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Application des règles Eurocodes Caractéristiques générales du pont bipoutre dans la section transversale C0 L 1 = 50 m a = 8.333 m h = 2400 mm t w = 19 mm b tf = 800 mm b bf = 1000 mm t f = 40 mm h w = h − 2t f = 2.32 m e = 32.5 cm φ ur = 16 mm φ lr = 16 mm s ur = 130 mm s lr = 130 mm c ur = 60 mm c lr = 60 mm b eff = 6 m beff nur = = 46.154 s n lr ur beff = = 46.154 s lr Aires principales des différentes parties de la section mixte A A A = t b = 0.032 m² atf tf tf = t h = 0.044 m² aw w w = t b = 0.04 m² abf bf bf Aa = Aatf + Aaw + Aabf = 0.107 m² A A A A A sur 2 π dur = = 2.011 cm² 4 = n A = 92.816 cm² tsur ur sur slr 2 π dlr = = 2.011 cm² 4 = n A = 92.816 cm² tslr lr slr = c b = 0.36 m² cur ur eff ( ) A = e − c − c b = 1.23 m² A clur ur lr eff = c b = 0,36 m² clr lr eff Ac = ebeff = Acur + Aclur + Aclr = 1,95 m² (voir Notations et Figure 3-4) 3.1.2.2 Propriétés des matériaux Acier f yw = 345 N/mm² car 16 mm < t f = 19 mm ≤ 40 mm (cf. Tableau 2-4) 235 N / mm² ε w = = 0.825 f yw f yf = 345 N/mm² car 16 mm < t f = 40 mm ≤ 40 mm (cf. Tableau 2-4) 235 N / mm² ε f = = 0.825 f f f ydw ydf M 0 yf f yw = = 345 N/mm² γ f yf = = 345 N/mm² γ M 0 E a = 210000 N/mm² 83
Guide COMBRI Partie I EN1994-2, 5.5.2(1) Classification des sections mixtes sans enrobage de béton (1) Une semelle en acier comprimée maintenue vis-à-vis du voilement par une liaison efficace sur une semelle en béton au moyen de connecteurs peut être considérée comme étant de Classe 1 si l'espacement des connecteurs est conforme aux exigences de 6.6.5.5. EN1994-2, 6.6 84
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COMBRI GUIDE DE CONCEPTION PARTIE I
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PRÉFACE Ce manuel constitue l'un d
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Guide COMBRI - Partie I 2.4 Analyse
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Guide COMBRI - Partie I 4.2.3 Véri
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Guide COMBRI - Partie I k τ,st m q
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Guide COMBRI - Partie I N clur N sl
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Application des règles Eurocodes 1
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Application des règles Eurocodes 1
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