TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

RUPTURE ENVELOPE [1 record]

Record 1 2011-10-21

English

Subject field(s)
  • Strength of Materials
DEF

The envelope of a series of Mohr circles representing stress conditions at failure for a given material.

OBS

[The] Mohr's envelope ... according to the evidence available ... is a curve rather than a straight line ... If the Mohr envelope is visualized as a straight line, its final position is determined as the average of several available straight lines ....

French

Domaine(s)
  • Résistance des matériaux
DEF

Enveloppe des cercles de Mohr à la limite élastique et, pour certains matériaux comme les sols, à la rupture.

CONT

Résistance des matériaux des corps élastiques [...] Le critère de Mohr-Caquot concerne les matériaux peu ductiles et s'énonce ainsi : pour que la limite élastique ne soit pas dépassée en un point, il faut que le cercle de Mohr correspondant soit à l'intérieur d'une courbe appelée courbe intrinsèque.

CONT

Les plus grandes contraintes ayant leurs extrémités sur le cercle de Mohr [...] la courbe intrinsèque est l'enveloppe des cercles de Mohr pour lesquels apparaissent les premiers glissements irréversibles.

Spanish

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