Study of the Seismic Response on the Infill Masonry Walls of a 15-Storey Reinforced Concrete Structure in Nepal

Following the strong earthquake on April 25, 2015 in Nepal, a team from the University of Porto, in collaboration with other international institutions, made a field study on some of the most affected areas in the capital region of Kathmandu. One of the tasks was the study of a high-rise settle of b...

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Main Authors: André Furtado, Nelson Vila-Pouca, Humberto Varum, António Arêde
Format: Article
Language:English
Published: MDPI AG 2019-02-01
Series:Buildings
Subjects:
Online Access:https://www.mdpi.com/2075-5309/9/2/39
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author André Furtado
Nelson Vila-Pouca
Humberto Varum
António Arêde
author_facet André Furtado
Nelson Vila-Pouca
Humberto Varum
António Arêde
author_sort André Furtado
collection DOAJ
description Following the strong earthquake on April 25, 2015 in Nepal, a team from the University of Porto, in collaboration with other international institutions, made a field study on some of the most affected areas in the capital region of Kathmandu. One of the tasks was the study of a high-rise settle of buildings that were damaged following the earthquake sequence. A survey damage assessment was performed to a 15-storey infilled reinforced concrete structure, which will be detailed in the manuscript. Moreover, ambient vibration tests were carried out to determine the natural frequencies and corresponding vibration modes of the structure. The main aim of this manuscript is to present a numerical study concerning the influence of the masonry infill walls in the structure seismic response. For this, three numerical models were built discriminating the situations with and without damage and nondamaged infill walls. Validation and calibration of the numerical model was ensured by comparing the numerical frequencies with those obtained from ambient vibration tests. In addition, linear elastic analyses were carried out, using real accelerograms from the Gorkha earthquake to assess and quantify the major differences between the models in terms of inter-storey drifts ratios, inter-storey shear forces and seismic loadings.
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spelling doaj.art-34fdb0e7a8474d72b640928343b3b51e2022-12-22T00:39:45ZengMDPI AGBuildings2075-53092019-02-01923910.3390/buildings9020039buildings9020039Study of the Seismic Response on the Infill Masonry Walls of a 15-Storey Reinforced Concrete Structure in NepalAndré Furtado0Nelson Vila-Pouca1Humberto Varum2António Arêde3Construct-Lese, Departamento de Engenharia Civil, Faculdade de Engenharia da Universidade do Porto, 4200-001 Porto, PortugalConstruct-Lese, Departamento de Engenharia Civil, Faculdade de Engenharia da Universidade do Porto, 4200-001 Porto, PortugalConstruct-Lese, Departamento de Engenharia Civil, Faculdade de Engenharia da Universidade do Porto, 4200-001 Porto, PortugalConstruct-Lese, Departamento de Engenharia Civil, Faculdade de Engenharia da Universidade do Porto, 4200-001 Porto, PortugalFollowing the strong earthquake on April 25, 2015 in Nepal, a team from the University of Porto, in collaboration with other international institutions, made a field study on some of the most affected areas in the capital region of Kathmandu. One of the tasks was the study of a high-rise settle of buildings that were damaged following the earthquake sequence. A survey damage assessment was performed to a 15-storey infilled reinforced concrete structure, which will be detailed in the manuscript. Moreover, ambient vibration tests were carried out to determine the natural frequencies and corresponding vibration modes of the structure. The main aim of this manuscript is to present a numerical study concerning the influence of the masonry infill walls in the structure seismic response. For this, three numerical models were built discriminating the situations with and without damage and nondamaged infill walls. Validation and calibration of the numerical model was ensured by comparing the numerical frequencies with those obtained from ambient vibration tests. In addition, linear elastic analyses were carried out, using real accelerograms from the Gorkha earthquake to assess and quantify the major differences between the models in terms of inter-storey drifts ratios, inter-storey shear forces and seismic loadings.https://www.mdpi.com/2075-5309/9/2/39Nepal earthquakehigh-rise reinforced concrete structuremasonry infill wallsambient vibration testsurvey damage assessmentnumerical modelling
spellingShingle André Furtado
Nelson Vila-Pouca
Humberto Varum
António Arêde
Study of the Seismic Response on the Infill Masonry Walls of a 15-Storey Reinforced Concrete Structure in Nepal
Buildings
Nepal earthquake
high-rise reinforced concrete structure
masonry infill walls
ambient vibration test
survey damage assessment
numerical modelling
title Study of the Seismic Response on the Infill Masonry Walls of a 15-Storey Reinforced Concrete Structure in Nepal
title_full Study of the Seismic Response on the Infill Masonry Walls of a 15-Storey Reinforced Concrete Structure in Nepal
title_fullStr Study of the Seismic Response on the Infill Masonry Walls of a 15-Storey Reinforced Concrete Structure in Nepal
title_full_unstemmed Study of the Seismic Response on the Infill Masonry Walls of a 15-Storey Reinforced Concrete Structure in Nepal
title_short Study of the Seismic Response on the Infill Masonry Walls of a 15-Storey Reinforced Concrete Structure in Nepal
title_sort study of the seismic response on the infill masonry walls of a 15 storey reinforced concrete structure in nepal
topic Nepal earthquake
high-rise reinforced concrete structure
masonry infill walls
ambient vibration test
survey damage assessment
numerical modelling
url https://www.mdpi.com/2075-5309/9/2/39
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