Ground Control in Mines ( UNIT -2 ) Stresses around underground openings- Types of Openings, Stresses around openings using classical closed-form solutions, Design considerations in selection of openings, Numerical analysis methods- Finite Element Method(FEM), Boundary Element Method (BEM) & Hybrid Methods. Pillar Design- Estimating average pillar pressure by Tributary Area Method & its criticism, Factors affecting pillars strength, various formulae for determination of pillar strength, Factor of safety, Steps in design of pillars. Download this unit PDF from here. ( UNIT -3 ) Rockbursts- Caving characteristics of roof rocks, Types and Phenomenology of rock bursts, Factors affecting rock bursts, prediction of rock bursts, Monitoring-Methods & Instrumentation, Prevention & control of rock bursts, Bumps and Gas Outbursts. Overburden Movement & Abutment pressure in Longwall Mining. Download this unit PDF from here. ( UNIT -4 ) SUBSIDE...
Mining Engineer ( R.C.E.R.T, CHANDRAPUR )