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Underground mining, Coal Prep Plant, and Strip Mining. - Essay Example
Author : tyrique44
Engineering and Construction
Pages 5 (1255 words)
Mining Excavation of hard and soft minerals from underground is achieved through underground mining. Underground mining is undertaken differently in different regions depending on the specific mineral that is being mined. …
However, there are commons methods and techniques used to access underground. Accessing underground is done through declines, shafts, and adits (Hustrulid 318). Spiral tunnels that circle the deposit flanks or those that are sunk around the deposit being mines are referred to as the declines. These tunnels are sunk from the surface to allow access the underground. Declines can also be sunk where an open cut mine already exists, and the tunnels are made on the wall of the already open mine. Vertical excavations that are sunk close or adjacent to mineral deposits are referred to as the shafts. In most cases, they are sunk for both access to underground and shaft haulage purposes. On the other hand, adits refer to horizontal or near horizontal excavations made on hills or mountains (Hustrulid 403). Use of ramps is also common when it comes to accessing underground. Seams that are mined must be consistent with the set regulatory provisions enforced by mining regulating agencies. The miner also assesses the mine and the deposit available for mining. The thickness of the seams must be significantly adequate to initiate the mining project. ...
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