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BITS Rock Mechanics Sem-VIII
No Units Titles Sub Titles Chapters
1 Unit 1 Introduction and Basic Concepts Rock as material - geological considerations, rock forming minerals, fabric of rocks, mechanical nature of rock, joints & faults VIEW CHAPTERS
2 Unit 2 Rock exploration Objective, Methods of rock exploration, Direct penetration, Core boring , Core recovery, Rock quality designation, Geophysical prospecting, Seismic methods - theory and limitations, Electrical methods, Gravity methods, Magnetic methods VIEW CHAPTERS
3 Unit 3 Engineering Properties of Rocks Elasticity & Strength of rocks, stress - strain curves, effect of confining pressure & temperature, types of fracture, Munel's extension of Griffith, effect of anisotropy Friction in rocks, Amonton's law, Phenomenon with smooth surfaces, stick-slip oscillations, sliding on plane of weakness - 2-D theory VIEW CHAPTERS
4 Unit 4 Tests on Rock and Rock Specimens Laboratory Testing of Rock specimens - Physical tests - Grain Specific Gravity, Unit Weight and Porosity, Strength Tests - Uniaxial compression, tension, indentation, Direct shear and Triaxial shear tests at high confining pressures In-situ tests, Plate bearing test, Pressure tunnel test, Deformability test, Borehole test, Shear tests, Strength tests, Flat jack test VIEW CHAPTERS
5 Unit 5 Rock Engineering Behaviour Mechanical Behavior - strength of rock, influence of discontinuities upon engineering behavior of rock masses, rock-quality indices, joints, folds and faults Mass Behavior - Structure & anisotropy of rock masses, orientation of geological planes, statistical density of fissures, rock mechanics surveys Methods of improving properties of rock masses - Pressure-grouting, consolidation grouting, rock reinforcement, rock freezing VIEW CHAPTERS
6 Unit 6 Failure Theories Various theories of failure and yield criteria, Rankine, St Venant, Tresca, Maxwell, and Mohr-Coulomb, Griffith's theory of fracture, strength criteria of jointed rocks, Barton's theory, Rheological models - St Venants, Kelvin, Maxwell, Bingham and Burger models VIEW CHAPTERS
7 Unit 7 Application of Rock Mechanics in Mining Structural nature of mineral deposits, forces due to weight of strata, tectonic and orogenic, residual and thermal forces, stress fields, stress concentrations and ground failures - bumps and rock bursts, concept of ring stresses, open cast mining, design of pillars, land subsidence VIEW CHAPTERS
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