8 relations: Borehole, Core recovery parameters, International Society for Rock Mechanics, Percentage, Q-system (geotechnical engineering), Rock mass classification, Rock mass rating, Springer Science+Business Media.
Borehole
A borehole is a narrow shaft bored in the ground, either vertically or horizontally.
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Core recovery parameters
Core recovery parameters describe the quality of core recovered from a borehole.
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International Society for Rock Mechanics
The International Society for Rock Mechanics - ISRM was founded in Salzburg in 1962 as a result of the enlargement of the "Salzburger Kreis".
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Percentage
In mathematics, a percentage is a number or ratio expressed as a fraction of 100.
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Q-system (geotechnical engineering)
The Q-system for rock mass classification is developed by Barton, Lien, and Lunde.
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Rock mass classification
Rock mass classification systems are used for various engineering design and stability analysis.
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Rock mass rating
The Rock Mass Rating (RMR) System is a geomechanical classification system for rocks, developed by Z. T. Bieniawski between 1972 and 1973.
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Springer Science+Business Media
Springer Science+Business Media or Springer, part of Springer Nature since 2015, is a global publishing company that publishes books, e-books and peer-reviewed journals in science, humanities, technical and medical (STM) publishing.
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(RQD), (TCR), RQD, Rock Mass Rating system, Rock Mass Rating system (RMR), Rock Quality Designation, Rock Quality Designation (RQD), Solid Core Recovery (SCR), Total Core Recovery, Total core recovery.