Method of dimensioning and producing stiffened structural...

B - Operations – Transporting – 64 – C

Patent

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B64C 1/06 (2006.01) B64F 5/00 (2006.01)

Patent

CA 2626169

The invention concerns a method of dimensioning and producing stiffened structural components (4) comprising at least one shell component (6) and at least one stiffening component (8) which can be connected thereto, in which the shell component (6) and the at least one stiffening component (8) is dimensioned on the assumption of intactness of the at least one stiffening component and having regard to a predetermined safety factor and/or a predetermined structural inspection interval in which a predetermined maximum crack progression in the shell component is not to be exceeded and/or the strength of the structural component is not to fall below a predetermined minimum residual strength, and in which the at least one stiffening element (8) of the structural component dimensioned by this method is equipped with at least one structural condition sensor (30) for detecting intactness; as well as the use of structural condition sensors in an aircraft, in particular a passenger aircraft.

La présente invention concerne un procédé de dimensionnement et de fabrication de composants structuraux renforcés comprenant au moins un élément de coque et au moins un élément de renforcement pouvant être assemblés ensemble. Selon la présente invention, l'élément de coque et l'élément de renforcement sont dimensionnés sur la base de l'intégrité de l'élément de renforcement et compte tenu d'un facteur de sécurité prédéterminé et/ou d'un intervalle d'inspection des structures prédéterminé pendant lequel une progression de fissure maximale prédéterminée dans l'élément de coque ne doit pas être dépassée et/ou la résistance du composant structural ne doit pas tomber au-dessous d'une résistance résiduelle minimale prédéterminée. L'élément de renforcement du composant structural dimensionné selon ce procédé est équipé d'un ou plusieurs détecteurs d'état structural destinés à détecter l'intégrité. L'invention a également trait à l'utilisation de détecteurs d'état structural dans un avion, en particulier un avion de transport de passagers.

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