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English: Example illustrating the principle of virtual cut and internal forces and moment.

A cantilever beam supports an uniformly distributed load of intensity q and a concentrated load in B. When cutting at a point C, the left trunk (#1) acts on the right trunk (#2) with a force and a moment MC1/2. Reciprocally, the right trunk (#2) acts on the left trunk (#1) with a force and a moment MC2/1;

;
.
The internal force and moment are either the ones at the left of the cutting plane or the ones at the right.
Français : Exemple illustrant la principe de la coupure et les forces et moments internes.

Une poutre encastrée supporte une charge répartie q et une charge concentrée en B. Lorsque l'on coupe en un point C, le tronçon de gauche (n° 1) agit sur le tronçon de droite (n° 2) avec une force et un couple MC1/2. De manière réciproque, le tronçon de droite (n° 2) agit sur le tronçon de gauche (n° 1) avec une force et un couple MC2/1 ;

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Pour les efforts de cohésion, on considère soit les efforts à droite de la coupure, soit les efforts à gauche.
Date
Source Own work
Author Christophe Dang Ngoc Chan Cdang


 
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Date/TimeThumbnailDimensionsUserComment
current13:22, 29 January 2020Thumbnail for version as of 13:22, 29 January 2020291 × 298 (50 KB)TheonModification des directions des vecteurs C1/2 et C2/1.
14:08, 2 September 2008Thumbnail for version as of 14:08, 2 September 2008291 × 298 (49 KB)Cdang{{Information |Description={{en|1=Example illustrating the principle of virtual cut and internal forces and moment. A clamped beam supports an uniformly distributed load of intensity ''q'' and a concentrated load <math>\vec{\mathrm{B}}</math> i
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