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Catalogue Systèmes 2018

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Informations<br />

techniques<br />

Écart entre le bord et l‘axe<br />

Direction of force a 2<br />

a 1,c<br />

a 2,t<br />

Direction of force a 1<br />

a 1,t<br />

a 1<br />

a 2<br />

a 2,c<br />

Edge and axial distances not pre-drilled pre-drilled/<br />

drill bit<br />

Distance a [mm] [mm]<br />

a 1<br />

parallel to the grain 12 d 5 d<br />

a 1,t<br />

stressed end-cut timber 15 d 12 d<br />

a 1,c<br />

unstressed end-cut timber 10 d 7 d<br />

a 2<br />

perpendicular to the grain 5 d 4 d<br />

a 2,t<br />

stressed edge 10 d 7 d<br />

a 2,c<br />

unstressed edge 5 d 3 d<br />

d... Screw diameter<br />

Protection contre les incendies<br />

a fi<br />

a n<br />

a n<br />

a fi<br />

a 3,f<br />

a fi<br />

a n<br />

a 1,f<br />

a 2,f<br />

a fi<br />

t<br />

En cas<br />

d‘incendie<br />

Vis en cisaillement Vis en traction 2)<br />

BLC<br />

Bois massif<br />

a fi<br />

[mm]<br />

a fi<br />

[mm]<br />

a 1,f<br />

[mm]<br />

a 2,f<br />

[mm]<br />

a 3,f<br />

[mm]<br />

R 30 16 18 29 69 49<br />

R 60 48 1) 54 1) 53 93 73<br />

1)<br />

protégé par une cheville en bois collée<br />

2)<br />

protégé en cas d‘exposition directe au feu<br />

Les distances minimales à température normale ne perdent pas<br />

leur validité, calcul selon EN 1995-1-2<br />

a n<br />

..Distances aux bords et entraxes à température normale<br />

--- section transversale de combustion<br />

www.sihga.com Catalog <strong>Systèmes</strong> <strong>2018</strong> 95

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