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prop_geom_AASHTO
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Author:
Fernando Miranda
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PROPIEDADES GEOMETRICAS PARA VIGAS AASHTO
Tabla 1. Vigas AASHTO de Sección I Viga Tipo
Ac
Ic
cb
I II III IV V VI
x 103 mm2 178.1 238.1 361.3 509.0 653.5 700.0
x 109 mm4 9.5 21.2 52.2 108.5 216.9 305.2
mm 320 402 515 628 812 924
CI52K: Hormigón Pretensado Prof. F. Yánez
Vano recomendado máximo m 9..1 - 13.7 12.2 - 18.3 16.8 - 24.4 21.3 - 30.5 27.4 - 36.6 33.5 - 42.7
Página 1 de 2 I. López
Tabla 2. Vigas AASHTO de Sección Cajón
Viga Tipo BI-36 BI-48 BII-36 BII-48 BIII-36 BIII-48 BIV-36 BIV-48
Ac Ic 3 2 9 x 10 mm x 10 mm4 362 447 400 485 439 524 458 544
20.95 27.45 35.44 45.99 54.59 70.08 66.03 84.53
cb mm 339 340 414 415 489 490 527 528
Vano recomendado máximo Cable deflectado Cable recto m m 22.56 22.25 26.21 26.21 29.57 29.26 31.39 31.39
18.9 19.2 22.25 22.56 25.3 25.3 26.52 26.82
Referencia: T.Y. Lin, “Design of Prestressed Concrete Structures”, 3ª edición, 1982, Ed. John Wiley & Sons.
CI52K: Hormigón Pretensado Prof. F. Yánez
Página 2 de 2 I. López
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