ABCDEFGHIJKLMNOPQRSTUVWXYZ
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Flambement d'un pieu
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dans un milieu élastiqueu0,7781720923variation0,01998
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d'après "Etude du flambement de pieux partiellement immergés dans un milieu offrant
ei1570,80epsi0,001
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latéralement une réaction élastique pure" par P. Souche - Annales de l'ITBTP 04/84
z_1-5,50ZZ1-4,28
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z_218,10ZZ214,08
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K576,00X0,00
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alpha1,07Y0,00
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Caractéristiques du pieu
Résultatsteta1,09tete1
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a1,18pied2
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module d'Young20,0010e6 t / m2
Charge de flambement
alpha21,1407288811 085 t#VALUE!
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diamètre0,20mNc =1085t1,0000,0001,0000,0000,0000,0000,000
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inertie *m40,0001,0681,0000,0000,0000,0000,0000,000
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* si le pieu n'est pas circulaire et plein
Longueur de flambement
-1,0000,0000,000-1,0000,0000,0000,0001,000
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longueur23,60mlf =3,780m0,000-1,068-1,0000,0000,8860,4630,0000,000
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longueur libre5,50m1,1410,0000,0000,0000,0000,0000,821-0,570
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Coefficient de flambement
0,0001,2180,0000,000-0,125-0,9920,0000,000
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Caractéristique du sol
m =38,9810,0000,0000,0000,0000,0000,0000,0001,000
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raideur2 880,0t / m30,0000,0000,0000,0000,0000,0000,821-0,570
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rappel :déterminant#VALUE!#VALUE!
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Conditions en tête
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encastrementEN TETEEN PIED
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encastrement
1,0000,0001,0000,0000,0000,0001,000
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Matrice de souplesse en tête (ne sert pas )
0,0001,0681,0000,0000,8860,4630,0000,000
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flèche (m)2,522E-048,053E-05H = 1 tarticulation1,0000,0001,0000,0000,0000,0001,000
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téta (rad)8,053E-055,160E-05M = 1 tm1,0000,0000,0000,0000,0000,0000,821-0,570
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liberté1,0000,0000,0000,000
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Conditions en pied
0,0000,0001,0000,000
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articulation
liberté en déplacement, pas en rotation
0,0001,0000,0000,000
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0,0000,0001,0000,000
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matrice1,0870,000-0,2131,000
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0,0560,8310,7100,000
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Explications des conditions aux extrémités
EN PIED
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encastrement
y = 0 et y' = 0
alpha<1.410,0000,0000,0001,0000,0000,0000,0001,000
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articulation
y = 0 et y'' = 0
0,8860,4630,0000,0000,8860,4630,0000,000
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liberté
y'' = 0 et EI y''' = -N y'
0,0000,0000,821-0,5700,0000,0000,821-0,570
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liberté en déplacement, pas en rotation
y' = 0 et EI y''' = -N y'
-0,125-0,9920,0000,000-0,125-0,9920,0000,000
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avec matrice de souplesse
alpha=1.411,0000,0000,0000,0001,0000,0000,0000,000
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0,0001,0001,0000,0000,0001,0001,0000,000
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-1,0000,0000,0002,000-1,0000,0000,0002,000
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0,000-1,000-3,0000,0000,000-1,000-3,0000,000
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alpha>1.411,0000,0000,0001,0001,0000,0000,0001,000
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0,0000,8481,1800,0000,0000,8481,1800,000
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-0,7190,0000,000-1,392-0,7190,0000,000-1,392
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0,000-0,609-1,6420,0000,000-0,609-1,6420,000
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0,0000,0000,0001,000
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0,8860,4630,0000,000
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0,0000,0000,821-0,570
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-0,125-0,9920,0000,000
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