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mm - GRAITEC Info

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Test n° 06-0211SSLLB_DTU1332.65.3. Résultats de référenceCalcul des diamètres et raideurs équivalents à long termeD113⎞3b⎛11390⎞eq ⎟ = 1,97×0,18×⎜ ⎟ = 2, 60s⎝ 29 ⎠⎛ E= 1,97h⎜⎝ E⎠13⎛ Es⎞⎛E ⎞s⎛ 29 ⎞⎛29 ⎞KDe= 0,58⎜⎟ 0,58 ⎜ ⎟⎜⎟ = 12,76Mpa/ mh⎜ = ×E⎟⎝ ⎠⎝b ⎠ ⎝ 0,18 ⎠⎝11390⎠13mCalcul des effets conjugués du retrait différentiel et d'un gradient de température• ε = 0.4<strong>mm</strong>mr/• Dmax= 25 <strong>mm</strong> => pas de majoration du retrait'• Epaisseur de chape =0 => ε = ε = 0.40<strong>mm</strong>m• δ = C × H = 40×0.18 = 7. 2 ct°r r/" '−5−5• ε = ε + 1.1×δ × 10 = 0.00040 + 1.1×7.2×10 = 0.00048<strong>mm</strong>r rt/Longueur soulevée en angle de jointsLsa =" Ebv.H11390×0.180.16×εr× = 0.16×0.00048×= 2. 51mγ0.025Tassement en partie courante0.57⋅Q0.57⋅0.085• w === 1.27<strong>mm</strong>3 2H3 2⋅ E ⋅ E 0.18⋅11390⋅29pCalcul de la charge équivalente Qe• Q Q ( de= ⋅ 1 − )bsLsad = 0 .20² + 0.20² = 0. 28284Q e= 85 ⋅ 1−0.28284 = 75. 422.51• m• ( ) KNEn considérant les coefficients de transmission à chaque angle, on a les valeurs suivantes :Angle Coef. w Force(KN)1 0.20 15.0842 0.10 7.5423 0.20 15.0844 0.50 37.71153

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