roof bolting
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roof bolt — noun Mining a tensioned rod anchoring the roof of a working to the strata above. Derivatives roof bolting noun … English new terms dictionary
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
Underground mining methods — A drift mine is driven horizontally into coal that is exposed or accessible in a hillside. In a hydraulic mine, high pressure water jets break the coal from a steeply inclined, thick coalbed that would be difficult to mine with the usual… … Energy terms
Underground mining equipment — A coal cutting machine is used in conventional mining to undercut, top cut, or shear the coal face so that coal can be fractured easily when blasted. It cuts 9 to 13 feet into the bed. Continuous auger machine is used in mining coalbeds less… … Energy terms
Joy Mining Machinery — Infobox Company company name = Joy Mining Machinery company company type = Subsidiary (Parent: Joy Global) foundation = Incorporated in 1919 company slogan = [World s Leading Manufacturer of Underground Mining Equipment] location = Warrendale,… … Wikipedia
Neue Österreichische Tunnelbaumethode — NÖT – Bohren der Sprenglöcher NÖT – E … Deutsch Wikipedia
Анкерная крепь — (a. anchorage, roof bolting; н. Ankerausbau, Gebirgsanker, Anker; ф. boulonnage, ancrage; и. anclaje) горн. крепь, осн. элемент к рой металлический, железобетонный, полимерный или деревянный стержень (анкер), закреплённый в шпуре… … Геологическая энциклопедия
кріплення анкерне — крепь анкерная аnchorage, roof bolting *Verankerung, Ankerausbau, Gebirgsanker, Anker гірниче кріплення, основним елементом якого є металевий, залізобетонний, полімерний чи дерев’яний стержень (анкер), закріплений у шпурі чи свердловині.… … Гірничий енциклопедичний словник
кріплення для лав анкерне — крепь для лав анкерная roof bolting Ankerstrebausbau, Zugangstrebausbau – кріплення, що являє собою болт, на одному кінці якого є клиновий замок, а на іншому – опорна плита чи гайка. Застосовується як допоміжне та у т. зв. австралійській лавній… … Гірничий енциклопедичний словник
building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… … Universalium
Architecture and Civil Engineering — ▪ 2009 Introduction Architecture For Notable Civil Engineering Projects in work or completed in 2008, see Table (Notable Civil Engineering Projects (in work or completed, 2008)). Beijing was the centre of the world of architecture… … Universalium
