Performance Comparison of Concrete Moment Frames Designed by Direct Displacement Based and Force Based Methods

Performance-Based Design Methods idea is based on decreasing the structural damages in earthquake, according to client requirements, it seems be an economical design method. There are two different Performance based design approaches, the former is direct approach and the latter is indirect approach...

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Autores principales:	Hassan Ostadhosein, Seyed Mohammad Hossein Kamel, Mojtaba Hanteh
Formato:	article
Lenguaje:	FA
Publicado:	Iranian Society of Structrual Engineering (ISSE) 2018
Materias:	performance comparison direct displacement-based design force-based design concrete moment frame push-over analysis Bridge engineering TG1-470 Building construction TH1-9745
Acceso en línea:	https://doaj.org/article/3ef794f86bc94184af86d447b128c620
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spelling	oai:doaj.org-article:3ef794f86bc94184af86d447b128c6202021-11-08T15:50:58ZPerformance Comparison of Concrete Moment Frames Designed by Direct Displacement Based and Force Based Methods2476-39772538-261610.22065/jsce.2017.93264.1274https://doaj.org/article/3ef794f86bc94184af86d447b128c6202018-11-01T00:00:00Zhttps://www.jsce.ir/article_51113_cb1b54174856fbb96dfd9d81349fb5ea.pdfhttps://doaj.org/toc/2476-3977https://doaj.org/toc/2538-2616Performance-Based Design Methods idea is based on decreasing the structural damages in earthquake, according to client requirements, it seems be an economical design method. There are two different Performance based design approaches, the former is direct approach and the latter is indirect approach. In direct approach the level of performance is assumed at the beginning of design procedure and design has been performed to achieve the assumed performance. Direct displacement-based design method (DDBD) is known as direct approach. In DDBD procedure performance of the structure is predefined by assuming the total structural drift against specified earthquake level. In DDBD method, structural base shear is calculated according to occurrence of mechanism in earthquake. Therefore DDBD seems to be more realistic in comparison to force based design (FBD) because of considering the structural nonlinearities directly in calculations. In this paper, the principles of DDBD are explained, then concrete special moment frames of 4, 8, 12, 16 stories were designed by both of DDBD and FBD methods. It is concluded that columns dimensions and reinforcement in DDBD will be obtained equal or greater than FBD. In addition, longitudinal reinforcements at the middle span of beams in the frames of DDBD are more than the two ends which are the possible locations of plastic hinges. Frames evaluation by push-over analysis shows that DDBD frames responses are more compatible with plastic mechanism which is supposed in design procedure. Also it is concluded that the maximum drift of DDBD frames before collapse are usually greater than FBD ones and in DDBD frames plastic hinge formation in upper stories is more than FBD frames.Hassan OstadhoseinSeyed Mohammad Hossein KamelMojtaba HantehIranian Society of Structrual Engineering (ISSE)articleperformance comparisondirect displacement-based designforce-based designconcrete moment framepush-over analysisBridge engineeringTG1-470Building constructionTH1-9745FAJournal of Structural and Construction Engineering, Vol 5, Iss شماره ویژه 3, Pp 37-56 (2018)
institution	DOAJ
collection	DOAJ
language	FA
topic	performance comparison direct displacement-based design force-based design concrete moment frame push-over analysis Bridge engineering TG1-470 Building construction TH1-9745
spellingShingle	performance comparison direct displacement-based design force-based design concrete moment frame push-over analysis Bridge engineering TG1-470 Building construction TH1-9745 Hassan Ostadhosein Seyed Mohammad Hossein Kamel Mojtaba Hanteh Performance Comparison of Concrete Moment Frames Designed by Direct Displacement Based and Force Based Methods
description	Performance-Based Design Methods idea is based on decreasing the structural damages in earthquake, according to client requirements, it seems be an economical design method. There are two different Performance based design approaches, the former is direct approach and the latter is indirect approach. In direct approach the level of performance is assumed at the beginning of design procedure and design has been performed to achieve the assumed performance. Direct displacement-based design method (DDBD) is known as direct approach. In DDBD procedure performance of the structure is predefined by assuming the total structural drift against specified earthquake level. In DDBD method, structural base shear is calculated according to occurrence of mechanism in earthquake. Therefore DDBD seems to be more realistic in comparison to force based design (FBD) because of considering the structural nonlinearities directly in calculations. In this paper, the principles of DDBD are explained, then concrete special moment frames of 4, 8, 12, 16 stories were designed by both of DDBD and FBD methods. It is concluded that columns dimensions and reinforcement in DDBD will be obtained equal or greater than FBD. In addition, longitudinal reinforcements at the middle span of beams in the frames of DDBD are more than the two ends which are the possible locations of plastic hinges. Frames evaluation by push-over analysis shows that DDBD frames responses are more compatible with plastic mechanism which is supposed in design procedure. Also it is concluded that the maximum drift of DDBD frames before collapse are usually greater than FBD ones and in DDBD frames plastic hinge formation in upper stories is more than FBD frames.
format	article
author	Hassan Ostadhosein Seyed Mohammad Hossein Kamel Mojtaba Hanteh
author_facet	Hassan Ostadhosein Seyed Mohammad Hossein Kamel Mojtaba Hanteh
author_sort	Hassan Ostadhosein
title	Performance Comparison of Concrete Moment Frames Designed by Direct Displacement Based and Force Based Methods
title_short	Performance Comparison of Concrete Moment Frames Designed by Direct Displacement Based and Force Based Methods
title_full	Performance Comparison of Concrete Moment Frames Designed by Direct Displacement Based and Force Based Methods
title_fullStr	Performance Comparison of Concrete Moment Frames Designed by Direct Displacement Based and Force Based Methods
title_full_unstemmed	Performance Comparison of Concrete Moment Frames Designed by Direct Displacement Based and Force Based Methods
title_sort	performance comparison of concrete moment frames designed by direct displacement based and force based methods
publisher	Iranian Society of Structrual Engineering (ISSE)
publishDate	2018
url	https://doaj.org/article/3ef794f86bc94184af86d447b128c620
work_keys_str_mv	AT hassanostadhosein performancecomparisonofconcretemomentframesdesignedbydirectdisplacementbasedandforcebasedmethods AT seyedmohammadhosseinkamel performancecomparisonofconcretemomentframesdesignedbydirectdisplacementbasedandforcebasedmethods AT mojtabahanteh performancecomparisonofconcretemomentframesdesignedbydirectdisplacementbasedandforcebasedmethods
_version_	1718441652589166592

Performance Comparison of Concrete Moment Frames Designed by Direct Displacement Based and Force Based Methods

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