Combined Elastic and Limit Analysis for Seismic Vulnerability Assessment of Pitched Portal Frames
This paper presents a combined approach for the seismic vulnerability assessment of pitched portal frames by coupling elastic and limit analysis. Pitched portal frames are widely adopted both in civil and industrial building structures, as well as in architectural heritage structures, including cath...
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| Format: | Article |
| Language: | English |
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MDPI AG
2024-12-01
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| Series: | Buildings |
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| Online Access: | https://www.mdpi.com/2075-5309/15/1/96 |
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| author | Marco Postiglione Fabio De Angelis Giuseppe Brandonisio |
| author_facet | Marco Postiglione Fabio De Angelis Giuseppe Brandonisio |
| author_sort | Marco Postiglione |
| collection | DOAJ |
| description | This paper presents a combined approach for the seismic vulnerability assessment of pitched portal frames by coupling elastic and limit analysis. Pitched portal frames are widely adopted both in civil and industrial building structures, as well as in architectural heritage structures, including cathedral portal frames in ecclesiastical buildings. The seismic vulnerability assessment of such structures is crucial for mitigating territorial seismic risk. In this study, elastic and limit analyses are adopted and combined to evaluate the seismic capacity of pitched portal frames. To this end, a simplified model is proposed to analyze both linear and non-linear responses of these structures under horizontal actions. Although the analysis focuses on two-dimensional (2D) portal frames, it can be extended to three-dimensional (3D) buildings in a straightforward manner due to the specific characteristics of the analyzed structural scheme. The proposed approach provides a preliminary yet efficient evaluation of the seismic vulnerability of buildings with pitched portal frames. Furthermore, the effectiveness of the proposed procedure ensures valuable applicability in large-scale seismic assessments. |
| format | Article |
| id | doaj-art-6b65c3945a37417e9b0ae29daee3ec2a |
| institution | Kabale University |
| issn | 2075-5309 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Buildings |
| spelling | doaj-art-6b65c3945a37417e9b0ae29daee3ec2a2025-01-10T13:16:01ZengMDPI AGBuildings2075-53092024-12-011519610.3390/buildings15010096Combined Elastic and Limit Analysis for Seismic Vulnerability Assessment of Pitched Portal FramesMarco Postiglione0Fabio De Angelis1Giuseppe Brandonisio2Department of Structures for Engineering and Architecture, University of Naples Federico II, 80125 Naples, ItalyDepartment of Structures for Engineering and Architecture, University of Naples Federico II, 80125 Naples, ItalyDepartment of Structures for Engineering and Architecture, University of Naples Federico II, 80125 Naples, ItalyThis paper presents a combined approach for the seismic vulnerability assessment of pitched portal frames by coupling elastic and limit analysis. Pitched portal frames are widely adopted both in civil and industrial building structures, as well as in architectural heritage structures, including cathedral portal frames in ecclesiastical buildings. The seismic vulnerability assessment of such structures is crucial for mitigating territorial seismic risk. In this study, elastic and limit analyses are adopted and combined to evaluate the seismic capacity of pitched portal frames. To this end, a simplified model is proposed to analyze both linear and non-linear responses of these structures under horizontal actions. Although the analysis focuses on two-dimensional (2D) portal frames, it can be extended to three-dimensional (3D) buildings in a straightforward manner due to the specific characteristics of the analyzed structural scheme. The proposed approach provides a preliminary yet efficient evaluation of the seismic vulnerability of buildings with pitched portal frames. Furthermore, the effectiveness of the proposed procedure ensures valuable applicability in large-scale seismic assessments.https://www.mdpi.com/2075-5309/15/1/96pitched portal framesseismic vulnerability assessmentlimit analysiselastic analysis |
| spellingShingle | Marco Postiglione Fabio De Angelis Giuseppe Brandonisio Combined Elastic and Limit Analysis for Seismic Vulnerability Assessment of Pitched Portal Frames Buildings pitched portal frames seismic vulnerability assessment limit analysis elastic analysis |
| title | Combined Elastic and Limit Analysis for Seismic Vulnerability Assessment of Pitched Portal Frames |
| title_full | Combined Elastic and Limit Analysis for Seismic Vulnerability Assessment of Pitched Portal Frames |
| title_fullStr | Combined Elastic and Limit Analysis for Seismic Vulnerability Assessment of Pitched Portal Frames |
| title_full_unstemmed | Combined Elastic and Limit Analysis for Seismic Vulnerability Assessment of Pitched Portal Frames |
| title_short | Combined Elastic and Limit Analysis for Seismic Vulnerability Assessment of Pitched Portal Frames |
| title_sort | combined elastic and limit analysis for seismic vulnerability assessment of pitched portal frames |
| topic | pitched portal frames seismic vulnerability assessment limit analysis elastic analysis |
| url | https://www.mdpi.com/2075-5309/15/1/96 |
| work_keys_str_mv | AT marcopostiglione combinedelasticandlimitanalysisforseismicvulnerabilityassessmentofpitchedportalframes AT fabiodeangelis combinedelasticandlimitanalysisforseismicvulnerabilityassessmentofpitchedportalframes AT giuseppebrandonisio combinedelasticandlimitanalysisforseismicvulnerabilityassessmentofpitchedportalframes |