5,The following result were obtained from a series of undrained triaxial test carried out on undisturbed samples of acompacted soil: Each sample is originally 76mm Long and 38mm in diameter, experienced a vertical deformation 2 mmDraw the strength envelop & Determine coulomb equation for the shear strength of the soil in terms of total stresses,Cell pressure (kPa) Additional axial load at Failure (N)100350250400400500 Direct shear tests were performed on a dry. sandy soil. Thesize of the specimen was 50 mm x 50 mm x 20 mm. Testresults were as given in the table.Test no.Normal force (N)Shear force at failure (N)90542.13582.35315189.54.450270.5Find the shear stress parameters.3, Drive the general formula the horizontal stress as the function of vertical stress, cohesion and internalfrictionalangel,andproof,0 =45° +/2o, -o, tan (45 ++ 2c tan(45 +-) and1-sin- sin o-2c1+ sinofrom fig below.1+sino

Given- Specimen Size=50mm×50mm×20mm

2 Direct shear tests were P size of the specimen was results were as given in Test no. Normal force 90 2. 135 3. 315 450 Find the shear stress par 3, Drive the general formula the horizonta frictional angel, and proof, 1-sin 14 sine 1-sin -20 e fror 1+ sin e

2 Direct shear tests were P size of the specimen was results were as given in Test no. Normal force 90 2. 135 3. 315 450 Find the shear stress par 3, Drive the general formula the horizonta frictional angel, and proof, 1-sin 14 sine 1-sin -20 e fror 1+ sin e

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter12: Shear Strength Of Soil

Section: Chapter Questions

Problem 12.7P

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