VIGAS LATERALES
Enviado por cristhian.c1985 • 30 de Enero de 2017 • Documentos de Investigación • 4.416 Palabras (18 Páginas) • 211 Visitas
Viga Lateral
Especificaciones: Valores Calculados:
- Fy = 60000 lb/plg2 Mu (+) = 4318.37 kg. m
- F`c = 4000 lb/plg2 Mu (-) = 4347.34 kg.m
- F’c = 3000 lb/ plg2 (estribos)
[pic 2]
Mu (+) = 4318.37 kg.m ≈ 431837 kg.cm
As (+) = 3.86 cm2
[pic 3]
[pic 4] OK![pic 5]
dreal = 40 – 4 – 1 – ½ (5/8)(2.54)
dreal = 34.21 cm
[pic 6]
dreal > dasum OK!
Asreal (+) = 3.98 cm2 2 # 5[pic 7]
[pic 8]
Mureal < 497001.71 kg. cm
Mureal < 4970.01 kg.m
[pic 9]
Mu real > Mu inicial OK!
Mu (-) = 4347.34 kg.m ≈ 434734 kg.cm
As (-) = 3.88 cm2
[pic 10]
[pic 11] OK![pic 12]
dreal = 40 – 4 – 1 – ½ (5/8)(2.54)
dreal = 34.21 cm
[pic 13]
dreal > dasum OK!
Asreal (-) = 3.98 cm2 2 # 5[pic 14]
[pic 15]
Mureal < 497001.71 kg. cm
Mureal < 4970.01 kg.m[pic 16]
Mu real > Mu inicial OK!
Diseño para Esfuerzo Cortante:
[pic 17][pic 18]
[pic 19][pic 20]
“OK”
Zona de Confinamiento:
[pic 21]
Smáx = d/2 = 34.21 cm / 2 = 17.10 cm
[pic 22]
Estribos # 3 G-40 1 @ 0.05 m
8 @ 0.09 m
resto @ 0.17 m
Viga Interior
Especificaciones: Valores Calculados:
- Fy = 60000 lb/plg2 Mu (+) = 4328.10 kg. m
- F`c = 4000 lb/plg2 Mu (-) = 3801.78 kg.m
- F’c = 3000 lb/ plg2 (estribos)
[pic 23]
Mu (+) = 4328.62 kg.m ≈ 432862 kg.cm
As (+) = 3.50 cm2
[pic 24]
[pic 25] OK![pic 26]
dreal = 40 – 4 – 1 – ½ (5/8)(2.54)
dreal = 34.21 cm[pic 27]
dreal > dasum OK!
Asreal (+) = 3.98 cm2 2 # 5[pic 28]
[pic 29]
Mureal < 497001.71 kg. cm
Mureal < 4970.01 kg.m
[pic 30]
Mu real > Mu inicial OK!
Mu (-) = 3801.78 kg.m ≈ 380178 kg.cm
As (-) = 3.06 cm2
[pic 31]
- No cumple y se utiliza acero mínimo:
As(-) = 0.0033 (30)(34.21)
As(-) = 3.418 cm2
As(-) = 3.98 cm2 2 # 5[pic 32]
dreal = 40 – 4 – 1 – ½ (5/8)(2.54)
dreal = 34.21 cm
[pic 33]
dreal > dasum OK!
[pic 34]
Mureal < 497001.71 kg. cm
Mureal < 4970.01 kg.m[pic 35]
Mu real > Mu inicial OK!
Diseño para Esfuerzo Cortante:
[pic 36][pic 37]
[pic 38][pic 39]
“OK”
...