Definition, Importance, History of Rock Mechanics,Distribution of rocks – Archean Rocks, Cuddapah Rocks, Vindhyan Rocks,Palaeozoick Rocks, Mesozoic rocks, Gondwana Rocks, Deccan Traps,Steriographic presentation of Geological data – Representation and plottingline and plane
Tests for Physical Properties,Compressive strength, Tensile strength, Direct shear, Triaxial Shear, SlakeDurability, Schmidt Rebound Hardness, Sound Velocity, Swelling Pressure& Free Swell, Void Index
Factors influencing rock behaviour, Strength criteria for Isotropic IntactRocks, Modulus of Isotropic Intact Rocks, Compressive strength andmodulus from SPT, Stress Strain models – Elastic model, Elasto plasticmodel, Visco elastic model
RQD, RMR system, Terzaghi’s rock load classification, Deere Miller, CMRSand RSR System. Classification based on strength and modulus, Clasificationbased on strength and failure strain, rock discontinuity qualitativedescription, friction in rocks – Amonton’s law of friction,
Geophysical methodsSeismc Refraction method, Electrical Resistivity method, Deformability tests– Plate Jack Test, Goodman Jack Test, Field shear test - Field PermeabilityTest – Open end Test, Packers Test.
Modes of failure – Rotational, Plane andwedge failures, Plane failure method of Analysis, Wedge method ofAnalysis, Toppling failure, Protection against slope failure.
Estimation of Bearing Capacity – Intact, Fracturedrocks, Stress distribution in rocks, Factor of Safety, Sliding sability of damfoundation, Settlement in rocks, Bearing capacity of piles in rock, Measuresfor strengthening rock mass – Concrete shear keys, Bored concrete piles,Tensioned cable anchors, concrete block at toe
MISCELLANEOUS TOPICS Drilling, Blasting and underground openexcavation, Mining and other Engineering applications, criteria for design ofunderground excavations, tubular excavations, pillars and ribs supportmultiple excavations. Structural defects in Rock masses, their improvementby rock bolting, grouting and other methods.Rock ReinforcementRock grouting