Behavior of Scaled Infilled Masonry, Confined Masonry & Reinforced Concrete Structures under Dynamic Excitations

This research investigates the nonlinear behavior of scaled infilled masonry (IFM), confined masonry (CM), and reinforced concrete (RC) structures by utilizing and validating two tests from the literature as benchmarks. The validation was based on a comparison with the pushover results of small-scal...

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Main Authors: Asad Ullah Qazi, Ali Murtaza Rasool, Yasser E. Ibrahim, Asif Hameed, Muhammad Faizan Ali
Format: Article
Language:English
Published: MDPI AG 2022-06-01
Series:Buildings
Subjects:
Online Access:https://www.mdpi.com/2075-5309/12/6/774
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author Asad Ullah Qazi
Ali Murtaza Rasool
Yasser E. Ibrahim
Asif Hameed
Muhammad Faizan Ali
author_facet Asad Ullah Qazi
Ali Murtaza Rasool
Yasser E. Ibrahim
Asif Hameed
Muhammad Faizan Ali
author_sort Asad Ullah Qazi
collection DOAJ
description This research investigates the nonlinear behavior of scaled infilled masonry (IFM), confined masonry (CM), and reinforced concrete (RC) structures by utilizing and validating two tests from the literature as benchmarks. The validation was based on a comparison with the pushover results of small-scaled physical tests and their numerical modeling. Numerical modeling of small-scale (1:4 and 1:3) IFM, CM, and RC models has been carried out with Finite Element Modelling (FEM) and Applied Element Modelling (AEM) techniques using SAP2000 and the Extreme Loading for Structures (ELS) software, respectively. The behavior of the structure under lateral loads and excitations was investigated using nonlinear static (pushover) and nonlinear time history (dynamic) analysis. The evaluation of the pushover analysis results revealed that for IFM, the %age difference of tangent stiffness was 4.2% and 13.5% for FEMA Strut and AEM, respectively, and the %age difference for strength was 31.2% and 2.8% for FEMA Strut and AEM, respectively. Similarly, it was also calculated for other wall types. Dynamic analysis results from FEM and AEM techniques were found in the fairly acceptable range before yield; however, beyond yield, AEM proved more stable. Finally, the results also showed that the numerical study can be utilized for the evaluation of small-scale models before performing the physical test.
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spelling doaj.art-d7600b0b87af4c7da8241c1b94b5db3d2023-11-23T15:53:07ZengMDPI AGBuildings2075-53092022-06-0112677410.3390/buildings12060774Behavior of Scaled Infilled Masonry, Confined Masonry & Reinforced Concrete Structures under Dynamic ExcitationsAsad Ullah Qazi0Ali Murtaza Rasool1Yasser E. Ibrahim2Asif Hameed3Muhammad Faizan Ali4Civil Engineering Department, University of Engineering and Technology, Lahore 54000, PakistanNational Engineering Services Pakistan (NESPAK), Lahore 54000, PakistanEngineering Management Department, Prince Sultan University, Riyadh 11586, Saudi ArabiaCivil Engineering Department, University of Engineering and Technology, Lahore 54000, PakistanANS Associates, Lahore 54000, PakistanThis research investigates the nonlinear behavior of scaled infilled masonry (IFM), confined masonry (CM), and reinforced concrete (RC) structures by utilizing and validating two tests from the literature as benchmarks. The validation was based on a comparison with the pushover results of small-scaled physical tests and their numerical modeling. Numerical modeling of small-scale (1:4 and 1:3) IFM, CM, and RC models has been carried out with Finite Element Modelling (FEM) and Applied Element Modelling (AEM) techniques using SAP2000 and the Extreme Loading for Structures (ELS) software, respectively. The behavior of the structure under lateral loads and excitations was investigated using nonlinear static (pushover) and nonlinear time history (dynamic) analysis. The evaluation of the pushover analysis results revealed that for IFM, the %age difference of tangent stiffness was 4.2% and 13.5% for FEMA Strut and AEM, respectively, and the %age difference for strength was 31.2% and 2.8% for FEMA Strut and AEM, respectively. Similarly, it was also calculated for other wall types. Dynamic analysis results from FEM and AEM techniques were found in the fairly acceptable range before yield; however, beyond yield, AEM proved more stable. Finally, the results also showed that the numerical study can be utilized for the evaluation of small-scale models before performing the physical test.https://www.mdpi.com/2075-5309/12/6/774Finite Element Modelling (FEM)Applied Element Modelling (AEM)scaled structuresinfilled masonry (IFM)confined masonry (CM)reinforced concrete (RC)
spellingShingle Asad Ullah Qazi
Ali Murtaza Rasool
Yasser E. Ibrahim
Asif Hameed
Muhammad Faizan Ali
Behavior of Scaled Infilled Masonry, Confined Masonry & Reinforced Concrete Structures under Dynamic Excitations
Buildings
Finite Element Modelling (FEM)
Applied Element Modelling (AEM)
scaled structures
infilled masonry (IFM)
confined masonry (CM)
reinforced concrete (RC)
title Behavior of Scaled Infilled Masonry, Confined Masonry & Reinforced Concrete Structures under Dynamic Excitations
title_full Behavior of Scaled Infilled Masonry, Confined Masonry & Reinforced Concrete Structures under Dynamic Excitations
title_fullStr Behavior of Scaled Infilled Masonry, Confined Masonry & Reinforced Concrete Structures under Dynamic Excitations
title_full_unstemmed Behavior of Scaled Infilled Masonry, Confined Masonry & Reinforced Concrete Structures under Dynamic Excitations
title_short Behavior of Scaled Infilled Masonry, Confined Masonry & Reinforced Concrete Structures under Dynamic Excitations
title_sort behavior of scaled infilled masonry confined masonry reinforced concrete structures under dynamic excitations
topic Finite Element Modelling (FEM)
Applied Element Modelling (AEM)
scaled structures
infilled masonry (IFM)
confined masonry (CM)
reinforced concrete (RC)
url https://www.mdpi.com/2075-5309/12/6/774
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