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 Soil Mechanics II CE 480 Three Credit Hours Course Syllabus 1.         Introduction             Soil Classification and Physical Properties             and General Mechanical Behavior of Soil  2.         Permeability and Seepage             Coefficient of Permeability                         Constant Head Permeability Test                         Falling Head Permeability Test                         Field Permeability Test             Equation of Continuity             Flow Net and Rate of Flow             Uplift Pressure  3.         Stress in a Soil Mass             Normal and Shear Stresses Along a Plane             Principal Stress and Principal Plane             Stress Due to a Point Load             Stress Due to a Live Load             Stress Due to a Strip Load             Stress Due to a Circular Load             Vertical Stress Caused by Rectangular Load             New Mark Channel             Approximate Method  4.         Compressibility of Soil             Consolidation Settlement             Consolidation Test             Normally Consolidation and Over Consolidation Clays             Rate of Consolidation, Terzaghi Theory of Consolidation             Secondary Compression             Flexible and Rigid Foundation  5.         Shear Strength of Soil             Mohr-Coulomb Failure Criterion             Determination of Shear Strength Parameters             Direct Shear Test, Triaxial Compression Test             Unconfined Test             Stress Path             Field Shear Test (Vane Shear Test, Penetration Test)  6.         Lateral Earth Pressure             Earth Pressure At-Rest           Active Earth Pressure             Passive Earth Pressure             Rankine's Theory             Coulomb's Earth Pressure Theory             Graphic Solution of Coulomb's Method             Retaining Walls, Pressure Distribution and Stability of Retaining Wall  7.         Slope Stability             Stability of Infinite Slopes             Finite Slopes             Circular Failure Surface             Stability Chart             Method of Slices  There will two midterm exams each carries 20% and homework 10%.  The final carries 50%.  Text Book "Principles of Geotechnical Engineering by Braja M. Das   Typical Exam  Mid-Term Exam  Question One a)Draw Mohr circles for both the avtive and passive earth pressure for the given failure envelope. b)A frictionless retaining wall is shown below. Draw the pressure distribution for both the active and passive cases ,and find the active and passive forces per unit length of the wall due to the surcharge q only Question Two For the retaining wall shown below. Determine the active force per unit length of the wall for Rankine state.Also, find the location of the resultant. Question Three a)For the infinite slope shown below,find the factor of safety against sliding along the planeAB b)if there were seepage through the soil, and the ground water table coincided with the ground surface,what will be the value of the factor of safety(assume the unit weight is 18.5Kn/m3)   Final Exam Question One a)List two disadvantages othe direct shear test. b)State the assumptions made in the ordinary method of slices.  c}From the figure,determine the copression index d)Draw Mohr cicle for the unconfined copression test.Show and write relationship between the undrained shear strength and the unconfined copression strength. Question Two For the soil profile shown below caculate the consolidation settlement for the following cases     i) The precopression pressureis 70 knlm2    ii)the precopression pressure is 100 knlm2 Question Three Laboratory test on a clay sample of thickness 19 mm(drained at the top and bottom)indicated that the time for 50 percent consolidation is 40 minutes        (a) Find the time for a clay  layer in the field(similar to the soil sample)of a thickness of 2m to undergo 50 percent consolidation  that there is a rock statum at the bottom of the clay layer         (b)Finf the time for the clay layer(described in part a) to reach 80 percent consolidation. Question Four (a) Write down Mohr -Coulomb failure criterion(shear strength equation),Define each term (b) A consolidated undrained triaxial test on normally consolidated clay yielded the following results                 Confined pressure is 90 knlm2                 Deviator stress is 60 knlm2                 Pore pressure is 40 knlm2 Find the shear strength parameters in terms of total and effective stresses What will be the normal stress and shear strength at failure? Question Five (a) State the main difference between Rankine and Coulomb theory for lateral earth pressure. (b) For the retaining wall shown ,plot the active pressure distribution and determine the active pressure force and its location Question Six For the slope shown below ,determine the factor of safety with respect to strength.                                                                                       References   There are several books which can be use as an alternative text book or reference book in geotechnical engineering.