Nonlinear static vs. Incremental dynamic analysis of infilled frames with open first floor

Masonry infill, as a part of building structures, is characterised with significant in-plane strength and stiffness and it can greatly alter the response of structures exposed to seismic loads. Irregular distribution of infill in plane and along building height can lead to series of unfavourable eff...

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Main Authors: Todorov Koce, Lazarov Ljupco
Format: Article
Language:English
Published: Society for Materials and Structures testing of Serbia 2018-01-01
Series:Građevinski Materijali i Konstrukcije
Subjects:
Online Access:https://scindeks-clanci.ceon.rs/data/pdf/2217-8139/2018/2217-81391804003T.pdf
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author Todorov Koce
Lazarov Ljupco
author_facet Todorov Koce
Lazarov Ljupco
author_sort Todorov Koce
collection DOAJ
description Masonry infill, as a part of building structures, is characterised with significant in-plane strength and stiffness and it can greatly alter the response of structures exposed to seismic loads. Irregular distribution of infill in plane and along building height can lead to series of unfavourable effects (torsion effects, dangerous collapse mechanisms, soft or weak storey, variations in the vibration period, etc.). In order to investigate the influence of irregular distribution of masonry infill to the seismic performance of code designed reinforced concrete frames, an extensive nonlinear static and dynamic analysis was performed. Six reinforced concrete frames with different number of storeys, designed as bare frames were analysed. In the phase of assessment, all structures were upgraded with the masonry infill panels in all storeys except the first one. Masonry infill was defined with two different strength and stiffness characteristics. The obtained results show significant influence of masonry infill on the main structural characteristics: strength, stiffness and ductility, as well as on the seismic performance of analysed frames.
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spelling doaj.art-2c5b4a5ff02d47ef8bd443c8c7bf43932022-12-22T00:48:19ZengSociety for Materials and Structures testing of SerbiaGrađevinski Materijali i Konstrukcije2217-81392335-02292018-01-016143212217-81391804003TNonlinear static vs. Incremental dynamic analysis of infilled frames with open first floorTodorov Koce0Lazarov Ljupco1Ss. Cyril and Methodius University in Skopje, Faculty of Civil Engineering, Skopje, Republic of MacedoniaSs. Cyril and Methodius University in Skopje, Faculty of Civil Engineering, Skopje, Republic of MacedoniaMasonry infill, as a part of building structures, is characterised with significant in-plane strength and stiffness and it can greatly alter the response of structures exposed to seismic loads. Irregular distribution of infill in plane and along building height can lead to series of unfavourable effects (torsion effects, dangerous collapse mechanisms, soft or weak storey, variations in the vibration period, etc.). In order to investigate the influence of irregular distribution of masonry infill to the seismic performance of code designed reinforced concrete frames, an extensive nonlinear static and dynamic analysis was performed. Six reinforced concrete frames with different number of storeys, designed as bare frames were analysed. In the phase of assessment, all structures were upgraded with the masonry infill panels in all storeys except the first one. Masonry infill was defined with two different strength and stiffness characteristics. The obtained results show significant influence of masonry infill on the main structural characteristics: strength, stiffness and ductility, as well as on the seismic performance of analysed frames.https://scindeks-clanci.ceon.rs/data/pdf/2217-8139/2018/2217-81391804003T.pdfnonlinear staticincremental dynamicmasonry infillopen ground floor
spellingShingle Todorov Koce
Lazarov Ljupco
Nonlinear static vs. Incremental dynamic analysis of infilled frames with open first floor
Građevinski Materijali i Konstrukcije
nonlinear static
incremental dynamic
masonry infill
open ground floor
title Nonlinear static vs. Incremental dynamic analysis of infilled frames with open first floor
title_full Nonlinear static vs. Incremental dynamic analysis of infilled frames with open first floor
title_fullStr Nonlinear static vs. Incremental dynamic analysis of infilled frames with open first floor
title_full_unstemmed Nonlinear static vs. Incremental dynamic analysis of infilled frames with open first floor
title_short Nonlinear static vs. Incremental dynamic analysis of infilled frames with open first floor
title_sort nonlinear static vs incremental dynamic analysis of infilled frames with open first floor
topic nonlinear static
incremental dynamic
masonry infill
open ground floor
url https://scindeks-clanci.ceon.rs/data/pdf/2217-8139/2018/2217-81391804003T.pdf
work_keys_str_mv AT todorovkoce nonlinearstaticvsincrementaldynamicanalysisofinfilledframeswithopenfirstfloor
AT lazarovljupco nonlinearstaticvsincrementaldynamicanalysisofinfilledframeswithopenfirstfloor