Seismic safety

Seismic safety

Terms relating to the constuction of buildings that can withstand earthquakes.

Industry: Construction

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Seismic safety

Displacement design displacement

Construction; Seismic safety

The design earthquake lateral displacement, excluding additional displacement due to actual and accidental torsion, required for design of the isolation system.

Diaphragm, blocked

Construction; Seismic safety

A diaphragm in which all sheathing edges not occurring on a framing member are supported on and fastened to blocking.

Diaphragm

Construction; Seismic safety

A horizontal or nearly horizontal system acting to transfer lateral forces to the vertical resisting elements. Diaphragms are classified as either flexible or rigid.

Designated seismic system

Construction; Seismic safety

Those architectural, electrical, and mechanical systems and their components that require design in accordance with Sec. 6.1 and that have a component importance factor (I ) greater than 1.

Design earthquake

Construction; Seismic safety

Earthquake effects that are two-thirds of the corresponding maximum considered earthquake.

Redundancy

Construction; Seismic safety

Quality of having alternative paths in the structure by which the lateral forces are resisted, allowing the structure to remain stable following the failure of any single element.

Punched metal plate

Construction; Seismic safety

A light steel plate fastening having punched teeth of various shapes and configurations that are pressed into wood members to effect transfer shear. Used with structural lumber assemblies.