| | POSICIÓN |
| VIGAS |
| CANTO (cm) |
| ANCHO NERVIO |
| CASETÓN |
| RESISTENCIA (N/mm2) |
| AMBIENTE |
| VERTIDO |
| LUZ MEDIA |
a |  |
horizontal |
 |
sin |
 |
20+5 |
 |
10 |
 |
hormigón |
 |
25 |
 |
I |
 |
cubilote |
 |
<4 m |
b |  |
inclinación <30% |
 |
embebidas |
 |
25+5 |
 |
12 |
 |
poliestireno |
 |
30 |
 |
IIa |
 |
bomba |
 |
4-6 m |
c |  |
inclinación 30-60% |
 |
de canto |
 |
25+7 |
 |
14 |
 |
arcilla expandida |
 |
35 |
 |
IIb |
|
|
 |
6-8 m |
d | |
|
|
|
 |
30+5 |
 |
15 |
 |
cubeta recuperable |
 |
40 |
 |
IIIa |
|
|
 |
>8 m |
e | |
|
|
|
 |
30+7 |
 |
16 |
|
|
|
|
 |
IV |
|
|
|
|
f | |
|
|
|
 |
35+5 |
 |
18 |
|
|
|
|
|
|
|
|
|
|
g | |
|
|
|
 |
35+7 |
 |
20 |
|
|
|
|
|
|
|
|
|
|
h | |
|
|
|
 |
35+10 |
|
|
|
|
|
|
|
|
|
|
|
|
|