BE Civil Engineering Semester 6 (TE Third Year)University of Mumbai

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Geotechnical Engineering 2 Semester 6 (TE Third Year) BE Civil Engineering University of Mumbai Topics and Syllabus

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CBGS [2014 - 2017]
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Topics with syllabus and resources

100.00 Stability of Slopes
  • Introduction,
  • Types of Slope Failures,
  • analysis of finite & infinite slopes (No proof),
  • wedge failure,
  • Swedish circle method,
  • friction circle method,
  • Stability numbers ,
  • charts,
  • numericals based on all the above concepts
200.00 Lateral Earth Pressure Theories

i Introduction, types of earth pressure ( At rest , active, passive )

ii Rankine’s earth pressure theory: Active earth pressure; Passive Earth pressure for horizontal & inclined backfill for cohesive & Cohesionless soils.

iii Coulomb’s Wedge Theory: Active earth pressure; Passive Earth pressure conditions (No Proof)

iv Graphical Methods:

a) Rebhann’s construction for active pressure,

b) Culmann’s Method for active condition,

c) Friction circle method: Cohesive & Cohesion less Soils,.

V Numericals on all the above concepts

300.00 Earth Retaining Structures
  1. Types viz., Rigid & flexible
  2. Stability Analysis of Retaining Walls
  3. Cantilever Retaining walls: Earth Pressure Diagram, Embedment Length
  4. Numericals on the above concepts
400.00 Bearing Capacity of Shallow Foundations
  1. a) Definitions: Ultimate Bearing Capacity, Safe bearing Capacity, Allowable Bearing Pressure, b) Factors influencing Bearing Capacity
  2. Bearing Capacity Estimation Theories:

A) Terzaghi’s Theory:

a) Assumptions, limitations, concept behind derivation, zone of failure, its relevance to bearing capacity equation, modes of Failure

b)Bearing Capacity for different Shear Failures, Different geometries.

c) Effect of Water Table on bearing Capacity.

B) Vesic’s Theory: Bearing Capacity Equation.

C) IS Code Method: Bearing Capacity Equation.

iii. Field Methods:

a) Standard Penetration Test: Estimation of Bearing Capacity from corrected SPT “N”.

b) Field Plate Load Test: Estimation of Footing Size, Graphical method of estimating Allowable Bearing Pressure

iv. Numericals on the above concepts

500.00 Axially Loaded Pile Foundations

A) Definition, Types of Pile Foundations, Necessity of Pile Foundations.

B ) Pile Carrying Capacity Estimation in Cohesive & Cohesion-less soils

i) Single Pile:

a) Static Methods,

b) Dynamic Methods,

c) Insitu Penetration Test (SCPT)

d) Pile Load Test as per IS: 2911.

C)Pile Groups :

a) Ultimate Capacity

D) Settlement of Pile Groups in Cohesive & Cohesion-less soils as per IS: 2911.

E) Numericals on the above concepts.

600.00 Underground Conduits

i. a) Types of Conduits, b.) Load on Ditch Conduit c) Settlement Ratio,

ii.a) Plane of Equal Settlement, b) Ditch Projection Condition.

iii. No Proofs; numerical

700.00 Open Cuts

i.a)Definition: Open cut, Apparent Earth Pressure Diagram,

  b) Average Apparent Earth Pressure Diagram for Cohesive & Cohesion-less soils.

ii) Estimation of Strut Loads: Determination of Strut loads for struts placed in Cohesive & Cohesion-less soils.

800.00 Stress Distribution

i. Stress due to self weight

ii.Boussinesq Theory a)Concentrated Load b)Uniformly distributed Load

iii Wetergaard’s Theory

iv Newmarks influence charts v Numericals on the above concepts.

900.00 Reinforced Soils

i) Definition of Geosynthetics, Types: Based on Materials, manufacturing Process.

ii)Function & application of various Reinforcements.

iii ) Geotextile in Pavement Construction.

iv) Geotextile Reinforced embankment on Soft Foundation, Potential Embankment Failure modes

v ) Geotextile Reinforced Railroad Track Construction

vi) Brief Discussion on Tests to be conducted on Geosynthetics

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