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Anti-Blast Performance of Polyurea-Coated Concrete Arch Structures
With the increasing number of violent terrorist attacks around the world, it is quite a common to improve the anti-blast performance of structures by reinforcing the exterior of the structure. In order to explore the dynamic performance of polyurea reinforced concrete arch structures, a three-dimens...
Autores principales: | , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2023
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10007497/ https://www.ncbi.nlm.nih.gov/pubmed/36904503 http://dx.doi.org/10.3390/polym15051263 |
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author | Yue, Zhengyuan Zhou, Jiannan Kong, Xinli Xu, Ying Chen, Yishun Wang, Bo Huang, Yimiao Wang, Peng |
author_facet | Yue, Zhengyuan Zhou, Jiannan Kong, Xinli Xu, Ying Chen, Yishun Wang, Bo Huang, Yimiao Wang, Peng |
author_sort | Yue, Zhengyuan |
collection | PubMed |
description | With the increasing number of violent terrorist attacks around the world, it is quite a common to improve the anti-blast performance of structures by reinforcing the exterior of the structure. In order to explore the dynamic performance of polyurea reinforced concrete arch structures, a three-dimensional finite element model was established by LS-DYNA software in this paper. Under the condition of ensuring the validity of the simulation model, the dynamic response of the arch structure under the blast load is investigated. Deflection and vibration of the structure under different reinforcement models are discussed. The optimum thickness of reinforcement (approximately 5 mm) and the strengthening method for the model were found by deformation analysis. The vibration analysis shows that the vibration damping effect of the sandwich arch structure is relatively excellent, but increasing the thickness and number of layers of the polyurea does not necessarily achieve a better vibration damping function for the structure. By reasonable design of the polyurea reinforcement layer and concrete arch structure, a protective structure with excellent performance of anti-blast and vibration damping can be created. Polyurea can be used as a new form of reinforcement in practical applications. |
format | Online Article Text |
id | pubmed-10007497 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2023 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-100074972023-03-12 Anti-Blast Performance of Polyurea-Coated Concrete Arch Structures Yue, Zhengyuan Zhou, Jiannan Kong, Xinli Xu, Ying Chen, Yishun Wang, Bo Huang, Yimiao Wang, Peng Polymers (Basel) Article With the increasing number of violent terrorist attacks around the world, it is quite a common to improve the anti-blast performance of structures by reinforcing the exterior of the structure. In order to explore the dynamic performance of polyurea reinforced concrete arch structures, a three-dimensional finite element model was established by LS-DYNA software in this paper. Under the condition of ensuring the validity of the simulation model, the dynamic response of the arch structure under the blast load is investigated. Deflection and vibration of the structure under different reinforcement models are discussed. The optimum thickness of reinforcement (approximately 5 mm) and the strengthening method for the model were found by deformation analysis. The vibration analysis shows that the vibration damping effect of the sandwich arch structure is relatively excellent, but increasing the thickness and number of layers of the polyurea does not necessarily achieve a better vibration damping function for the structure. By reasonable design of the polyurea reinforcement layer and concrete arch structure, a protective structure with excellent performance of anti-blast and vibration damping can be created. Polyurea can be used as a new form of reinforcement in practical applications. MDPI 2023-03-02 /pmc/articles/PMC10007497/ /pubmed/36904503 http://dx.doi.org/10.3390/polym15051263 Text en © 2023 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Yue, Zhengyuan Zhou, Jiannan Kong, Xinli Xu, Ying Chen, Yishun Wang, Bo Huang, Yimiao Wang, Peng Anti-Blast Performance of Polyurea-Coated Concrete Arch Structures |
title | Anti-Blast Performance of Polyurea-Coated Concrete Arch Structures |
title_full | Anti-Blast Performance of Polyurea-Coated Concrete Arch Structures |
title_fullStr | Anti-Blast Performance of Polyurea-Coated Concrete Arch Structures |
title_full_unstemmed | Anti-Blast Performance of Polyurea-Coated Concrete Arch Structures |
title_short | Anti-Blast Performance of Polyurea-Coated Concrete Arch Structures |
title_sort | anti-blast performance of polyurea-coated concrete arch structures |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10007497/ https://www.ncbi.nlm.nih.gov/pubmed/36904503 http://dx.doi.org/10.3390/polym15051263 |
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