Floor structure options for first floors.
Floor slab thickness uk.
Minimum thickness of concrete slab beam column foundation and other structural members is selected to meet the design requirements as per standard codes.
Concrete slab calculator for slabs floors footings and cylinders.
Two way spanning slabs may be used for higher loads and longer spans.
You could also pour a 100mm slab if you wanted.
As span and load increase so does the slab thickness.
Minimum thickness of concrete structural elements based on aci 318 14 irc 2009 is 456 2000 and ubc 1997 is presented.
Kiln dried softwood joists typically span up to about 4 5m between structural walls or steel beams.
Standard floor joists are usually 2 by 10 or 2 by 12 dimensional boards installed on edge.
The timber floor joists should be sized correctly depending on their span length between supports and are normally laid across the shortest span from wall to wall with a gap underneath.
It will be typically reinforced either by rebar or steel fibres.
The actual width of those boards however isn t identical to what their name implies.
Just remember to add some extra concrete to your total order because running short is not an option.
Timber floors may largely be a thing of the past downstairs but they still enjoy a virtual monopoly upstairs.
A solid concrete floor slab can be used to act as a membrane supported on columns without beams.
This is a terrific concrete slab calculator for estimating how many cubic yards to order to complete your concrete slabs concrete floors concrete walls and concrete footings.
The term floor slab usually refers to a floor that has been formed using concrete and generally steel reinforcement and may form part of the structure of a building.
Typically a project specification will reference aci 301 specifications for structural concrete which in turn references aci 117 specifications for tolerances for concrete construction and materials.
The floor joists comprise the bulk of the floor thickness.
Would be much cheaper than radiators and gives the added possibility of solar heating.
Slab thickness tolerances has long been a point of contention between contractors and specifiers.
Design process includes proper assumption of structural element sizes and then check.
Insulation will need to be added below the slab in this instance.
This can prove more economic than hollow block construction in low rise buildings up to four storeys high.
An intermediate wall with a small foundation may be needed to reduce the span and keep the thickness of the floor joists to a minimum.
Hope that helps gareth.
The floors are suspended concrete and an inspection by an engineer recently when the foundations were exposed revealed that the suspended concrete floor under my flat was between 27 to 30cm and showed a surface crack and eventual chip in the surface of the slab.
Just goto travis perkins and ask them for slab expansion strips.
Floor slab designing buildings wiki share your construction industry knowledge.
I would also suggest wet under floor heating if your looking to heat the place.
A 2 by 10 joist is really only 9 1 4 inches wide and a 2 by 12 is only 11 1 4 inches wide so depending upon.
