20 Terms
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Seismic safety
Terms relating to the constuction of buildings that can withstand earthquakes.
Industry: Construction
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Seismic safety
total design displacement
Construction; Seismic safety
The design earthquake lateral displacement, including additional displacement due to actual and accidental torsion, required for design of the isolation system or an element thereof.
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 chord
Construction; Seismic safety
A diaphragm boundary element perpendicular to the applied load that is assumed to take axial stresses due to the diaphragm moment in a manner analogous to the flanges of a beam. Also applies to shear ...
diaphragm boundary
Construction; Seismic safety
A location where shear is transferred into or out of the diaphragm sheathing. Transfer is either to a boundary element or to another force-resisting element.
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.
