mirahrjrs mirahrjrs
  • 26-02-2024
  • Engineering
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Une poutre en beton armé de 4 mètres de longueur a une section rectangulaire de base 25cm et de hauteur 30 cm et qui est dosé à 350 kg/m3
On donne pour 1m3 de beton: 450litres de sable , 0,800litre de gravier, 170litres d’eau , 350kg de ciment et un coffrage de 3,2m2
Donnez la quantité de matériaux nécessaires à l’ouvrage

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