DISEÑO DE ACEROS EN ESTRUCTURAS
DISEÑO DE COLUMNAS:
0.25 0.25 0.25 0.25
0.25 0.3 0.15 0.25 C-1 C-2 C-3 C-4 4Ø3/8 6Ø3/8 4Ø1/4 6Ø3/8 2Ø8mm 2Ø1/4 2Ø8mm
A= 6.25 cm2 A= 7.5 cm2 A= 3.75 cm2 A= 687.5A acero= 4 cm2 A acero= 4.8 cm2 A acero= 2.4 cm2 A acero= 4.4 cm2 Max. y Min.= 3.8 - 4.2 = 4.56 - 5.04 = 2.28 – 2.52 = 4.18 – 4.62 4Ø3/8 = 2.84+ 6Ø3/8= 4.26+ 4Ø1/4= 1.28+ 6Ø3/8= 4.26 2Ø8mm = 1 2Ø1/4= 0.64 2Ø8mm= 1 = 3.84 = 4.9 = 2.28
DISEÑO EN VIGAS, VIGUETA, VA Y VIGUETA “A”: VIGAS PERALTADA VIGUETA DE LOSA VIGA AMARRE VIGUETA “A”
0.4 0.2 0.2 0.2
0.25 0.10 0.25 0.15 4Ø1/2 N: Ø3/8 4Ø8mm N: Ø1/2 2Ø3/8 P: Ø 8mm 4 Ø ¼ P: Ø3/8A= 1000 cm2 A= 200 cm2 A= 500 cm2 A= 300 cm2 A acero= 6.40 A acero= 1.28 A acero= 3.2 A acero= 1.92Max. y Min.=6.08-6.72 = 1.21 – 1.34 = 3.04 – 3.36 = 1.82 – 2.02 4Ø1/2 = 5.16+ 1Ø3/8 = 0.71+ 4Ø8mm= 2+ 1Ø1/2 = 1.292Ø3/8 = 1.42 1Ø8mm= 0.5 4Ø1/4 = 1.28 1Ø3/8 = 0.71 = 6.58 = 1.21 = 3.28 = 2
VIGAS DE CIMENTACION:
VC – 1 VC – 2 0.4 0.4 0.25 0.3A= 1000 cm2 A= 1200 cm2A acero= 6.4 cm2 A acero= 7.68 cm2Max. y Min.= 6.08 – 6.72 Max. y Min.= 7.30 – 8.064 Ø 1/2 = 5.16+ 6 Ø 1/2 = 7.74 2 Ø 3/8 = 1.42 = 6.58 ACEROS PARA ZAPATAS:
Z-1 = 1.1x1.1 Z-2 = 1.8x1.5 Z-3 = 1.75x1.4 1.2z1.2 1.5x1.5 1.3x1.250% (4cm2) = 2cm2 50% (4.8cm2) = 2.4cm2 50% (4.4cm2) = 2.2 1- Vertical (0.95-1.05) 1.2-Vertical (1.14-1.26) 1.1-Vertical (1.05-1.15) 1-Horizontal (0.95-1.05) 1.2-Horizontal 1.1-Horizontal
(1.1x1.1) (1.8x1.5) (1.75x1.4) 0.9 1.55 .23 .23 0.9 1.23 Ø 1/4 = 0.96 A/S 4 Ø 6mm @.24 @.23
(1.2x1.2) (1.5x1.5) (1.3x1.2) 1.0 1.1 @.22
1.0 1.03 Ø 1/4 = 0.96 A/S 4 Ø 6mm = 1.12 A/s @.25
Espaciado de acero para el estribaje:
VC – 02: 0.6x7.74x0.33= 1.53 cm2Eje B (1-4) A central = 1.53 (1.46-1.60) 5 Ø 1/4 = 1.60 A extremos = 3.06 (2.91-3.21) 10 Ø
0.6 [email protected], [email protected], [email protected] 0.7 =25 1.9 0.6
1.3
3.85 [email protected], [email protected], [email protected], [email protected]
1.25 =25
1.3
VC – 02: 0.6x7.74x0.33= 1.53 cm2Eje B (1-2) A central = 1.53 (1.46-1.60) 5 Ø 1/4 = 1.60 A extremos = 3.06 (2.91-3.21) 10 Ø
0.6 [email protected], [email protected], [email protected] 0.7 =25 1.9 0.6
1.3
3.85 [email protected], [email protected], [email protected], [email protected]
1.25 =25
1.3
VC – 1:Eje 3:
2.85 2.05 2.7
0.95 0.95 0.95 0.70 0.65 0.70 0.90 0.9 0.9 [email protected], [email protected], [email protected], [email protected] [email protected], [email protected], [email protected] [email protected], [email protected], [email protected], [email protected] = 20 estribos = 18 estribos = 20 estribos
VC – 1:Eje 3:
2.85 4.35
1.45 1.45 1.45
[email protected], [email protected], [email protected], [email protected] [email protected], [email protected], [email protected], [email protected], [email protected] = 20 estribos = 19 estribos
VIGAS (Estribaje):
VA-01 0.6x3.2x0.33= 0.63 1/3 central= 0.63 (0.6-0.66), estribos 2 Ø 1/4 = 0.64Eje A: 1/3 extremos= 1.27 (1.21-1.33), estribos 2 Ø 1/4 = 1.28
.60 [email protected], [email protected], [email protected] .60 =10 estribos
.60
.60 [email protected], [email protected], [email protected], [email protected] .65 =10 estribos3.8 .60 V-A .55 [email protected], [email protected], [email protected] .60 =10 estribos
.55
0.48 [email protected], [email protected], [email protected] =4 estribos
VA – 01Eje B:
Similar al de Eje A [email protected], [email protected], [email protected], [email protected] = 10 estribos
[email protected], [email protected], [email protected] = 10 estribos
[email protected], [email protected], [email protected] =10 estribos
VIGA Eje D
0.55 [email protected], [email protected], [email protected] 0.6 = 8 estribos VA 1.0
1.30 3.80 1.20 [email protected], [email protected], [email protected] = 10 estribos 1.30
VP
Eje E:
0.6 [email protected], [email protected], [email protected], [email protected] 0.7 = 8 estribos 1.9 0.6
1.30
3.85 [email protected], [email protected], [email protected], [email protected] 1.25 =10 estribos
1.30
0.48 [email protected], [email protected], [email protected] = 4 estribos
Eje B’:
[email protected], [email protected], [email protected] = 4 estribos
Vigueta “A” (2-3) 0.6x1.92x0.33= 0.38 cm2
A acero central = 0.38 (0.36-0.40) 2 Ø 6mm = 0.56 0.6 A acero externo = 0.76 (0.72-0.80) 3 Ø 6mm = 0.84 1.85 0.65 0.6 [email protected], [email protected]
= 8 estribos
Eje A’ (4-5)
VP
0.48 [email protected], [email protected], [email protected] = 3 estribos
Eje D’ (1-2)
0.3 1 0.4 [email protected] resto @.20 = 8 estribos 0.3
Viga: VA - 01 2.9
1.5 1.5 [email protected], [email protected], [email protected] [email protected], [email protected], [email protected] = 10 estribos = 10 estribos
Eje 1’ (C-D) 0.85 0.15 2.10
[email protected], [email protected], [email protected] [email protected], [email protected], [email protected] = 10 estribos = 10 estribos
VIGA DE CIMENTACION (CONFINAMIENTO)
VC – 1 Eje A 0.6x6.4x0.33= 1.27 A acero central= 1.27 (1.2-1.34) 4 Ø 1/4 = 1.28 A acero extremos= 2.54 (2.41-2.67) 8 Ø 1/4 = 2.56
0.6 [email protected], [email protected], [email protected] 1.80 0.6 = 20 estribos
0.6
1.25 [email protected], [email protected], [email protected], [email protected], [email protected] = 20 estribos2.80 1.3
1.25
0.48 [email protected], [email protected], [email protected] = 4 estribosEje E:VC – 1
0.6 [email protected], [email protected], [email protected], [email protected] 0.6 0.7 = 20 estribos
0.63.85 1.30 [email protected], [email protected], [email protected], [email protected], [email protected] = 20 estribos
1.25
1.30
0.48 [email protected], [email protected], [email protected] = 4 estribos
Eje B: (4-5)
0.6 [email protected], [email protected], [email protected], [email protected] 0.6 0.7 = 20 estribos
0.63.85 1.30 [email protected], [email protected], [email protected], [email protected], [email protected] = 20 estribos
1.25
1.30
0.48 [email protected], [email protected], [email protected] = 4 estribos
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