Sf011a Fr Eu
of 4
Transcript of Sf011a Fr Eu
-
7/26/2019 Sf011a Fr Eu
1/4
Cet organigramme prsente, de manire simpli fie, des procdures exhaustives de
dtermination des charges de vent dans un btiment mult i-tag.
Organigramme : Evaluation des charges de vent
SF011a-FR-EU
Organigramme : Evaluation des charges de vent
Dbut
Calcul de la vitesse
de rfrence du vent
vb = cdirx csaisonx vb,0
EN 1991-1-4
6.2 et 6.3
EN 1991-1-4
4.2
Carte europenne
des vents
(Annexe Nationale)
Dterminer le
coefficient structural
Dterminer les
coefficients de
pression interne
cpi
EN 1991-1-4
7.2.2 et 7.2.3
EN 1991-1-4
7.2.9
Dterminer la pression du vent
we = qp(ze) x cpe [kN/m]
wi = qp(zi) x cpi [kN/m]
EN 1991-1-4
5.3 (3)
Fin
Dterminer la
pression dynamique
de pointe
Dterminer les
coefficients de
pression externe
cpe,J
Dterminer les efforts dus au
vent=
surfaces
refedswe AwccF
=surfaces
refiwi AwF
vb
qp(z)
cs, cd
Donnes
Donnes
b, h, d
EN 1991-1-4
4.5
Habituellement, pour les btiments
multi-tags, cpi= 0
La valeur recommande
pour cdirand csaison is 1,0
cset cdsont habituellement pris comme tant gaux 1,0
frepfrfr )( AzqcF =
EN 1991-1-4
7.5 (3)-(4)
cpe,ii =de A J
cpi
1
http://www.access-steel.com/discovery/linklookup.aspx?id=EC105http://www.access-steel.com/discovery/linklookup.aspx?id=EC105http://www.access-steel.com/discovery/linklookup.aspx?id=EC097http://www.access-steel.com/discovery/linklookup.aspx?id=EC097http://www.access-steel.com/discovery/linklookup.aspx?id=EC097http://www.access-steel.com/discovery/linklookup.aspx?id=EC097http://www.access-steel.com/discovery/linklookup.aspx?id=EC097http://www.access-steel.com/discovery/linklookup.aspx?id=EC107http://www.access-steel.com/discovery/linklookup.aspx?id=EC107http://www.access-steel.com/discovery/linklookup.aspx?id=EC109http://www.access-steel.com/discovery/linklookup.aspx?id=EC109http://www.access-steel.com/discovery/linklookup.aspx?id=EC110http://www.access-steel.com/discovery/linklookup.aspx?id=EC110http://www.access-steel.com/discovery/linklookup.aspx?id=EC104http://www.access-steel.com/discovery/linklookup.aspx?id=EC104http://www.access-steel.com/discovery/linklookup.aspx?id=EC111http://www.access-steel.com/discovery/linklookup.aspx?id=EC111http://www.access-steel.com/discovery/linklookup.aspx?id=EC111http://www.access-steel.com/discovery/linklookup.aspx?id=EC111http://www.access-steel.com/discovery/linklookup.aspx?id=EC104http://www.access-steel.com/discovery/linklookup.aspx?id=EC104http://www.access-steel.com/discovery/linklookup.aspx?id=EC110http://www.access-steel.com/discovery/linklookup.aspx?id=EC110http://www.access-steel.com/discovery/linklookup.aspx?id=EC109http://www.access-steel.com/discovery/linklookup.aspx?id=EC109http://www.access-steel.com/discovery/linklookup.aspx?id=EC107http://www.access-steel.com/discovery/linklookup.aspx?id=EC107http://www.access-steel.com/discovery/linklookup.aspx?id=EC097http://www.access-steel.com/discovery/linklookup.aspx?id=EC097http://www.access-steel.com/discovery/linklookup.aspx?id=EC105http://www.access-steel.com/discovery/linklookup.aspx?id=EC105 -
7/26/2019 Sf011a Fr Eu
2/4
Considrer le btiment en plusieurs parties
Considrer le btiment en deux parties
Calculer la vitesse moyenne du
vent
Organigramme : Evaluation des charges de vent
SF011a-FR-EU
Dtermination de la pression dynamique de pointe
Dterminer le
coefficient de
rugosit cr(z)
Dterminer
le coefficient
d'orographie
co(z)
Dterminer le
coefficient de
turbulence kI
Dterminer la
longueur de
rugosit z0
Calculer l'intensit des turbulences
o z = min (z, zmin)borm )()()( vzczczv =
)/ln()()(
0o
IV
zzzc
kz
=l
Calculer la pression dynamique de pointeEN 1991-1-4
4.5 eq. (4.8)
EN 1991-1-4
4.3.2EN 1991-1-4
4.3.3
Annexe
Nationale
EN 1991-1-4
Tableau 4.1
EN 1991-1-4
4.3 eq. (4.3)
EN 1991-1-4
4.4 eq. (4.7)
Dbut
Calculer le rapport h/b
bh
bhb 2
Le btiment peut tre considr comme tant
d'un seul tenant
Dterminer les donnes
cr(z), co(z), kI, z0
cr(z), co(z),
kI, z0
Retour
pour les btiments
situs sur une colline,
sinon co(z) = 1,0
Valeur
recommande
kl = 1,0
typique pour les btiments
multi-tags
)(2
2
1)](71[)( mVp zvzzq += l
2
http://www.access-steel.com/discovery/linklookup.aspx?id=EC104http://www.access-steel.com/discovery/linklookup.aspx?id=EC104http://www.access-steel.com/discovery/linklookup.aspx?id=EC112http://www.access-steel.com/discovery/linklookup.aspx?id=EC112http://www.access-steel.com/discovery/linklookup.aspx?id=EC113http://www.access-steel.com/discovery/linklookup.aspx?id=EC113http://www.access-steel.com/discovery/linklookup.aspx?id=EC103http://www.access-steel.com/discovery/linklookup.aspx?id=EC103http://www.access-steel.com/discovery/linklookup.aspx?id=EC114http://www.access-steel.com/discovery/linklookup.aspx?id=EC114http://www.access-steel.com/discovery/linklookup.aspx?id=EC115http://www.access-steel.com/discovery/linklookup.aspx?id=EC115http://bart/projects/CMP/CMP554/Finalization/SF%20files/SF011/T1301-DFE-1310.vsdhttp://bart/projects/CMP/CMP554/Finalization/SF%20files/SF011/T1301-DFE-1310.vsdhttp://bart/projects/CMP/CMP554/Finalization/SF%20files/SF011/T1301-DFE-1310.vsdhttp://www.access-steel.com/discovery/linklookup.aspx?id=EC115http://www.access-steel.com/discovery/linklookup.aspx?id=EC115http://www.access-steel.com/discovery/linklookup.aspx?id=EC114http://www.access-steel.com/discovery/linklookup.aspx?id=EC114http://www.access-steel.com/discovery/linklookup.aspx?id=EC103http://www.access-steel.com/discovery/linklookup.aspx?id=EC103http://www.access-steel.com/discovery/linklookup.aspx?id=EC113http://www.access-steel.com/discovery/linklookup.aspx?id=EC113http://www.access-steel.com/discovery/linklookup.aspx?id=EC112http://www.access-steel.com/discovery/linklookup.aspx?id=EC112http://www.access-steel.com/discovery/linklookup.aspx?id=EC104http://www.access-steel.com/discovery/linklookup.aspx?id=EC104 -
7/26/2019 Sf011a Fr Eu
3/4
Organigramme : Evaluation des charges de vent
SF011a-FR-EU
Dtermination des coefficients de pression externe
Calculer le rapport e/det
diviser les murs en zones :
A, B, C, D et E
de < de de 5
EN 1991-1-4
Tableau 7.1
Dterminer les valeurs
recommandes cpedes
coefficients de pression externe
pour les murs verticaux des
btiments plan rectangulaire
Diviser la toiture en
zones : F, G, H, I
valable pour toits plats
avec -5 < < 5
EN 1991-1-4
Tableau 7.2Dterminer les coefficients
de pression externe cpepour toits plats
Dbut
Retour
EN 1991-1-4
7.2.2
EN 1991-1-4
7.2.3
A > 10 m
cpe,i = cpe,10
1 A
cpe,i = cpe,1
Dterminer lasurface charge
A [m]
cpe,i
Coefficients de pression
pour les toitures
NOTE : position des zones pour une toiture plate
typique pour les btiments
multi-tags
e = min (b, 2h)
b est la longueur de
la faade perpendiculaire
la direction du vent
e = min (b, 2h)
b est la longueur de
la faade perpendiculaire
la direction du vent
REMARQUE : Si la pente de
la toiture est > 5, voir SF014
vent
ventvent
vent
3
http://www.access-steel.com/discovery/linklookup.aspx?id=EC116http://www.access-steel.com/discovery/linklookup.aspx?id=EC116http://www.access-steel.com/discovery/linklookup.aspx?id=EC117http://www.access-steel.com/discovery/linklookup.aspx?id=EC117http://bart/projects/CMP/CMP554/Finalization/SF%20files/SF011/T1301-DFE-1310.vsdhttp://www.access-steel.com/discovery/linklookup.aspx?id=EC107http://www.access-steel.com/discovery/linklookup.aspx?id=EC107http://www.access-steel.com/discovery/linklookup.aspx?id=EC108http://www.access-steel.com/discovery/linklookup.aspx?id=EC108http://www.access-steel.com/discovery/linklookup.aspx?id=SF014http://www.access-steel.com/discovery/linklookup.aspx?id=SF014http://www.access-steel.com/discovery/linklookup.aspx?id=SF014http://www.access-steel.com/discovery/linklookup.aspx?id=SF014http://www.access-steel.com/discovery/linklookup.aspx?id=SF014http://www.access-steel.com/discovery/linklookup.aspx?id=EC108http://www.access-steel.com/discovery/linklookup.aspx?id=EC108http://www.access-steel.com/discovery/linklookup.aspx?id=EC107http://www.access-steel.com/discovery/linklookup.aspx?id=EC107http://bart/projects/CMP/CMP554/Finalization/SF%20files/SF011/T1301-DFE-1310.vsdhttp://bart/projects/CMP/CMP554/Finalization/SF%20files/SF011/T1301-DFE-1310.vsdhttp://www.access-steel.com/discovery/linklookup.aspx?id=EC117http://www.access-steel.com/discovery/linklookup.aspx?id=EC117http://www.access-steel.com/discovery/linklookup.aspx?id=EC116http://www.access-steel.com/discovery/linklookup.aspx?id=EC116 -
7/26/2019 Sf011a Fr Eu
4/4
TITRE DE LA RESSOURCE
Rfrence(s)
Organigramme : Evaluation des charges de vent
DateNom
Enregistrement de la qualit
Socit
Cr par
13/07/05Gerhard Sedlacek RWTHContenu technique vrifi par
Contenu rdactionnel vrifi par
DOCUMENT TRADUIT
Traduction ralise et vrifie par :
Ressource traduite approuve par
Organigramme : Evaluation des charges de vent
SF011a-FR-EU
Contenu technique approuv par les
partenaires STEEL :
1. Royaume-Uni
2. France
3. Sude
4. Allemagne
DOCUMENT ORIGINAL
Ressource approuve par le
Coordonnateur technique
24/10/05G W Owens SCI
18/10/05A Bureau CTICM
21/10/05A Olsson SBI
14/10/05C Mller RWTH
5/06/06G W Owens SCI
15/03/06eTeams International Ltd.
09/05/06A. Bureau CTICM
5. Espagne 19/10/05J Chica Labein
29/06/05Matthias Oppe RWTH
4
