Design, Application, and Performance Assessment of Thin-Walled Structures in Earthquake Engineering

A special issue of Buildings (ISSN 2075-5309). This special issue belongs to the section "Building Structures".

Deadline for manuscript submissions: 20 September 2024 | Viewed by 740

Special Issue Editors


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Guest Editor
Department of Civil Engineering and Construction Management, California State University, Northridge, CA 91330, USA
Interests: structural and earthquake engineering; thin-walled structures; innovative materials

E-Mail Website
Guest Editor
Department of Civil Engineering and Construction Management, California State University, Northridge, CA 91330, USA
Interests: structural engineering and dynamics; composite materials; engineering education

Special Issue Information

Dear Colleagues,

On account of their advantages such as high stiffness, light weight, and proper energy dissipation characteristics, thin-walled structures have been increasingly and extensively used in several branches of engineering as structural members and energy absorbers. Such structures seek to maximize structural efficiency and sustainability by minimizing the material consumed. Their diverse areas of application range from aircrafts, bridges and ships to industrial and residential buildings, as well as including buried structures such as tanks, culverts and many others. Thin-walled structures are considerably prone to loss of stability under the buckling failure mode. The structural behavior and stability response of thin-walled structures have been widely studied under monotonic loading conditions, while the performance assessments under dynamic actions seem to be rather limited and unsystematic. This Special Issue aims to bridge this gap by providing an international forum that can be utilised by researchers to present and share their latest research advances and findings on the design, application, and performance assessment of thin-walled structures within the framework of earthquake engineering. Original and high-quality contributions are welcome.

Dr. Tadeh Zirakian
Dr. David M. Boyajian
Guest Editors

Manuscript Submission Information

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Keywords

  • thin-walled structures
  • dynamic actions
  • stability reponse
  • design and application
  • performance assessment
  • earthquake engineering

Published Papers (1 paper)

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Research

16 pages, 1327 KiB  
Article
Imperfection Sensitivity Detection in Pultruded Columns Using Machine Learning and Synthetic Data
by Michail Tzimas and Ever J. Barbero
Buildings 2024, 14(4), 1128; https://doi.org/10.3390/buildings14041128 - 17 Apr 2024
Viewed by 326
Abstract
Experimental and theoretical solutions have shown that imperfections in wide-flanged structural columns may reduce the failure load of the column by as much as 30% with respect to that of a perfect column. Therefore, the early detection and prevention of such imperfections, which [...] Read more.
Experimental and theoretical solutions have shown that imperfections in wide-flanged structural columns may reduce the failure load of the column by as much as 30% with respect to that of a perfect column. Therefore, the early detection and prevention of such imperfections, which would likely reduce the load capacity of a structure, are critical for avoiding catastrophic failure. In the present article, we show how machine learning may be used to detect imperfection sensitivity in pultruded columns using observable column deformations occurring at loads as low as 30% of the design load. Abaqus simulations were used to capture the behavior of such columns of various lengths under service load. The deformations found from the simulations were used to train the machine learning algorithm. Similar deformations could be easily collected from in-service columns using inexpensive instrumentation. With over 3000 test cases, 95% accuracy in the correct detection of imperfection sensitivity was found. We anticipate that the proposed machine learning pipeline will enhance structural health monitoring, providing timely warning for potentially compromised structures. Full article
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