Construction de palier sur cage d'escalier
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[i][color=#374953][size=3]bonjour à tous, [/size][/color][/i]
[i][color=#374953][size=3]Pourriez vous me conseiller, est ce que je peux utiliser des poutres UPN 80 (image ci-joint) pour construire un petit palier ( 75cm x 90cm) au dessus d'une cage d'escalier. Ce palier est destiné pour supporter un escalier en bois sans contremarche (largeur 60 cm) qui mènera au grenier. Je pensais installer 3 poutres UPN 80 posées au sol sur le coté 80mm (bras vers le haut). Les extrémités des poutres ( au moins 40 cm)seront posées au sol dans les pièces adjacentes . je les fixerais au sol par scellement chimique. Je sais qu'il existe des poutres IPE 80. Je crains qu'en les choisissant je n'aurai pas assez de largeur sur les ailes pour pouvoir les percer pour faire mon scellement chimique.[/size][/color][/i]
[i][color=#374953][size=3] Je serais très reconnaissant pour vos conseils[/size][/color][/i]
[i][color=#374953][size=3]
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[i][color=#374953][size=3]bras vers le haut:[/size][/color][/i]
[i][color=#374953][size=3][img]data:image/png;base64,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[/img][/size][/color][/i]
[i][color=#374953][size=3]Pourriez vous me conseiller, est ce que je peux utiliser des poutres UPN 80 (image ci-joint) pour construire un petit palier ( 75cm x 90cm) au dessus d'une cage d'escalier. Ce palier est destiné pour supporter un escalier en bois sans contremarche (largeur 60 cm) qui mènera au grenier. Je pensais installer 3 poutres UPN 80 posées au sol sur le coté 80mm (bras vers le haut). Les extrémités des poutres ( au moins 40 cm)seront posées au sol dans les pièces adjacentes . je les fixerais au sol par scellement chimique. Je sais qu'il existe des poutres IPE 80. Je crains qu'en les choisissant je n'aurai pas assez de largeur sur les ailes pour pouvoir les percer pour faire mon scellement chimique.[/size][/color][/i]
[i][color=#374953][size=3] Je serais très reconnaissant pour vos conseils[/size][/color][/i]
[i][color=#374953][size=3]
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[i][color=#374953][size=3]bras vers le haut:[/size][/color][/i]
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[/img][/size][/color][/i]
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