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Donnes
Donnes gomtriques
(cm)(cm)a =1.5e =4
(cm)(cm)H =150h =142
(cm)l =4000
(cm)b =40Donnes gnrales Donnes CM 66
poutre me pleine/ en treillispoutre me pleinesansC = 1.132C = 1.132 si charge uniformment rpartieC = 1.365 si charge concentre au milieu(daN/mm)e = 24
type profilPL / PRSPRSsanskm =1km=1 si la poutre est me pleine(daN/mm)E =21000
%Cd =40
(daN/mm)fy=24
Donnes additif 80 Donnes Euocode3
type profilPL / PRSPRSk =1Encastrement : 0.5appuis simple : 1appui simple/appui encastr : 0.7
sansC11.13kw =1
sansC20.46C1=1.132
(cm)d(G;pt charge)0C2 =0.459
direction chargehors GC3 =0.525
(daN/mm)G8100pt.chargementza =0
(m)lf4000zs =0
Donnes tires du catalogueLT =2.4156110939
PL :courbe a XLT =0.146(cm4)Iy8564PRS:courbe c
(cm4)J191gomtrie sectiondoublementsymtrique
(cm3)Sx1280zj =0
(cm)h*35.2
charge d'exploitation max
(KN.m)moment du G1.88
(m)Longueur/80.75Section rectangulaire (mm)e30
(mm)h400
(mm)l8000
(daN/mm)E21000
(daN/mm)e24
x
y
Resultats
Resultats selon CM 66
vrification 1il y'as risque de dversement
vrification 2chercher une solution
Resultats selon additif 80
Vrification:il y a risque de dversement
Vrification:il y a risque de dversement
Resultats selon Eurocod 3
Vrification ( avec abaque):il y'a risque de dversement
vrification (avec formules)il y'a risque de dversement
Aspect thorique : poutre flchie de section rectangulaire
Vrification pas de risque de dversement
Note de calcul
CM66 ==> Elasticit
Ix (cm4) =2063617.66666667Ix/V=27514.9022222222
Iy (cm4) =42706.6041666667Iy/V=2135.3302083333
J (cm4) =1866.4166666667D = 2.4182938818
A (cm) =533B =1
g (daN/ml)= 418.405
d =1.6749241951
o =355.0065599524
k (daN.mm) = 1.6428799691
ko = 19.2314247557
kd = 8.4632543785
Mf (daN.m) = 83681
Cd*Mf (daN.m) =117153.4
f (daN.mm) = 4.25781633
Additif 80==> plasticitdimensions de la section donnesdonnes tires du catalogue
=1 =1
h* (cm) =146h* (cm) =35.2
lD (cm) = 4000lD (cm) = 4000
= 0 = 0
MD(daN.m) =112968.458118028MD =14959.6323443788
Sx (cm3)=15460.75Sx (cm3)=1280
Mp (daN.m) =742116Mp (daN.m) =61440
n =1.5n =1.5
kd =0.1464808802kd =0.2257461216
MD = kd*Mp (daN.m)108705.804858295MD = kd*Mp (kNm)13869.8417105502
Eurocod 3==> plasticitavec abaqueavec formules
Wel.y (cm3)= 27514.9022222222LT 0.49
Wpl.y (cm3)30921.5w0.8898307722
Iw (cm4) =227583493.604167Weff,y
zg = 0w0.8898307722
zj =0iz206.6557624812
Mcr (daN.m)=113168.402291688lt18.0586514531
h/tw=94.66666666670.9895285073
= 0.9895285073192.9167268311
classeclasse 2 ou 3lt bar0.1833348905
classeclasse 3lt bar2.4156110939
classe classe 3LT3.9604131966
LT = 2.4156110939lt0.1408681711
M =1.1lt*w*Wpl.y*fy/M (daN.m)84566.7044329765
Wl.y*fy*lt /M (daN.m)=87647.4703515151
Calcul de la charge d'exploitation maxque peut supporter une poutre sans dverser
Additif 80==> plasticitmoment du au PP2.538
1.5*L/81.125
Q max121.0314818716
Eurocod 3==> plasticitQ max776.8326253468
Aspect thorique : Section rectangulaire
Iy (mm4)900000
Iz (mm4)160000000
Jz (mm4)3600000
Ry (daN.mm)18900000000
G (daN/mm)8400
Rz (daN.mm)3360000000000
Ry*Rz63503999999999996000000
E*G176400000
Mo (daN.mm)9388185.91117731
k (daN/mm)11.8125