El
tubo de concreto con junta hermética está diseñado
para evitar la exfiltración e infiltración de agua,
lo que permite conducir este vital líquido sin riesgo de
contaminar los mantos acuíferos.
La conección
del tubo se hace mediante una liga de hule, de manera que funciona
con un empaque que sella herméticamente.
TABLA
1 REQUISITOS DE DISEÑO PARA TUBOS DE CONCRETO REFORZADO
GRADO1
Carga M para producir una Grieta de 0.3 mm.- ver apéndice
Carga M para producir la ruptura 50 N/m/mm (5.1 kg/m/mm) 75 N/m/mm
(7.6 kg/m/mm)
| DIAMETRO
INTERIOR
|
REFUERZO
cm2/m DE PARED DE TUBO
RESISTENCIA DE CONCRETO, 27.6 MPa (f´c = 280 kg/cm2) |
| PARED
A |
PARED
B |
| Espesor
de
pared
mm |
Refuerzo
cm2/m
de pared de tubo |
Refuerzo
Elíptico |
Espesor
de
pared
mm |
Refuerzo
cm2/m
de pared de tubo
Circular |
Refuerzo
Elíptico |
Nom
cm |
Real
mm |
jaula
int |
jaula
ext |
jaula
int |
jaula
ext |
| 30 |
305 |
44 |
1.5 |
- |
- |
51 |
1.5 |
- |
- |
| 38 |
381 |
47 |
1.5 |
- |
- |
57 |
1.5 |
- |
- |
| 45 |
457 |
50 |
1.5 |
- |
1.5 |
63 |
1.5 |
- |
1.5 |
| 60 |
610 |
63 |
2.8 |
- |
2.3 |
76 |
1.5 |
- |
1.5 |
| 76 |
762 |
70 |
3.2 |
- |
3.0 |
89 |
3.0 |
- |
2.5 |
| 91 |
914 |
76 |
3.0 |
2.1 |
3.2 |
101 |
2.5 |
1.9 |
2.8 |
| 107 |
1067 |
89 |
3.4 |
2.5 |
3.8 |
114 |
3.2 |
2.5 |
3.6 |
| 122 |
1219 |
101 |
4.5 |
3.4 |
4.9 |
127 |
3.8 |
3.0 |
4.2 |
| 152 |
1524 |
127 |
6.4 |
4.7 |
7.0 |
152 |
5.3 |
4.0 |
5.9 |
| 183 |
1829 |
152 |
8.7 |
6.4 |
9.5 |
178 |
7.4 |
5.5 |
8.3 |
| 212 |
2134 |
--- |
--- |
--- |
--- |
203 |
9.7 |
7.2 |
10.8 |
|
RESISTENCIA
DEL CONCRETO 34.5 MPa (f´c = 350 kg/cm2)
|
| 212 |
2134 |
178 |
10.8 |
8.3 |
12.1 |
- |
- |
- |
- |
| 244 |
2438 |
203 |
13.1 |
10.0 |
14.6 |
228 |
12.1 |
9.1 |
13.3 |
| 305 |
3048 |
- |
- |
- |
- |
279 |
- |
- |
- |
TABLA
2 REQUISITOS DE DISEÑO PARA TUBOS DE CONCRETO REFORZADO
GRADO
2
Carga M para producir la Grieta de 0.3 mm.- 70N/m/mm (7.1 Kg/m/mm)
ver apéndice
Carga M para producir la ruptura: 100 N/m/mm (10.2 kg/m/mm) ver
apéndice
| DIAMETRO
INTERIOR |
REFUERZO:
cm2/m DE PARED DE TUBO
|
| RESISTENCIA
DE CONCRETO; 27.6 MPa (f´c = 280 kg/cm2) |
| PARED
A |
PARED
B |
| Espesor
de la
pared
mm |
Refuerzo
circular |
Refuerzo
Elíptico |
Espesor
de la
pared
mm |
Refuerzo
circular |
Refuerzo
Elíptico |
| Nom
cm |
Real
mm |
jaula
int |
jaula
ext |
jaula
int |
jaula
ext |
| 30 |
305 |
44 |
1.5 |
--- |
--- |
51 |
1.5 |
--- |
--- |
| 38 |
381 |
49 |
1.5 |
--- |
--- |
57 |
1.5 |
--- |
--- |
| 45 |
457 |
51 |
1.5 |
--- |
1.5 |
63 |
1.5 |
--- |
1.5 |
| 60 |
610 |
63 |
3.6 |
--- |
3.0 |
76 |
1.5 |
--- |
1.5 |
| 76 |
762 |
70 |
4.0 |
--- |
3.8 |
89 |
3.8 |
--- |
3.2 |
| 91 |
914 |
76 |
4.4 |
3.4 |
4.7 |
101 |
3.6 |
2.8 |
4.0 |
| 107 |
1067 |
89 |
5.3 |
4.0 |
5.9 |
114 |
4.4 |
3.4 |
4.9 |
| 122 |
1219 |
101 |
6.8 |
5.1 |
7.4 |
127 |
5.1 |
3.8 |
5.7 |
| 152 |
1524 |
127 |
9.3 |
7.0 |
10.4 |
152 |
7.4 |
5.5 |
8.0 |
| 183 |
1829 |
152 |
12.1 |
9.1 |
13.3 |
178 |
10.4 |
7.8 |
11.4 |
|
RESISTENCIA
DEL CONCRETO 34.5 MPa (f´c = 350 kg/cm2)
|
| 212 |
2134 |
178 |
15.2 |
11.4 |
16.9 |
203 |
14.6 |
11.0 |
17.3 |
| 244 |
2438 |
203 |
19.7 |
14.8 |
21.8 |
229 |
16.1 |
12.1 |
17.8 |
| 305 |
3048 |
--- |
- |
- |
- |
--- |
- |
- |
- |
TABLA
3 REQUISITOS DE DISEÑO PARA TUBOS DE CONCRETO REFORZADO
GRADO
3
Carga M para producir una Grieta de 0.3 mm 95.8 N/m/mm (9.8 kg/m/mm)
ver apéndice
Carga M para producir la ruptura 144.0 N/m/mm (14.7 kg/m/mm) ver
apéndice
| DIAMETRO
INTERIOR |
REFUERZO
cm2/m DE PARED DE TUBO
RESISTENCIA DE CONCRETO, 27.6 MPa (f´c = 280 kg/cm2) |
| PARED
A |
PARED
B |
| Resist.
del concreto 74.5 MPa |
Resist.
del concreto 27.6 MPa |
| Espesor
de
pared
mm |
Refuerzo
circular |
Refuerzo
Elíptico |
Espesor
de
pared
mm |
Refuerzo
Circular |
Refuerzo
Elíptico |
| Nom
cm |
Real
mm |
jaula
int |
jaula
ext |
jaula
int |
jaula
ext |
| 30 |
305 |
44 |
3.2 |
--- |
--- |
51 |
1.6 |
--- |
--- |
| 38 |
381 |
47 |
3.4 |
--- |
--- |
57 |
2.3 |
--- |
--- |
| 45 |
457 |
51 |
3.6 |
--- |
3.2 |
63 |
3.3 |
--- |
2.6 |
| 60 |
610 |
63 |
6.1 |
--- |
5.7 |
76 |
6.3 |
--- |
5.4 |
| 76 |
762 |
70 |
8.0 |
--- |
7.4 |
89 |
8.2 |
--- |
6.5 |
| 91 |
914 |
a |
--- |
--- |
--- |
101 |
7.0 |
5.1 |
7.7 |
| 107 |
1067 |
a |
--- |
--- |
--- |
114 |
8.2 |
6.1 |
9.1 |
| 122 |
1219 |
a |
--- |
--- |
--- |
127 |
9.8 |
7.5 |
11.0 |
|
RESISTENCIA
DEL CONCRETO 34.5 MPa (f´c = 350 kg/cm2)
|
| 152 |
1524 |
a |
--- |
--- |
--- |
152 |
13.7 |
10.5 |
15.4 |
| 183 |
1829 |
a |
--- |
--- |
--- |
178 |
18.4 |
14.0 |
20.5 |
TABLA
4 REQUISITOS DE DISEÑO PARA TUBOS DE CONCRETO REFORZADO
GRADO
4
Carga M para producir la Grieta de 0.3 mm.- 144.0 N/m/mm (14.7
Kg/m/mm) ver apéndice
Carga M para producir la ruptura: 180 N/m/mm (18.3 kg/m/mm) ver
apéndice
| DIAMETRO
INTERIOR |
REFUERZO:
cm2/m DE PARED DE TUBO
|
| RESISTENCIA
DE CONCRETO; 41.4 MPa (420 kg/cm2) |
| PARED
A |
PARED
B |
| Espesor
de la
pared
mm |
Refuerzo
circular |
Refuerzo
Elíptico |
Espesor
de la
pared
mm |
Refuerzo
circular |
Refuerzo
Elíptico |
| Nom
cm |
Real
mm |
jaula
int |
jaula
ext |
jaula
int |
jaula
ext |
30 |
305 |
a |
--- |
--- |
--- |
51 |
2.1 |
--- |
--- |
38 |
381 |
a |
--- |
--- |
--- |
57 |
3.0 |
--- |
--- |
45 |
459 |
a |
--- |
--- |
--- |
63 |
4.0 |
--- |
3.4 |
60 |
610 |
a |
--- |
--- |
--- |
76 |
6.4 |
--- |
5.1 |
76 |
762 |
a |
--- |
--- |
--- |
89 |
8.7 |
6.6 |
9.7 |
91 |
914 |
a |
--- |
--- |
--- |
101 |
10.6 |
8.0 |
11.9 |
109 |
1067 |
a |
--- |
--- |
--- |
114 |
12.7 |
9.5 |
14.2 |
122 |
1219 |
a |
--- |
--- |
--- |
127 |
15.5 |
11.6 |
17.1 |
152 |
1524 |
a |
--- |
--- |
--- |
a |
--- |
--- |
--- |
183 |
1829 |
a |
--- |
--- |
--- |
a |
--- |
--- |
--- |
212 |
2134 |
a |
--- |
--- |
--- |
a |
--- |
--- |
--- |
|
|
|
|
244 |
2438 |
a |
--- |
--- |
--- |
a |
--- |
--- |
--- |
305 |
3048 |
a |
--- |
--- |
--- |
a |
--- |
--- |
--- |
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