tounssiiaaa Posted October 20, 2011 Report Share Posted October 20, 2011 Bonjour, J’ai modélisé une poutre sur robot, et je me rends compte que les résultats obtenus pour le moment fléchissant et l’effort tranchant sur le logiciel ne sont pas les mêmes que calculés via la RDM. Dans le calcul RDM, j’ai utilisé les formules : · Pour le moment fléchissant Mo = qL^2/8 =76.51 m.KN · Et l’effort tranchant : V = qL/2 = 81.83 KN Avec charges permanentes CP = 25.36 KN/m Charges d’exploitations : Q=6.35 KN/m Q = 1.35G + 1.5 Q = 43.76 KN/m Et le logiciel robot me donne : M= 77.85 KN/m V = 85.01 KN Est-ce que quelqu’un pourrait m’expliquer à quoi est due cette légère différence ? Est-ce que c’est normal.. Merci. Quote Link to comment Share on other sites More sharing options...
mazzik Posted October 20, 2011 Report Share Posted October 20, 2011 Quote Link to comment Share on other sites More sharing options...
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