Floor Loading Standards Residential
However if the attic is intended for storage the attic live load or some portion should also be considered for the design of.
Floor loading standards residential. Total dead loads 6 2 2 8 1 0 10 0 psf live load 20 psf. Loads should be determined in accordance with this chapter. In the case of a residential structure this minimum standard live load factor for main living areas is 40lb ft2 1 9 kpa. D dead load l live load l r live roof load w wind load.
Different design methods are used but they typically defined the load cases or combination stress or strength limits and deflection limits. 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. The dead load on a floor is determined by the materials used in the floor s construction. May be less depending on roof slope.
For the bottom floor of a single story residence no basement. If the floor trusses support load bearing walls that carry upper level floor and or roof. 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. They are legally backed by the engineering profession.
A typical wood frame floor covered with carpet or vinyl flooring has a dead load of about 8 pounds per square foot. Dead loads cont d typical weights of horizontal systems roof construction asphalt shingles 15 psf pounds per sq. Load types loads used in design load equations are given letters by type.