Method of Working 2 nd year diploma mining
20 videos • 4,733 views • by gunvant bele - mining classes
1
Incubation period -for all mining students. explained in simple & easy way.
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2
Elements of Bord& Pillar method - for 1st year Diploma& 2nd yr Degree .
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3
Applicability conditions of Bord& Pillar method -for 1st yr Diploma& 2yr deg/pdf
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4
Advantages of Bord & Pillar method- for 1st yr Dip&2nd yr degree /pdf
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5
Disadvantages of Bord & Pillar method-for 1st yr Diploma and 2nd yr degree
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6
Regulation 118-Multi section& Contiguous workings . illustration with diagram .
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7
Overriding of pillars & Premature collapse/pdf
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8
Local fall and main fall/pdf
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9
Calculation of no. of pillars in a panel & %extraction during development - 2nd year diploma
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10
Development by LHD & chain conveyor .2 nd year diploma mining
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11
Angle of draw & its relevance in subsidence
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12
subsidence part1 - subsidence factor,Non effective width,critical width, super critical width,
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13
Factors affecting surface subsidence/pdf in description
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14
Mining methods underneath surface features
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15
Prevention & Control of subsidence/underground precautions against subsidence/pdf in description
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16
Comparison of Bord& Pillar method with Longwall method - For 1st yr Diploma, 2nd yr Degree
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17
Part 1- Line of extraction /Goaf line/ face line with purpose
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18
Part 2- Line of extraction
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19
Compare Single unit & Double unit L/ W face
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20
Cavabilitty index.
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