Syllabus - Rock Slope Engineering (MI803 (B))

BASIC MECHANICS OF ROCK SLOPE FAILURE

Rock slope economics ;continuum mechanics approach to slope stability ;slope parameters; effect of water pressure; factor of safety of slopes; slope height vs slope angle; design of slopes

GEOLOGICAL AND ROCK STRENGTH PROPERTIES

Geological parameters affecting slope stability ; graphical representation of geological data; plotting and analysis of field measurements ; physic o –mechanical properties affecting slope stability ,shearing on incline plane ,determination of shear strength of rock and rock discontinuities ;Ground water flow in rock masses ;field measurement of permeability; measurement of water pressure.

PLANE FAILURE

Plane failure analysis ;graphical analysis of stability ;influence of ground water on stability; influence of tension crack ; analysis of failure on a rough plane; rock reinforcement of slopes

WEDGE FAILURE AND CIRCULAR FAILURE

Analysis of wedge failure; wedge analysis including cohesion and water pressure; wedge stability charts for friction only; case studies. Numerical problems Conditions for circular failure; derivation of circular failure analysis ;effect of ground water; circular failure charts ;Bishop’s and Janbu’s method of failure analysis ;case studies

TOPPING FAILURE

Types of topping failure ;secondary toppling modes ;analysis of topping failure; limit equilibrium analysis of toppling failures ;influence of slope curvature on stability; slope depressurization ;Protection of slopes ;control of rock falls; measurement and monitoring and interpretation of slope displacements. Numerical problems ROCK SLOPE FAILURE MONITORING AND SLOPE STABILIZATION Types of slope movement, Surface and Sub-surface monitoring methods including instrumentation and techniques and guidelines for monitoring programs. Causes of rock falls; Rock slope stabilization programs –stabilization by rock reinforcement and rock removal; protection measures against rock falls.