drift limitation

drift index

1. The ratio of the lateral deflection of a building to its height.
2. The ratio of the lateral deflection of a story of a building to the height per story.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
And the PV module is in accordance with the shear wall within the plastic drift limitation in Chinese seismic code.