• construction vertical shaft in coal mine

    Glossary of Mining Terms - Coal Education. A. Abutment - In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the ...

  • Shaft mining - Wikipedia

    Shaft mining or shaft sinking is excavating a vertical or near ... although most modern mine shafts are vertical. ... Pulley wheel of 1 Maja Coal Mine in Wodzisław ...

  • Adit - Wikipedia

    Construction Adits are driven ... a mine by adit has many advantages over the vertical access shafts used in shaft mining. ... much easier to bring ore or coal out of ...

  • Design of Mine shafts - InfoMine

    Key words: ore body, design, shaft, vertical, decline, and ... The discussion on design of mine shafts will be incomplete without making ... Construction skills and ...