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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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Redirects here:

(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.

References

[1] https://en.wikipedia.org/wiki/Core_recovery_parameters

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