This span table is to the format and methodology given in bs 5268 7 1.
Floor loading calculation uk.
And if you don t calculate correctly you ll have an expensive repair on your hands.
Click on a span to generate a full calculation you can adjust the exact span.
In the calculations we assume 95 of the floor area is loaded to the value your provide in the uk it is standard practice to apply a higher floor load of around 7 5kn m2 over the remaining 5 of floor area.
We do not consider this in the calculation of occupancy.
Once the loading and geometry have been specified the calculator automatically uses the clearcalcs finite element analysis engine to determine the moments shear forces and.
If there s wall board covered ceiling suspended from the underside of that floor the dead load increases to about 10 pounds per square foot.
D dead load l live load l r live roof load w wind load s snow load e earthquake load r rainwater load or ice water load.
The dead load on a floor is determined by the materials used in the floor s construction.
However you should consider the weight of the raised floor in the floor loading formula.
For example historically uk office buildings have been designed and marketed with live loadings of 3 5 4 0 kn m2 however this may be an over provision.
Suitable for uk building regulation approval.
Find the column for your dead load and spacing and the row for your timber size to find the permissible clear span in metres.
For example if you have joists spaced 40 cm 16 inches on centre with a span of 4 2 metres 14 feet the load would be 462 kg 1 019 lb per joist.
2attic loads may be included in the floor live load but a 10 psf attic load is typically used only to size ceiling joists adequately for access purposes.
A floor loading assessment is the evaluation of the concrete subfloor not the raised floor.
A typical wood frame floor covered with carpet or vinyl flooring has a dead load of about 8 pounds per square foot.
2 5 kn m2 for floors above ground floor and 3 0 kn m2 at or below ground floor over may be more appropriate with 7 5 kn m2 over 5 of the floor area to allow for future flexibility.
Domestic floor joist calculator.
1 enter joist details 1 1 span and joist spacing.
Floor loading calculations help you make better racking decisions.
However if the attic is intended for storage the attic live load or some portion should also be considered for the design of other elements in the load path.
The example diagram below from the summary section shows a two span continuous beam with a linear distributed patch load and point load.
Load types loads used in design load equations are given letters by type.
Calculations to bs 5268 2 2002.
2 dead load suspended ground floor with no partitions above 0 25 kn m.
