Implementing Relative Deflection of Adjacent Blocks in Model Calibration of Masonry Arch Bridges
Publication: Journal of Performance of Constructed Facilities
Volume 32, Issue 4
Abstract
A new idea for model updating of masonry arch bridges is presented, which employs relative displacement of adjacent masonry blocks (RDAMB). Applicability and accuracy of the proposed method is proved by a case study. The proposed method is of specific interest for bridges with tall piers, or those located in regions with harsh environments, since it is rather difficult to record the vertical deflection of such bridges with common deflection meters. It is proposed, in such cases, to use RDAMB instead of the vertical deflection of midspans and use it for the purpose of model verification. Proposed instrumentation also offers significant cost reduction while preserving data quality. Applicability of RDAMB for calibration of the finite-element model of the bridge is also investigated and compared to common methods.
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Acknowledgments
This work was supported by the Iranian railway organization with the industrial cooperation office of Iran University of science and technology (Grant No. 94-15388).
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Published In
Journal of Performance of Constructed Facilities
Volume 32 • Issue 4 • August 2018
Copyright
©2018 American Society of Civil Engineers.
History
Received: Jul 25, 2017
Accepted: Dec 8, 2017
Published online: Apr 28, 2018
Published in print: Aug 1, 2018
Discussion open until: Sep 28, 2018
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