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rock reinforcement

См. также в других словарях:

  • rock bolt — Mining, Civ. Engin. a steel or fiberglass bolt inserted and anchored in a hole drilled in rock to prevent caving of the roof of a tunnel or subterranean chamber. [1955 60] * * * ▪ mining       in tunneling and underground mining, steel rod… …   Universalium

  • Rock mechanics — is the theoretical and applied science of the mechanical behaviour of rock and rock masses; it is that branch of mechanics concerned with the response of rock and rock masses to the force fields of their physical environment.Rock mechanics itself …   Wikipedia

  • Sound reinforcement system — A sound reinforcement system is an arrangement of microphones, electronic signal processors, amplifiers, and loudspeakers that makes live or pre recorded sounds usually music or speech louder, or that distributes the sound to a larger or more… …   Wikipedia

  • Mining rock mass rating — Laubscher developed the Mining Rock Mass Rating (MRMR)[1][2][3][4][5] system by modifying the Rock Mass Rating (RMR) system of Bieniawsk …   Wikipedia

  • 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

  • Discontinuous Deformation Analysis — (DDA) is a type of discrete element method originally proposed by Shi in 1988. DDA is somewhat similar to the finite element method for solving stress displacement problems, but accounts for the interaction of independent particles (blocks) along …   Wikipedia

  • Landslide mitigation — Landslides can be triggered by many often concomitant causes. In addition to shallow erosion or reduction of shear strength caused by seasonal rainfall, causes triggered by anthropic activities such as adding excessive weight above the slope,… …   Wikipedia

  • materials science — the study of the characteristics and uses of various materials, as glass, plastics, and metals. [1960 65] * * * Study of the properties of solid materials and how those properties are determined by the material s composition and structure, both… …   Universalium

  • New Austrian Tunnelling method — NATM redirects here. For other uses, see NATM (disambiguation). The New Austrian Tunnelling method (NATM) was developed between 1957 and 1965 in Austria. It was given its name in Salzburg in 1962 to distinguish it from old Austrian tunnelling… …   Wikipedia

  • Edinburgh —    EDINBURGH, a city, the seat of a university, and the metropolis of the kingdom of Scotland, situated in longitude 3° 10 30 (W.), and latitude 55° 57 29 (N.), about a mile (S. by W.) from Leith, 40 miles (S.S.W.) from Dundee, 42 (E. by N.) from …   A Topographical dictionary of Scotland

  • Tech N9ne — Surnom Tecca Nina, The Killa Clown, T 9, Kansas City King Nom Aaron Dontez Yates Naissance 8 novembre 1971 Kansas City (Missouri) Activité principale Rappeur, parolier, producteur exécutif …   Wikipédia en Français

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