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Strength and Stability of Floors in Buildings

Strength and Stability of Floors in Buildings

Floors in buildings provide strong level surface to support occupants , furniture , and other equipment.

Floor strength depends on the properties of material such as timber , reinforce concrete , and steel that are employed to construct the structure of the floor. The strength of floor structure should be adequate to carry dead load of the floor , finishes , fixtures , partitions , services and expected imposed loads of occupants.
Reinforced concrete floor , which might be used for providing strength and fire resistance , will be suitable option to employ for cases where spans are long and imposed loads are large whereas timber floors for domestic buildings might be adequate.
With regard to stability of floors , the stiffness of floor should be enough to make the floor stay stable and level under its self-weight and expected dead and live loads. Furthermore , the floors need to support and accommodate ventilation , water , electrical , heating services without causing detrimental effect on the stability of the floor.
The deflection of the floor must be adequately restricted and kept small to prevent cracking of rigid finishing.


Finally , Basement and solid ground floors stability are based on properties of concrete under them. For small domestic building concrete without reinforcement might be enough but for large loads like heavy equipment or machinery reinforced concrete slab is needed.
Additionally , suspension reinforced concrete slabs are necessary on shrinkable soil against soil differential contraction of expansion , specifically in situations where deep rooted trees are close to the site.

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