Live loads are gravity loads that can vary in magnitude and position. Which of t

Question

Live loads are gravity loads that can vary in magnitude and position. Which of the following are examples of live loads? Check all that apply. O Weight of the building facade O People Vehicles Furniture O Weight of the floor framing he basic uniform floor live load for a residential building is:" O 60 psf O 40 pdf O 30 pdf O50 psf 100 psf The basic roof live load is 20 psf The basic roof live load can be reduced based on which of the following? Check all that apply. O Weight of the roof O Slope of the roof Occupancy category of the building O Tributary area of a roof member O Use of the building

Explanation / Answer

Live Load-

1.People- in any type of structure whather it is a residential building or bridge, people will always move from one point to another point.

2.Vehicle- over the bridges, vehicles alwas moves from one end of the bridge to another end.

3. Furniture- this load is also dynamic in nature.position of furnitures are changes from time to time.

In USA, building codes specify a uniform live loed of 40 pounds per square feet (40 psf) for most of the resedential floor designs.

The building codes allow for a roof live load reduction for tributary area and roof slope.

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