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Seismic Base Shear Determination

Seismic Base Shear Determination

(OP)
Do we have to include the utility vehicle load on a garage ramp as a live load when calculating the effective seismic weight of this structure to determine the seismic base shear? Any help will be greatly appreciated.

RE: Seismic Base Shear Determination

Typically, vehicle loads are not included in the effective seismic weight. If you are in the USA, see ASCE 7-10 section 12.7.2

RE: Seismic Base Shear Determination

Live load is not included in seismic mass unless you are in a storage area where many codes require some percentage of the storage as mass.

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