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| 170 |
Deep Prestressed Concrete
Hollow Block Slab |
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| S120 Block |
Rib Centers 600 mm |
In-Situ Concrete
0.079 m³/m² |
| 440x220x120 |
Self Weight 3.15
kN/m² |
M of Inertia
1.793E-04 m4/m |
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| Qk
Service Loads in kN / m² for given Spans |
| Wire Option |
Ultimate Moment Mu
kNm/m |
Ultimate Shear Vu
kN/m |
Spans
(mm) |
| 2500 |
2700 |
2900 |
3100 |
3300 |
3500 |
3600 |
3800 |
4000 |
4200 |
4400 |
4500 |
4600 |
4800 |
5000 |
5100 |
5300 |
5500 |
5700 |
5900 |
| 3 |
13.0 |
18.5 |
6.9 |
6.2 |
5.2 |
4.4 |
3.6 |
2.9 |
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| 5 |
20.6 |
21.9 |
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5.3 |
4.8 |
4.1 |
3.5 |
3.0 |
2.7 |
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| 7 |
27.4 |
24.6 |
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4.1 |
3.6 |
3.1 |
2.9 |
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| 8 |
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| S120 Block |
Rib Centers 750 mm |
In-Situ Concrete
0.084 m³/m² |
| 440x220x120 |
Self Weight 3.29
kN/m² |
M of Inertia
2.438E-04 m4/m |
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| Qk
Service Loads in kN / m² for given Spans |
| Wire Option |
Ultimate Moment Mu
kNm/m |
Ultimate Shear Vu
kN/m |
Spans
(mm) |
| 2500 |
2700 |
2900 |
3100 |
3300 |
3500 |
3600 |
3800 |
4000 |
4200 |
4400 |
4500 |
4600 |
4800 |
5000 |
5100 |
5300 |
5500 |
5700 |
5900 |
| 3 |
20.4 |
32.0 |
13.4 |
11.5 |
9.7 |
8.2 |
6.9 |
5.9 |
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| 5 |
31.96 |
38.0 |
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9.9 |
8.6 |
7.5 |
6.6 |
5.8 |
5.4 |
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| 7 |
41.8 |
42.5 |
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7.4 |
6.6 |
5.9 |
5.6 |
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| 8 |
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Slabs Propped
during
construction at equal
centers of 1.5m or less |
Superload Limited
by Strength
Moment
Shear |
Superload Limited
by Deflection
Less than 15mm always
Less than span/250 |
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Site maintained by:
TradePage |
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Designed by: Matt Jones-- |
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