Parametric Study of Non-Load-Bearing Sandwich Wall Panels for Blast Mitigation
Publication: Journal of Performance of Constructed Facilities
Volume 36, Issue 1
Abstract
Sandwich wall systems provide resistance over a large deformation range, making them useful for blast resistance. This paper analyzed three sandwich panel systems: walls with symmetric concrete layers (SW), unsymmetric concrete layers (NSW), and symmetric concrete layers with prestressed reinforcement (PSW). Nonlinear three-dimensional (3D), finite-element (FE) modeling, and single degree of freedom (SDOF) analysis were performed to analyze the static and dynamic response of these wall systems. The numerical models showed good correlation with the experimental results. A parametric study was performed to investigate the effect of several parameters such as concrete compressive strength, symmetric and asymmetric steel reinforcement, tie-connector type, and pretension force value. It was found that asymmetric reinforcement has approximately the same action as symmetric reinforcement, and increasing the compressive strength did not increase significantly the blast resistance of the panel. Moreover, glass fiber–reinforced polymer (GFRP) pins provided the maximum composite action and blast resistance of the different tie-connector types investigated.
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Data Availability Statement
All data, models, and code generated or used during the study appear in the published article.
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Published In
Journal of Performance of Constructed Facilities
Volume 36 • Issue 1 • February 2022
Copyright
© 2021 American Society of Civil Engineers.
History
Received: Apr 30, 2021
Accepted: Sep 16, 2021
Published online: Oct 29, 2021
Published in print: Feb 1, 2022
Discussion open until: Mar 29, 2022
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