- pillar removal
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выемка целика
Англо-русский словарь технических терминов. 2005.
pillar removal
Смотреть что такое "pillar removal" в других словарях:
pillar robbing — noun : the mining and removal of pillars after the main coal or ore body has been removed called also pillar drawing … Useful english dictionary
Nelson's Pillar — ca 1830 … Wikipedia
Room and pillar — (also called bord and pillar) is a mining system in which the mined material is extracted across a horizontal plane while leaving pillars of untouched material to support the roof overburden leaving open areas or rooms underground. It is usually… … Wikipedia
Mountaintop removal mining — Mountaintop removal site Mountaintop removal in Martin County, Kentucky M … Wikipedia
coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… … Universalium
Retreat mining — is a term used to reference the final phase of an underground mining technique known as room and pillar mining. This involves excavating a room or chamber while leaving behind pillars of material for support. This excavation is carried out in a… … Wikipedia
Coal mining — Men leaving a UK colliery at the close of a shift Surface coal mining in Wyo … Wikipedia
Dublin tramways — For the current light rail system in Dublin, see Luas. The last DUTC tram to run in Dublin city, needed police protection from souvenir hunters on its final trip to the Blackrock Depot … Wikipedia
Social Protection — ▪ 2006 Introduction With medical costs skyrocketing and government programs scaled back, citizens bore more responsibility for their health care costs; irregular migration, human trafficking, and migrant smuggling posed challenges for… … Universalium
mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… … Universalium
Underground mining (hard rock) — A three dimensional model of an underground mine with shaft access Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals, mainly those containing metals[1] such as ore containing gold … Wikipedia
