stable
Entry: hardness (Cerchar)
URI: https://data.geoscience.fr/ncl/ObsProp/521
Index characterising the resistance to penetration of a rock by a drill bit under standard test conditions.
Definition
category |
geotechnics
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description |
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in scheme |
Observed properties
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label |
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notation |
521
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pref label |
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source |
NF P 94-412
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status |
Valid
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top concept of |
Observed properties
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type |
observed property
| Concept
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unit |
Sans unité
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