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In 1913, a grain elevator near Winnipeg, Canada, experienced a bearing-capacity failure during its first loading. The foundation consisted of a large rectangular raft resting on a plastic clay deposit. The load at failure is known. This article presents the results of tests made to determine the properties of the clay, and demonstrates that the failure occured at a pressure corresponding to the computed ultimate bearing-capacity of the clay.

The article is accommpanied by a supplementary not by Mr L. Scott White— an eye-witness of the incident.

En 1913 la rupture d'un silo près de Winnipeg, Canada, a eu lieu dont la cause était l'insuffisance de la force portante. Le silo était fondé sur unradier supporté par une couche d'argile plastique La charge au moment dela rup est connue.

Les qualités de L'argile sont indiquées par les resultats presentés ci-dessous des essais de sol sur des énchantillons intacts.

Ces résultats indiquent que la rupture a eu lieu sous une charge égale à la force portante limite calculée de l´argile.

L'article est accompagné d'une note supplémentaire par M. L. Scott White, qui était témoin à l'incident.

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