Novel Method for Interstory Drift Measurement of Building Frames Using Laser-Displacement Sensors
Publication: Journal of Structural Engineering
Volume 142, Issue 6
Abstract
Interstory drift measurement is a critical parameter for determining earthquake damages in civil engineering structures. It can be measured using global positioning systems (GPS), accelerometers, LVDTs, and so forth. Each of these methods has limitations in terms of accuracy, cost, installation, and so on. In this study, a novel, laser-based in situ interstory drift measurement setup is proposed and tested on a shake table on which the laser sensors were mounted in the frame to measure interstory drift without any reference frame. The in situ measurements are compared with measurements from reference lasers, which are mounted on a frame separate from the structure.
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Acknowledgments
The financial contributions of Natural Sciences and Engineering Research Council of Canada (NSERC) through Discovery Grants were critical for conducting this research. The authors wish to thank the support provided by the technical staffs at the University of British Columbia’s Okanagan Campus.
References
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© 2016 American Society of Civil Engineers.
History
Received: Aug 29, 2014
Accepted: Nov 3, 2015
Published online: Jan 25, 2016
Published in print: Jun 1, 2016
Discussion open until: Jun 25, 2016
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