Structures with Added Buckling Restrained Brace Elements

The number of high rise building has increased significantly as supporting infrastructure in many big cities in Indonesia. Most of the high rise buildings in Indonesia are constructed using reinforced concrete (r/c) moment resisting frame systems. However, due to the high seismicity of many of the...

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Main Authors: D. Purba, I. Imran, M. Moestopo, A. Watanabe, T. Hikino, D. Siringoringo
Format: Article
Language:English
Published: Electronic Journals for Science and Engineering - International 2018-01-01
Series:Electronic Journal of Structural Engineering
Subjects:
Online Access:https://ejsei.com/EJSE/article/view/223
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author D. Purba
I. Imran
M. Moestopo
A. Watanabe
T. Hikino
D. Siringoringo
author_facet D. Purba
I. Imran
M. Moestopo
A. Watanabe
T. Hikino
D. Siringoringo
author_sort D. Purba
collection DOAJ
description The number of high rise building has increased significantly as supporting infrastructure in many big cities in Indonesia. Most of the high rise buildings in Indonesia are constructed using reinforced concrete (r/c) moment resisting frame systems. However, due to the high seismicity of many of the regions of Indonesia, the use of moment resisting frames as single system, especially for tall buildings, are restricted. This structural system is in general quite flexible, and therefore excessive lateral drifts are experienced under seismic forces. In practice, adding buckling restrained brace (BRB) can be used to limit the lateral drift in high rise buildings. The objective of this paper is to present a study on the use of BRB elements in high rise r/c frame buildings to evaluate their seismic performance. In this paper, a 20 story office building located in a high seismicity region is modeled into two basic distinctions, i.e. building with BRB and without BRB. The adopted system of BRB is UBB (Unbonded Brace) type. The seismic response of the buildings is obtained by conducting non-linear time history analysis with seven scaled ground motions. Then, the performance of these buildings are evaluated and compared. Based on the findings, some recommendations are proposed for the use of BRB in the design of high rise r/c frame buildings located in regions with high seismicity.
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spelling doaj.art-12117f49ea434215be717b9f83858c832023-08-29T10:25:34ZengElectronic Journals for Science and Engineering - InternationalElectronic Journal of Structural Engineering1443-92552018-01-0118110.56748/ejse.182231Structures with Added Buckling Restrained Brace ElementsD. Purba0I. Imran1M. Moestopo2A. Watanabe3T. Hikino4D. Siringoringo5Bandung Institute of Technology Bandung Institute of Technology Bandung Institute of Technology Nippon Steel and Sumikin Engineering (NSENGI), JapanNippon Steel and Sumikin Engineering (NSENGI), JapanYokohama National University The number of high rise building has increased significantly as supporting infrastructure in many big cities in Indonesia. Most of the high rise buildings in Indonesia are constructed using reinforced concrete (r/c) moment resisting frame systems. However, due to the high seismicity of many of the regions of Indonesia, the use of moment resisting frames as single system, especially for tall buildings, are restricted. This structural system is in general quite flexible, and therefore excessive lateral drifts are experienced under seismic forces. In practice, adding buckling restrained brace (BRB) can be used to limit the lateral drift in high rise buildings. The objective of this paper is to present a study on the use of BRB elements in high rise r/c frame buildings to evaluate their seismic performance. In this paper, a 20 story office building located in a high seismicity region is modeled into two basic distinctions, i.e. building with BRB and without BRB. The adopted system of BRB is UBB (Unbonded Brace) type. The seismic response of the buildings is obtained by conducting non-linear time history analysis with seven scaled ground motions. Then, the performance of these buildings are evaluated and compared. Based on the findings, some recommendations are proposed for the use of BRB in the design of high rise r/c frame buildings located in regions with high seismicity. https://ejsei.com/EJSE/article/view/223DuctilityNon-linear time history analysisPerformance based design
spellingShingle D. Purba
I. Imran
M. Moestopo
A. Watanabe
T. Hikino
D. Siringoringo
Structures with Added Buckling Restrained Brace Elements
Electronic Journal of Structural Engineering
Ductility
Non-linear time history analysis
Performance based design
title Structures with Added Buckling Restrained Brace Elements
title_full Structures with Added Buckling Restrained Brace Elements
title_fullStr Structures with Added Buckling Restrained Brace Elements
title_full_unstemmed Structures with Added Buckling Restrained Brace Elements
title_short Structures with Added Buckling Restrained Brace Elements
title_sort structures with added buckling restrained brace elements
topic Ductility
Non-linear time history analysis
Performance based design
url https://ejsei.com/EJSE/article/view/223
work_keys_str_mv AT dpurba structureswithaddedbucklingrestrainedbraceelements
AT iimran structureswithaddedbucklingrestrainedbraceelements
AT mmoestopo structureswithaddedbucklingrestrainedbraceelements
AT awatanabe structureswithaddedbucklingrestrainedbraceelements
AT thikino structureswithaddedbucklingrestrainedbraceelements
AT dsiringoringo structureswithaddedbucklingrestrainedbraceelements