Course Details
Subject {L-T-P / C} : MN3106 : Geomechanics { 3-0-0 / 3}
Subject Nature : Theory
Coordinator : Prof. Manoj Kumar Mishra
Syllabus
Module1: Stress around mine openings, in-situ Stress- Determination of in-situ rock mass properties, in-situ testing methods and instrumentations.
Module 2: Design of underground workings: Structural Design Approaches including applicability of Wilson’s approach, Safety factors.
Module 3: Slope Stability: Shear Strength, Slope failure types, mechanisms, and theories.
Module 4: Rock Reinforcement and Support: Mechanisms of failure in rock structures-intact and anisotropy, Rock Load and stability, Supporting and reinforcement members, Design of support and reinforcement systems
Module 5: Surface Subsidence: Subsidence mechanisms and control measures,
Module 6: Basics of numerical methods in geomechanics and applications, Case studies involving rock mechanics fundamentals.
Course Objectives
- To decide the rock parameters affecting its behaviour and their behaviour
- To predict the excavation geometry
- To determine the stress and its solutions
- To determine optimum dimension of excavation and predict safety factor
Course Outcomes
CO1: To explain the advanced trends in determination of in situ rock mass properties <br />CO2: To study slope stability and also rock reinforcement techniques for underground and opencast applications <br />CO3: To design underground excavation and its different elements
Essential Reading
- R E Goodman, Introduction to Rock Mechanics,, John Wiley and Sons, , 1980
- B. H. G. Brady and E. T. Brown, Rock Mechanics for Underground Mining,, George Allen and Unwin Ltd., , 1992
Supplementary Reading
- Franklin and Dusseault, Rock Engineering, Barnes and Noble
- . E. Hoek and J. Bray, , Rock Slope Engineering, 3 rd Ed.,, Inst. Of Mining and Metallurgy, London, , 1980