TERMIUM Plus®

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

BUOYANT RAFT [1 record]

Record 1 2012-03-09

English

Subject field(s)
  • Shallow Foundations
  • Applications of Concrete
DEF

A reinforced-concrete raft foundation, usually with walls round the edges, whose weight including loads which it carries is approximately equal to the weight of the soil or water displaced.

CONT

Mats founded several meters below the ground surface, when combined with external walls, are termed floating foundations.

French

Domaine(s)
  • Fondations normales
  • Utilisation du béton
CONT

Fondations par caissons flottants. Ce procédé consiste à décharger les couches de terrain sous-jacent d'un poids égal ou supérieur à celui de la construction future. [...] on construit dans le sol un caisson étanche en béton armé [...] dont le volume correspond à celui des terres enlevées. Lorsque la construction est édifiée, en charge, la réaction transmise sur le mauvais sol est égale à celle que les couches sous-jacentes supportaient auparavant. L'ouvrage repose sur la face supérieure du caisson qui «flotte» ainsi dans le terrain sous l'effet d'une poussée à allure hydrostatique.

Spanish

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