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Structuralaka: wind pressureaka: wind force

Wind Load

In Plain English

The force that wind exerts on a building, which the structure must be strong enough to resist.

Definition

The force exerted on a structure by wind pressure, including positive pressure on windward surfaces and suction on leeward and side surfaces. Wind loads are determined by the design wind speed at the site, exposure category, building height, and the shape of the structure. ASCE 7 provides the standard method for calculating design wind loads in the United States.

Example

The coastal location requires designing the roof for a wind uplift of 45 psf, necessitating additional roof-to-wall connections.

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