International Mining Forum : new technologies in underground mining safety in mines : proceedings of the Fifth International Mining Forum 2004, February 24-29, 2004, Cracow-Szczyrk-Wieliczka, Poland için kapak resmi
Başlık:
International Mining Forum : new technologies in underground mining safety in mines : proceedings of the Fifth International Mining Forum 2004, February 24-29, 2004, Cracow-Szczyrk-Wieliczka, Poland
Yazar:
International Mining Forum (5th : 2004 : Krakow, Poland, etc.)
ISBN:
9781135291297

9781135291242

9781135291280
Fiziksel Tanımlama:
1 online resource (ix, 257 pages)
İçerik:
chapter Application of IntelliMine for Underground Mine Management -- chapter Development Trends in Mine Hoisting and Drainage -- chapter Figure 1. HJHD�view in a cross-section of shaft Figure 2. Kibbles HJHD at interplay with rods Figure 3. Close-up of unit A on figure 2—the principle of interaction between the stopper and the back end of the kibble -- chapter Figure 4. Longitudinal section of shaft with hydro-jack hoisting -- chapter Technology of Underground Coal Mining in the U.S.A.State of the Art -- chapter Figure 3. US Coal Production Figure 4. Production shift East to West -- chapter Figure 6. Productivity in U.S. Coal Mines -- chapter Figure 10. JOY 12CM27 high voltage Continuous Miner -- chapter Figure 11. Display screens for JNA system -- chapter Prospects of Development of Highly Productive Coal Extraction Technologies -- chapter Table 1. Results of the analysis of all levels of the technological circuit of coal movement in mine -- chapter Figure 2. Coal annual output from faces working in different technical and technological conditions -- chapter Figure 3. Value of the produced coal for faces working in different technical and technological conditions -- chapter Figure 4. Difference between the income from coal sale and expenses on purchase of the equipment for faces working in different technical and technological conditions -- chapter Figure 5. Time of return on the equipment for faces working in different technical and technological conditions -- chapter The Effectiveness of Support of Weak Rock with TA2 Tubular Anchors -- chapter Figure 1. The construction of tubular anchor before detonating the charge (a) and tubular anchor TA2 after complete installation (b): 1—borehole, 2'steel pipe, 3—clay plug, 4—detonating cord DCA or DCB, 5—electrical detonator, 6—electrical wires, 7—filling material (sand, water), 9—material expanding while solidifying -- chapter Equipment Selection for Mechanized Mining as a Function of Physical, Mechanical and Deformation Properties of Rock -- chapter main thin seam of the tuff sandstone, 5—unexcavated floor part of the coal seam, 6—laminated lime sandy aleurite floor sandstones -- chapter Table 1. Physical properties of the floor cut of Lubnica coal seam -- chapter Figure 3. Look of the finite element basic model -- chapter Figure 7. 0,8m thick roof plate Plastification zones -- chapter The Influence of Physical Parameters on Mechanizability of Longwall Mining of Coal -- chapter Table 2. Classification of immediate roof in terms of quality index (Unrug, Szwilski 1982) -- chapter A Fuel-Energy System Based on Mining Preparation and Underground Burning of Coal Layers -- chapter Figure 1. Method of underground burning of coal using steam and flammable gases as heat-carriers -- chapter Figure 2. Sequence of burning of coal blocks -- chapter Exploitation of Technologically Generated Methane Deposits by Means of Surface Wells -- chapter Figure 1. Formation of techno-gene methane deposits in a coal layer: 1 the coal layer, 2—the well, 3'sealed space, 4—well punching, 5�the cavity, 6—the fracture, 7—the screen -- chapter Methane as a Source of Energy in an Air-Conditioning System in Pniowek Coal Mine -- chapter Table 2. Methane utilisation and value of production of combined energy-cooling system -- chapter Figure 7. Effect of dry-bulb temperature of air entering coolers on cooling power Figure 8. Effect of relative humidity of air entering coolers on cooling power -- chapter Figure 9. Effect of airflow rate on cooling power -- chapter New Technologies of Coal Bed Methane Preliminary Recovery -- chapter Figure 1. Yields (q) of bore holes, drilled from the day surface while hydro-fracturing of coal beds. 1 development of bore holes pumping-out of water at short time of holding (2-4 month), 2—development of bore holes after holding the liquid in bed during 9 month and over -- chapter Geomechanical Problems in Simultaneous Exploitation Both Open Pit and Underground at Minera Michilla, II Region Antofagsta Chile -- chapter Figure 4.1. Carmen Fault view in west wall in open pit, phase 7 -- chapter Table 5.1. GSI values of Rajo Lince rocks -- chapter Figure 7.1. Open pit and underground overlap Table 7.1. General information on old chambers -- chapter Figure 7.2. Open pit and underground overlapping -- chapter pit and underground methods at Michilla -- chapter Underground Geotechnology of Polymetallic Ores (Based on the Example of North Caucasian Region Deposits) -- chapter Figure 1. Change dynamics of Russian lead, copper and zinc reconnoitered reserves -- chapter Figure 2. The influence of the angle of intersection of cracks and the exposed surface with: (a) opening factor; (b) their depth, utilizing: (1)'standard, and (2)'smoothwall blasting methods -- chapter Figure 5. Comparative efficiency characteristics of the SHPV polymetals different actions -- chapter Technological Advances in Underground Mining of a Stratified Copper Deposit in Poland -- chapter Figure 1. Distribution of the copper deposit as a result of different types of main roof strata -- chapter Figure 5. Diagram of J-S room-and-pillar method with roof caving Figure 6. D-P room-and-pillar method with hydraulic backfill. Way of driving the workings at the mining face -- chapter Figure 7. Diagram of two-phase, room-and-pillar method -- chapter Possibility of Employing Mechanical Extraction in Thin Copper-Ore Deposit Conditions -- chapter Figure 5. Cutting equipment -- chapter Figure 8. Winning test�Stage II Variant I -- chapter Experience and Practical Aspects of Utilizing a Shrinkage Method of Extraction at Kazimierz-Juliusz Coal Mine in Sosnowiec -- chapter Figure 1. The way of dividing a seam into panels and extraction sequence -- chapter Figure 2. Support of an exploitation gallery developed by a continuous miner -- chapter Figure 5. The way of drawing the broken coal Figure 6. Caving-inducing blasthole pattern -- chapter Table 1. Basic technical and economic indicators obtained by using the shrinkage from exploitation galleries method -- chapter Application of the SF Tracer Gas in -- chapter Figure 1. Spatial ventilation plan of a district in the safety pillar for the town of Bytom—level 660 m-- chapter Figure 2. Spatial ventilation plan of the seam 510D at the level 660 of the colliery W -- chapter Risk of Coal Dust Explosion and its Elimination -- chapter Figure 2. Fault tree—coal dust explosion -- chapter Figure 3. Fault tree�ignition sources -- chapter Methane Control in Coal Mining Safety System -- chapter Table 2. Main coursers of methane flows into ventilation system -- chapter Rock Bursts—Preventive Measures Undertaken in the Polish Mines -- chapter Figure 4. A map of the seismic wave velocity field calculated using the method of passive tomography for the area of the longwall face 772 in Bielszowice Colliery -- chapter Technical and Economic Possibilities for Permanent Limitation of Water Inflow to Mine Workings -- chapter The Attempt to Apply Radar Interferometry InSAR in the Monitoring of the Impact of the Ore Deposit Exploitation in LGOM (Lubin Copper Mining Area) -- chapter Figure 1. The fragment of the interferogram with interferometric lines presenting a local subsidence trough -- chapter Figure 4. The distribution of troughs -- chapter Figure 5. The comparison of subsidence troughs: forecasted in MODEZ system and determined by InSAR method -- chapter The Control of Mining Damage in China -- chapter Limiting Inflow of Water to Operating Shafts by Application of Permanent Hydro-Insulating Screens -- chapter Figure 2. Layout of borehole placement around the U-1 shaft -- chapter Problems and Prospects of Development of the Coal Mining Enterprises in the Donetsk Region -- chapter Organizational�Economic Models of Investment Activity at the State-Owned Coal Mining Enterprises of Ukraine.
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E-Kitap 539297-1001 TN295 .I624 2004
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