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probléme ac calcul de G


Lysa.S

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charge permanente de garvillon de protéction est égale a G=ρ * e ,kél est la valeur de ce ρ?? et coment choisir le "e"??

et je cherche aussi tout les ρ de cela:

_Etanchéité multicouche

_Forme de pente

_Isolation thermique en liége

_Dalle en corps creux (16+4)

_Enduit en plâtre

et por étage courant :

_Carrelage

_

Mortier de pose

_Lit de sable

-Enduit en plâtre

_Cloison intérieure

pour un bt a usage d'habitation

merciiiiiiiiiiiiiiiiii

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