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FRACTURE DEPTH [12 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2021-07-14

English

Subject field(s)
  • Oil Drilling
DEF

The pressure per unit depth necessary to fracture the formation.

French

Domaine(s)
  • Forage des puits de pétrole
DEF

Gradient de pression qui, appliqué aux formations de subsurface, cause des fractures physiques aux formations géologiques.

Spanish

Save record 1

Record 2 2020-05-01

English

Subject field(s)
  • Hydrology and Hydrography
  • Geomorphology and Geomorphogeny
DEF

A submerged ridge at relatively shallow depth separating the basins of two bodies of water.

CONT

The shape, depth, and geographic location of an ocean affect the general characteristics of its circulation. Smaller scale features, such as locations of deep sills and fracture zones, seamounts, and bottom roughness, affect often important details of the circulation and of mixing processes that are essential to forcing and water properties.

French

Domaine(s)
  • Hydrologie et hydrographie
  • Géomorphologie et géomorphogénie
DEF

Ensemble de reliefs en surélévation et séparant deux bassins océaniques l'un de l'autre, ou isolant une dépression du fond marin le plus proche.

Spanish

Save record 2

Record 3 2017-04-28

English

Subject field(s)
  • Metallurgy - General
  • Engineering Tests and Reliability
DEF

Test in which a specimen is broken and its fracture surface is examined with the unaided eye or with a low-power microscope to determine such factors as composition, grain size, case depth, or discontinuities.

French

Domaine(s)
  • Métallurgie générale
  • Fiabilité, contrôle et essais (Ingénierie)
DEF

Essai consistant à casser un échantillon en vue de l'examen, à l'œil nu ou à l'aide d'un instrument de faible grandissement, des paramètres structuraux tels que la composition, la taille du grain, la profondeur de cémentation, la présence ou l'absence de défauts.

Spanish

Save record 3

Record 4 2014-12-12

English

Subject field(s)
  • Glazing Materials (Constr.)
CONT

Chemically tempered glass(often referred to as Z-glass) is glass that is strengthened using an ion exchange process. The resulting glass has a compressive residual stress at the glass surface, which increases the resistance of the glass to fracture. The depth of this residual compressive stress is defined by the "case depth", which is usually only 0. 001 to 0. 002 in. deep for chemically tempered glass. The magnitude of the residual compressive stress is often as high as 50, 000 psi. Scratches that penetrate this case depth can cause failure of the glass. This type of glass is sometimes used in laminates for transit applications.

OBS

Chemically tempered glass is used in eyeglasses and sunglasses and thermally tempered glass is used in automobile windshields. This new tempering method could allow thinner glass to be used in such things as photocopying machines, scanners and electronic displays that would make them stronger and lighter. Eventually, glasses could be designed with specific strengths and a higher reliability.

Key term(s)
  • Z glass
  • chemically-tempered glass
  • chemical-tempered glass

French

Domaine(s)
  • Matériaux verriers (Construction)
CONT

Le verre trempé chimiquement [...] n'est pas considéré comme un verre de sécurité, à moins d'être mis en œuvre dans un verre feuilleté. Il est plus résistant aux chocs que le verre trempé thermiquement à condition de ne présenter aucune rayure de surface. Il est utilisé par exemple lorsqu'on est en présence de grandes pressions (bassins d'eau profonds).

Spanish

Save record 4

Record 5 2009-05-21

English

Subject field(s)
  • Tectonics
CONT

... the maximum depth of earthquakes is limited by the rapid reheating of the young Juan de Fuca Plate as it descends relatively slowly into the mantle. The whole plate exceeds the maximum temperature for seismic failure(i. e. brittle-type fracture) at a shallow depth.

OBS

seismic failure: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Tectonique
CONT

[...] la région de la faille bloquée se déforme progressivement [...] en accumulant de l'énergie, jusqu'à céder brutalement; c'est la rupture sismique, les contraintes tectoniques se relâchant, la faille est à nouveau bloquée, et le cycle sismique recommence.

OBS

rupture sismique : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

Save record 5

Record 6 2006-12-19

English

Subject field(s)
  • Atmospheric, Climatic and Meteorological Phenomena
DEF

Slab thickness at the fracture line measured in vertical direction.

CONT

The fracture depth was 90 cm. [Example approved by the Avalanche Bulletin Terminology Standardization Committee. ]

OBS

The fracture depth is expressed in cm or meters.

OBS

fracture depth : term officially approved by the Avalanche Bulletin Terminology Standardization Committee.

French

Domaine(s)
  • Phénomènes météorologiques, climatiques et atmosphériques
CONT

L'épaisseur de la fracture était de 90 cm. [Exemple entériné par le Comité d'uniformisation de la terminologie des bulletins d'avalanche.]

OBS

Épaisseur de la fracture, mesurée perpendiculairement à la pente sur la ligne de fracture de l'avalanche.

OBS

L'épaisseur de la fracture s'exprime en cm ou en mètre.

OBS

épaisseur de la fracture : terme uniformisé par le Comité d'uniformisation de la terminologie des bulletins d'avalanche.

Spanish

Save record 6

Record 7 2006-12-19

English

Subject field(s)
  • Meteorological Forecasting, Data Measurement and Analysis
DEF

A snow profile obtained by excavating a snowpit at a recent slab avalanche release site.

CONT

Fracture line profile [is] a graphical representation of the components of a slab avalanche prepared by excavating a snowpit at the crown face and measuring a variety of snow parameters from the surface down at and including the bed surface(and sometimes extending to the ground). Typical parameters measured include time, date, location, weather, slope angle, aspect, slab dimensions, and include the snowpack stratigraphy parameters plotted at the appropriate depth from the surface in cm : density, hardness, temperature, moisture, fracture depth.

CONT

A fracture line profile showed that the slab failed on facets. [Example approved by the Avalanche Bulletin Terminology Standardization Committee.]

CONT

A fracture line profile revealed that the weakness involved dates back to November. [Example approved by the Avalanche Bulletin Terminology Standardization Committee.]

OBS

Fracture line profile [must be done] ideally within 24 hours after [the avalanche slab] occurrence.

OBS

fracture line profile: term officially approved by the Avalanche Bulletin Terminology Standardization Committee.

French

Domaine(s)
  • Prévisions météorologiques et mesure et analyse des données
CONT

Le profil de cassure linéaire indique que la plaque a cédé sur une couche de grains à faces planes. [Exemple entériné par le Comité d'uniformisation de la terminologie des bulletins d'avalanche.]

CONT

Le profil de cassure linéaire a révélé que les couches fragiles en cause se sont formées en novembre. [Exemple entériné par le Comité d'uniformisation de la terminologie des bulletins d'avalanche.]

OBS

profil de cassure linéaire; profil de fracture linéaire; profil de cassure; profil de fracture : termes uniformisés par le Comité d'uniformisation de la terminologie des bulletins d'avalanche.

Spanish

Save record 7

Record 8 2006-12-18

English

Subject field(s)
  • Atmospheric, Climatic and Meteorological Phenomena
CONT

Bigger triggers like sleds at speed or skiers grouping up may cause the near ground layer to fracture and produce full depth releases. [Example approved by the Avalanche Bulletin Terminology Standardization Committee. ]

OBS

fracture: term officially approved by the Avalanche Bulletin Terminology Standardization Committee.

French

Domaine(s)
  • Phénomènes météorologiques, climatiques et atmosphériques
CONT

Des facteurs de déclenchement plus importants tels le passage de motoneiges ou le regroupement de plusieurs skieurs pourraient entraîner la rupture de la couche près du sol et déclencher des avalanches de fond. [Exemple entériné par le Comité d'uniformisation de la terminologie des bulletins d'avalanche.]

OBS

entraîner la rupture : terme uniformisé par le Comité d'uniformisation de la terminologie des bulletins d'avalanche.

Spanish

Save record 8

Record 9 2006-12-18

English

Subject field(s)
  • Atmospheric, Climatic and Meteorological Phenomena
DEF

A well-defined line where the moving snow cover breaks away from the stable snow in a slab avalanche release.

CONT

[The] crown... is the breakaway wall of the top periphery of the slab. It is usually at a right angle to the bed surface. It is formed by tension fracture through the depth of the slab from bottom to top.

CONT

Fracture lines were observed throughout the backcountry. [Example approved by the Avalanche Bulletin Terminology Standardization Committee.]

OBS

fracture line; crown; fracture; crown fracture: terms officially approved by the Avalanche Bulletin Terminology Standardization Committee.

French

Domaine(s)
  • Phénomènes météorologiques, climatiques et atmosphériques
DEF

Limite supérieure d'une avalanche de plaque, d'où le manteau neigeux s'est décroché par tension.

CONT

[L']épaisseur de la fracture [est] mesurée perpendiculairement à la pente, sur la ligne de fracture de l'avalanche.

CONT

Des cassures linéaires ont été observées partout dans l'arrière pays. [Exemple entériné par le Comité d'uniformisation de la terminologie des bulletins d'avalanche.]

OBS

La ligne de fracture [n'est pas nécessairement un trait droit, elle peut être aussi bien] en forme de V à l'envers, ou bien en fermeture-éclair [...]

OBS

Le terme «couronne» en ce sens est un anglicisme.

OBS

cassure linéaire; fracture linéaire : termes uniformisés par le Comité d'uniformisation de la terminologie des bulletins d'avalanche.

Spanish

Save record 9

Record 10 2006-11-22

English

Subject field(s)
  • Atmospheric, Climatic and Meteorological Phenomena
DEF

An avalanche that approaches maximum size and runout for a given path.

CONT

Climax Avalanche.... The distinguishing characteristic of this type of avalanche is that it contains a large proportion of old snow and is caused by conditions that have developed over a period of time--at least one month and possibly an entire season. They occur infrequently because they require an unusual combination of favorable factors. Whenever they occur, the penetration of a climax fracture is always in great depth, usually to the ground. They travel farther and spread out wider than ordinary avalanches on the same slide path. On heavy snow years these avalanches may travel farther than the normal slide path, and destroy forests and structures.

CONT

A natural avalanche starting in a buried surface hoar layer on a southerly slope near Revelstoke stepped down to ground to become a 4 m deep, 700 m wide, and 2 km long (size 4) climax avalanche!

CONT

Climax avalanches usually occur in spring. [Example approved by the Avalanche Bulletin Terminology Standardization Committee.]

OBS

The climax avalanche could be at or close to full depth and it has a very high volume.

CONT

If a climax avalanche releases all of the season’s snowcover, it is also called a "ground avalanche".

OBS

climax avalanche: term officially approved by the Avalanche Bulletin Terminology Standardization Committee.

French

Domaine(s)
  • Phénomènes météorologiques, climatiques et atmosphériques
DEF

Avalanche qui affecte les trois zones du couloir d'avalanche.

CONT

Les avalanches majeures se produisent généralement au printemps. [Exemple entériné par le Comité d'uniformisation de la terminologie des bulletins d'avalanche.]

OBS

De fait, l'avalanche majeure peut être une avalanche de grande ampleur qui touche ou atteint presque la limite inférieure de la zone de dépôt et qui peut entraîner une grande partie du manteau neigeux qui se trouve dans le couloir, ou même le manteau au complet.

OBS

avalanche majeure : terme uniformisé par le Comité d'uniformisation de la terminologie des bulletins d'avalanche.

Spanish

Save record 10

Record 11 1998-02-11

English

Subject field(s)
  • Metallurgy - General
DEF

A mechanical test used to determine the ductility and stretching properties of sheet metal. It consists of measuring the maximum part depth that can be formed before fracture. The test is typically carried out by stretching the test piece clamped at its edges into a circular die using a punch with a hemispherical end.

French

Domaine(s)
  • Métallurgie générale

Spanish

Save record 11

Record 12 1997-06-11

English

Subject field(s)
  • Metal Forming
DEF

A cupping test used for assessing the ductility of sheet metal. The method consists of forcing a conical or hemispherical-ended plunger into the specimen and measuring the depth of the impression at fracture.

French

Domaine(s)
  • Formage des métaux
DEF

Essai d'emboutissage à froid des métaux en feuilles.

Spanish

Save record 12

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