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Milbank Air Mattress Safety Systems
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| Beam and Block Floors |
Load Span Tables
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load span calculator
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The load /span tables show the maximum clear span for both domestic and other loading conditions, such as nursing homes, hotels and commercial developments. These tables are provided as a guide only. Please contact us for specific information.
|
150mm
deep T beam |
Spans
below allow for characteristic service (live) load +self weight
+ 1.5kN/m² finishes + 1.5kN/m² partitions |
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| Beam centres* | ** Type of block spacing |
Self weight (kN/m²) |
0.75 |
1.5 |
2.0 |
2.5 |
3.0 |
4.0 |
5.0 |
7.5 |
|
Maximum span in metres |
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 |
W |
1.76 |
4.07 |
3.82 |
3.67 |
3.54 |
3.42 |
3.21 |
3.04 |
2.54 |
 |
A |
1.88 |
4.56 |
4.20 |
4.12 |
3.97 |
3.84 |
3.61 |
3.42 |
3.04 |
 |
N |
2.09 |
5.27 |
4.95 |
4.77 |
4.61 |
4.46 |
4.20 |
3.98 |
3.55 |
 |
W |
2.10 |
5.02 |
4.74 |
4.57 |
4.41 |
4.27 |
4.02 |
3.81 |
3.40 |
 |
A |
2.27 |
5.46 |
5.16 |
4.98 |
4.81 |
4.66 |
4.39 |
4.17 |
3.73 |
 |
N |
2.52 |
6.02 |
5.71 |
5.51 |
5.33 |
5.17 |
4.89 |
4.64 |
4.16 |
 |
N |
2.76 |
6.37 |
6.05 |
5.85 |
5.66 |
5.50 |
5.20 |
4.95 |
4.44 |
** W=Wide (440mm) A=Alternate (440 + 215mm) N=Narrow (215mm).
| 225mm
deep D Beam (based on 1 hour fire resistance) Medium density infill blocks 1350kg/m² - 65mm screed finish |
Spans
below allow for characteristic service (live) load +self weight
+ 1.5kN/m² finishes + 1.5kN/m² partitions |
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|
Beam centres |
* |
Self weight (kN/m²) |
0.75 |
1.5 |
2.0 |
2.5 |
3.0 |
4.0 |
5.0 |
7.5 |
|
Maximum span in metres |
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 |
W |
2.36 |
6.31 |
5.94 |
5.73 |
5.54 |
5.37 |
5.07 |
4.81 |
4.30 |
 |
A |
2.62 |
6.95 |
6.57 |
6.34 |
6.14 |
5.96 |
5.63 |
5.35 |
4.80 |
 |
N |
3.08 |
7.84 |
7.39 |
7.20 |
6.98 |
6.78 |
6.43 |
6.12 |
5.52 |
 |
W |
3.03 |
7.49 |
7.09 |
6.86 |
6.66 |
6.46 |
6.13 |
5.84 |
5.26 |
 |
A |
3.35 |
8.00 |
7.60 |
7.36 |
7.15 |
9.95 |
6.60 |
6.29 |
5.68 |
 |
N |
3.84 |
8.63 |
8.22 |
7.98 |
7.76 |
7.55 |
7.19 |
6.87 |
6.23 |
 |
N |
4.22 |
8.95 |
8.54 |
8.30 |
8.08 |
7.88 |
7.51 |
7.19 |
6.54 |
** W=Wide (440mm) A=Alternate (440 + 215mm) N=Narrow (215mm).
 |
If you have a particular project in mind, try our ONLINE LOAD SPAN GUIDE CALCULATOR which will show you which of our products are suitable together with a guide price and it's current availability- or contact our estimating and design team. |
The above information is shown as a guide only. Milbank Floors reserves the right to change and upgrade specifications at any time.
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