Question

Q2)-A - Calculate the shearing strength along plane at 7 m in coarse sand soil, the ground water table is at depth of 3 m below the surface.the bulk density of soil above the water table is yo =18.9 kN/m and the saturated density below ground water table is 20.5 kN/m². The angle of internal friction of the sand is 32° - 4m GS 3m Yo = 18.9 kN/m2 V GWT Ysat. = 20.5 kN/m2 o = 32° coarse sand soil B) A consolidated undrained triaxial test was conducted on specimen of saturated clay with cell pressure 03 = 10 kN/m2, at failure the deviator stress Od = 14 kN/m2 and the failure plane angle so. Determine the shear stress and normal stress acting on the failure plane 050.

soil mechanics

Answer 1

Answers are boxed

А Effective stress معين 11 = 18.9837 20.574-9.814 y =99.46 kPa Ap soil is sand, cao luear the Ahength cact 5 tond ?= 99.46 ton 32 C:62.15 kla B coch Klod 800 9 -lokla o, lot14=24KPG Given foil we plane ip at soo 50x2=100° from o plano. Circle irey Radius of Mohr 24-10 - = 7 kea 2

.: Shear thress failure plane ?= Radius esin 80 - 7 sindo ei 6.8936 kPa o 10+ 7 = 17kla o @ Joiluere plane I 17 I cos 80 o.15: 78446 Kla