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mm - GRAITEC Info

mm - GRAITEC Info

mm - GRAITEC Info

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Test n° 06-0209SSLLB_DTU133Calcul des diamètres et raideurs équivalents à long terme⎛ Eh⎜⎝ Eb• 1,97 1,97 0,25= 3, mD113⎞3⎛11390⎞eq=⎟ = × × ⎜ ⎟ 69s⎝ 27 ⎠⎠⎛ E ⎞⎛E ⎞⎜ ⎟h⎜E⎟⎝ ⎠⎝b ⎠s s• 0,58= 0,58×= 8,35MpamK1133Deq=⎜ ⎟⎜⎟/⎛ 27 ⎞⎛27 ⎞⎝ 0,25 ⎠⎝11390⎠Tassement sous la charge ponctuelle• w0,57Q=⎡2h(Eb.Es)⎢⎣13=⎤⎥⎦0.57×0.035[ 0.25( 11390×27² ) 3 ]1= 0.39<strong>mm</strong>Valeurs des moments en fonction de l'éloignement de l'impact.Le calcul des moments est indiqué dans le tableau Excel ci-dessous :Deq= 3.69mQ= 0.035MNDistance Valeur (m) Mt/(Q/8) Mt (MN.m) Mr/(Q/8) Mr (MN.m)0Deq 0 1 0.004375 1 0.0043750.1Deq 0.369 0.71 0.003106 0.88 0.0038500.2Deq 0.738 0.21 0.000919 0.63 0.0027560.3Deq 1.107 -0.07 -0.000306 0.43 0.0018810.4Deq 1.476 -0.16 -0.000700 0.3 0.0013130.5Deq 1.845 -0.19 -0.000831 0.21 0.0009190.6Deq 2.214 -0.19 -0.000831 0.14 0.0006130.7Deq 2.583 -0.17 -0.000744 0.1 0.0004380.8Deq 2.952 -0.14 -0.000613 0.07 0.0003060.9Deq 3.321 -0.1 -0.000438 0.05 0.0002191Deq 3.69 -0.06 -0.000263 0.03 0.0001311.1Deq 4.059 -0.03 -0.000131 0.02 0.0000881.2Deq 4.428 -0.01 -0.000044 0.01 0.0000441.3Deq 4.797 0 0.000000 0 0.000000148

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