System identification of timber masonry walls using shaking table test. Roy, T. B., Guerreiro, L., & Bagchi, A. In volume 10170, pages Fiberguide Industries; Frontiers Media; OZ Optics, Ltd.; Polytec, Inc.; The Society of Photo-Optical Instrumentation Engineers (SPIE) - , Portland, OR, United states, 2017. Characterization of structure;Dynamic characteristics;Frequency domain decomposition;Modal parameters;Repair and rehabilitations;Shaking table experiment;Stochastic subspace identification;Time-domain decomposition;![System identification of timber masonry walls using shaking table test [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper abstract bibtex Dynamic study is important in order to design, repair and rehabilitation of structures. It has played an important role in the behavior characterization of structures; such as: bridges, dams, high rise buildings etc. There had been substantial development in this area over the last few decades, especially in the field of dynamic identification techniques of structural systems. Frequency Domain Decomposition (FDD) and Time Domain Decomposition are most commonly used methods to identify modal parameters; such as: natural frequency, modal damping and mode shape. The focus of the present research is to study the dynamic characteristics of typical timber masonry walls commonly used in Portugal. For that purpose, a multi-storey structural prototype of such wall has been tested on a seismic shake table at the National Laboratory for Civil Engineering, Portugal (LNEC). Signal processing has been performed of the output response, which is collected from the shaking table experiment of the prototype using accelerometers. In the present work signal processing of the output response, based on the input response has been done in two ways: FDD and Stochastic Subspace Identification (SSI). In order to estimate the values of the modal parameters, algorithms for FDD are formulated and parametric functions for the SSI are computed. Finally, estimated values from both the methods are compared to measure the accuracy of both the techniques.
© 2017 SPIE.
@inproceedings{20172503801406 ,
language = {English},
copyright = {Compilation and indexing terms, Copyright 2023 Elsevier Inc.},
copyright = {Compendex},
title = {System identification of timber masonry walls using shaking table test},
journal = {Proceedings of SPIE - The International Society for Optical Engineering},
author = {Roy, Timir B. and Guerreiro, Luis and Bagchi, Ashutosh},
volume = {10170},
year = {2017},
pages = {Fiberguide Industries; Frontiers Media; OZ Optics, Ltd.; Polytec, Inc.; The Society of Photo-Optical Instrumentation Engineers (SPIE) - },
issn = {0277786X},
address = {Portland, OR, United states},
abstract = {Dynamic study is important in order to design, repair and rehabilitation of structures. It has played an important role in the behavior characterization of structures; such as: bridges, dams, high rise buildings etc. There had been substantial development in this area over the last few decades, especially in the field of dynamic identification techniques of structural systems. Frequency Domain Decomposition (FDD) and Time Domain Decomposition are most commonly used methods to identify modal parameters; such as: natural frequency, modal damping and mode shape. The focus of the present research is to study the dynamic characteristics of typical timber masonry walls commonly used in Portugal. For that purpose, a multi-storey structural prototype of such wall has been tested on a seismic shake table at the National Laboratory for Civil Engineering, Portugal (LNEC). Signal processing has been performed of the output response, which is collected from the shaking table experiment of the prototype using accelerometers. In the present work signal processing of the output response, based on the input response has been done in two ways: FDD and Stochastic Subspace Identification (SSI). In order to estimate the values of the modal parameters, algorithms for FDD are formulated and parametric functions for the SSI are computed. Finally, estimated values from both the methods are compared to measure the accuracy of both the techniques.<br/> © 2017 SPIE.},
key = {Timber},
keywords = {Masonry construction;Stochastic systems;Domain decomposition methods;Frequency domain analysis;Parameter estimation;Signal processing;Masonry materials;Tall buildings;Modal analysis;Walls (structural partitions);},
note = {Characterization of structure;Dynamic characteristics;Frequency domain decomposition;Modal parameters;Repair and rehabilitations;Shaking table experiment;Stochastic subspace identification;Time-domain decomposition;},
URL = {http://dx.doi.org/10.1117/12.2260293},
}
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