(kN) Axial length 7.22 8.36 9.41 shortening at the time of collapse(mm) Volume 5.25 7.4 9.3 change at the time of collapse (ml)
a) The deviator stress for each test sample and what you will obtain
w w m w
whm w
for drained conditions
Calculate the shear strength parameters.
b) For experiment no.1, find the effective normal and shear stresses
acting on the shear plane.
wwwm wwm w
calculate. Determine the angle that the slip plane makes with the
horizontal.
wwm ww m w ww
ww ww m
c) In clay soils with the same effective shear strength parameters
If a combined drainless triaxial pressure test has been carried out and
this sample is 240
wwwwwww ww vwwww www
If KPa had collapsed under cell pressure and 277 kPa deviatoric
wwwn b
w ww
stress,
wwwww
What will be the pore pressure in the sample at the time of collapse?
w m
wwm d w b w
wwm ww m
w mlw
Transcribed Image Text:a) The deviator stress for each test sample and what you will obtain w w m w whm w for drained conditions Calculate the shear strength parameters. b) For experiment no.1, find the effective normal and shear stresses acting on the shear plane. wwwm wwm w calculate. Determine the angle that the slip plane makes with the horizontal. wwm ww m w ww ww ww m c) In clay soils with the same effective shear strength parameters If a combined drainless triaxial pressure test has been carried out and this sample is 240 wwwwwww ww vwwww www If KPa had collapsed under cell pressure and 277 kPa deviatoric wwwn b w ww stress, wwwww What will be the pore pressure in the sample at the time of collapse? w m wwm d w b w wwm ww m w mlw
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