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.
Floor slab thickness uk.
Standard floor joists are usually 2 by 10 or 2 by 12 dimensional boards installed on edge.
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.
Can t remember the exact name of them.
Two way spanning slabs may be used for higher loads and longer spans.
Minimum thickness of concrete slab beam column foundation and other structural members is selected to meet the design requirements as per standard codes.
Just goto travis perkins and ask them for slab expansion strips.
Concrete slab calculator for slabs floors footings and cylinders.
Just remember to add some extra concrete to your total order because running short is not an option.
His inspection showed that the other flats had a concrete slab of 35 5 to 40 5cm.
A solid concrete floor slab can be used to act as a membrane supported on columns without beams.
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.
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.
Timber floors may largely be a thing of the past downstairs but they still enjoy a virtual monopoly upstairs.
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.
Slab thickness tolerances has long been a point of contention between contractors and specifiers.
You could also pour a 100mm slab if you wanted.
The actual width of those boards however isn t identical to what their name implies.
Design process includes proper assumption of structural element sizes and then check.
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.
I would also suggest wet under floor heating if your looking to heat the place.
Would be much cheaper than radiators and gives the added possibility of solar heating.
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.
Kiln dried softwood joists typically span up to about 4 5m between structural walls or steel 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.
This can prove more economic than hollow block construction in low rise buildings up to four storeys high.
It will be typically reinforced either by rebar or steel fibres.
Floor slab designing buildings wiki share your construction industry knowledge.
Floor structure options for first floors.
