0 2 , 1
1 0 5 , 4
2 0 5 , 4
0 8 , 0
1,60 0 5 , 2
3 0 0 , 4
4 0 2 , 1
0,60
6,00
A
5,50
B
6,00
C
0, 60
D
0 2 , 1
1 0 5 , 4
2 0 5 , 4
0 8 , 0
1,60 0 5 , 2
3 0 0 , 4
4 0 2 , 1
0,60
6,00
A
5,50
B
6,00
C
0,60
D
1 0 5 , 4
2 0 2 , 4
0 5 , 4
1,50
1,50
3 0 0 , 4
4 0 0 , 2
1,80
A
6,00
5,50
B
6,00
C
1,80
D
1 0 5 , 4
2 0 2 , 4
0 5 , 4
1,50
1,50
3 0 0 , 4
4 0 0 , 2
1,80
A
6,00
5,50
B
6,00
C
1,80
D
1 0 5 , 4
2 0 6 , 3
0 5 , 4
1,50
3
1,50
0 0 , 4
4
1,80
A
6,00
5,50
B
6,00
C
1,80
D
1,30 3,20
2,30
3,10
2,30
3,30
3,30
3,30
3,75
4,50
1
4,50
2
4,00
3
2,00
4
3,78
3,30
3,30
3,30
3,75
1,80
6,00
A
5,50
B
6,00
C
1,80
D
1 0 5 , 4
2 0 6 , 3
0 5 , 4
1,50
3
1,50
0 0 , 4
4
1,80
6,00
A
5,50
B
6,00
C
1,80
D
1 0 5 , 4
NPT-1
NPT-1
NPT-1
2 0 6 , 3
NPT-2
0 5 , 4
1,50
3 0 0 , 4
NPT-2
1,50
NPT-3
4
1,80
6,00
A
5,50
B
6,00
C
1,80
D
h min
h min h min
L 18.5
L 21 L 16
450 18.5
450 21 450 16
24.32 cm
21.43 cm
28.13 cm
(*) Se debe calcular el peso de la tabiquería o usar al menos 250 kg/m2
LOSA NERVADA. e = 0.30 m. DATOS PARA EL IP3-Losas
3 4 5 6 7 8 11
3/8" 1/2" 5/8" 3/4" 7/8" 1" 1 3/8"
0.9525 1.27 1.5875 1.905 2.2225 2.54 3.4925
53 71 89 107 124 142 196
69 92 116 139 162 185 254
21 28 35 41 48 55 76
69 92 116 139 162 185 254
Armadura superior es la armadura horizontal que tiene por debajo 30 cm o mas de concreto
90 120 150 180 210 240 331
29 38 48 57 67 76 105
3 4 5 6 7 8 11
3/8" 1/2" 5/8" 3/4" 7/8" 1" 1 3/8"
0.9525 1.27 1.5875 1.905 2.2225 2.54 3.4925
49 65 81 97 113 130 178
63 84 105 126 147 168 232
20 25 32 38 44 51 70
63 84 105 126 147 168 232
Armadura superior es la armadura horizontal que tiene por debajo 30 cm o mas de concreto
82 109 137 164 192 219 301
29 38 48 57 67 76 105
As bd
0.018 0.002 0.018 4200 Fy
ACERO GRADO 42 ACERO GRADO 28 ó 35
ACERO GRADO > 42
1
2 4.50
0 3 . 0
.10
.10
.15 .15
5 1 . 0
.15 .15
1 Ø 1/2" x 1.65
1 Ø 1/2" x 1.65
5 1 . 0
As Sup. As Inf. 0 2 . 0
1 Ø 5/8" x 5.15
NPT-1
0 2 . 0
Puntos de inflexión
1
3
2 4.50
4
4.50
4.00
0 3 . 0
.10
.10
. 15 . 15
5 1 . 0
.10
.10
. 15 .1 5
1 Ø 1/2" x 1.65
.10
.15 .15
1 Ø 5/8" x 4.00 1.90
.10
. 15 . 15
1 Ø 1/2" x3.35
1 Ø 1/2" x 1.50
1.75
5 1 . 0
As Sup. As Inf.
1 Ø 1/2" x 4.50 5 1 . 0
1 Ø 1/2" x 9.50
NPT-2 NERVADA: E = 30 cm
0.45
5 1 . 0
3
4 4.00
0 3 . 0
.10
.10
.15 .15
5 1 . 0
.15 .15
1 Ø 1/2" x 1.50
1 Ø 1/2" x 1.50
5 1 . 0
As Sup. As Inf. 0 2 . 0
1 Ø 5/8" x 4.65
NPT-3
0 2 . 0
2
3
1,50
3,00
1,875 4,20 1,875 0,30 1,50
1,50
2
3
1,50
3,00
1,65 3,90
0,60 1,50
1,50
1,65
h min
L 24
450 24
18.75 cm
i.
0.00 5.94 0.00
0;5.84;10.20
18.57 14.00 0.00
0;2.51;5.05
2
3
1,50
3,00 f " c./.25 (en cada escalón)
1,875
Rep f " c./.25
.45
.35
1.31
f 1
/ 2 " c . / .2 0 x 3 .3 0 m
1.24
f f
1 / 2 " c . / . 2 0 x 5 .2 0 m
1 / 2 " c ./ .2 0 x 1 .0 0 m .20
.125
2
3
1,50
3,00
1,875 5 m 8 . x 1 m 2 . 0 .54 / . c " / 1 2 f
.35
.45
1.44
1.80
m . 5 1 x 3 m 2 m 0 . 1 2 6 . x c. / m " 0 2 2 . 1 / . / f c " 2 1 / f
.45
Asmin Asmin
0.79 f c' Fy 14 Fy
bw d
bw d
' 2 para f c 315 kg cm
para f c' 315 kg cm 2
max 0.025
• •
•
A
B
1.80
C
D
6.00
5.50
6.00
0.35 x 0.60
0.35 x 0.60
0.35 x 0.60
1.80
A
0.35 x 0.60
0.35 x 0.60
A EST. Ø 3/8"
6 C./.28 2R 1.55
5 2 . 0
10 C./.14 2R 1.20 0.25 0.25
10 C./.28 2R 3.10
3 Ø 3/4" x 3.60
5 2 . 0
10 C./.14 2R 10 C./.14 2R 1.20 1.20 0.25 0.25
9 C./.28 2R 2.60
2 Ø 7/8" x 2.90
10 C./.14 2R 10 C./.14 2R 1.20 1.20 0.25 0.25
10 C./.28 2R 3.10
2 Ø 7/8" x 2.90
1.50
3 Ø 3/4" x 3.60
1.40
3 Ø 3/4" x 11.30 3 Ø 3/4" x 11.30
As Sup. As Inf. 5 2 . 0
2V-2(A-D) ESCALA: 1:50
3 Ø 3/4" x 9.50
(Centrada) 3 Ø 3/4" x 8.50
10 C./.14 2R 6 C./.28 2R 1.20 1.55 0.25 0.25
3 Ø 3/4" x 9.50
5 2 . 0
5 2 . 0
5 2 . 0
A
B
1.80
C
D
6.00
5.50
6.00
0.35 x 0.60
0.35 x 0.60
0.35 x 0.60
1.80
A
0.35 x 0.60
0.35 x 0.60
A EST. Ø 3/8"
6 C./.28 2R 1.55
5 2 . 0
10 C./.14 2R 1.20 0.25 0.25
10 C./.28 2R 3.10
3 Ø 3/4" x 3.60
5 2 . 0
10 C./.14 2R 10 C./.14 2R 1.20 1.20 0.25 0.25
9 C./.28 2R 2.60
2 Ø 7/8" x 2.90
10 C./.14 2R 10 C./.14 2R 1.20 1.20 0.25 0.25
10 C./.28 2R 3.10
2 Ø 7/8" x 2.90
1.50
3 Ø 3/4" x 3.60
1.40
3 Ø 3/4" x 11.30 3 Ø 3/4" x 11.30
As Sup. As Inf. 5 2 . 0
2V-2(A-D) ESCALA: 1:50
3 Ø 3/4" x 9.50
(Centrada) 3 Ø 3/4" x 8.50
10 C./.14 2R 6 C./.28 2R 1.20 1.55 0.25 0.25
3 Ø 3/4" x 9.50
5 2 . 0
5 2 . 0
5 2 . 0
6 Ø 3/4" 2 x .10 0 3 . 0 5 5 . 0
0 6 . 0 0 3 . 0
0.30 3 Ø 3/4" ESTRIBOS (2R) Ø 3/8" C/.10 x 1.90 0.35
CORTE A-A ESCALA: 1:20
0.50
0.45
2 x .10
2 x .10 0.32
0 5 . 0
5 4 . 0
0.32 LIG. Ø 3/8" C/0.10 x 2.00 8 Ø 1"
COL B2 NIVEL 1 = NIVEL 2 ESCALA: 1:10
LIG. Ø 3/8" C/ 0.10 x 1.48
0.40
0.35
0 4 . 0
5 3 . 0
8 Ø 1"
COL B2 NIVEL 3 ESCALA: 1:10
LIG. Ø 3/8" C/0.10 x 1.60
2 x .10
0.40
0.35
0 4 . 0
5 3 . 0
4 Ø 3/4" 4 Ø 1"
COL B2 NIVEL 4 ESCALA: 1:10
2 x .10
LIG. Ø 3/8" C/0.10 x 1.60
0.30
0.25 0 3 . 0
5 2 . 0
4 Ø 1"
COL B2 NIVEL5 ESCALA: 1:10
2 x .10
LIG. Ø 3/8" C/0.20 x 1.20
Diseño de Ligaduras en Columnas
