Second Floor Slab Thickness
Second floor slab preparation you concrete slab floor for second greenhouse cr4 discussion concrete slab an overview sciencedirect topics concrete floor slab diagnostic faqs 2 concrete floor slab diagnostic faqs 2 minimum thickness of concrete slab beam column foundation the.
Second floor slab thickness. 7 16 15 32 and 1 2 inch thick panels require joists spaced 16 inches on center. Because slabs are the most expensive part of the building you will most likely never see them exceed this number as an engineer i will always design my slabs to be 6 inches thick and then supply extra support through the use of t beams as needed. In the us the minimum slab thickness for an elevated slab is 6 inches and it is directly applicable to fire code.
For the foundation the minimum thickness must be 204mm or 8 inches which may further go upto the dependency of the construction. The specification for the floor of a maintenance building called for a 6 inch slab thickness and concrete with a design compressive strength of 3000 psi. The thicknesses are as follows.
However with proper planning and access to quality materials your second story can be fitted with a modern polished concrete floor. 19 32 and 5 8 inch thick panels require joists spaced 20 inches on center. Answered june 27 2018.
The same floor if framed with 2 by 12s will be 13 1 4 inches thick. Allow another 1 to 2 inches for the combined thickness of the finish materials on the ceiling usually drywall and the floor such as carpet and pad hardwood or vinyl and underlayment. Pouring a concrete floor especially on the second story is no job for a newbie.
The actual average cylinder strength for the floor concrete was 3630 psi. 1 3 minimum thickness of slab on the ground ubc recommends minimum thickness of concrete floor slabs supported directly on the ground to be 89mm whereas bcgbc4010a apply structural principles to residential low rise constructions determined minimum thickness to be 100mm. Four months after the floor was placed 10 cores were drilled measured and tested in compression.
This will not be as much of an issue if your house is still in the planning phase just make sure you tell the architect or designer that you plan on installing concrete floors. Slab on ground 1 4 minimum thickness of diaphragms. If you plan on having a large area of concrete floors on the second story it is likely that they will need to be reinforced in order to support the additional weight.