Experimental and numerical investigations of partially encased composite columns under axial load

In current international practice, composite construction is gaining importance in industrial buildings and in particular in high-rise buildings. Partially encased composite (PEC) columns are one of the recent developments in composite column. Using composite columns have several advantages such as...

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Autores principales:	Mehdi Ebadi Jamkhaneh, Mohammad Ali Kafi, Ali Kheyroddin
Formato:	article
Lenguaje:	FA
Publicado:	Iranian Society of Structrual Engineering (ISSE) 2019
Materias:	partially encased composite column load-bearing capacity local buckling cross section transverse link Bridge engineering TG1-470 Building construction TH1-9745
Acceso en línea:	https://doaj.org/article/1bb3cfb9687148c2839e80991f5383a5
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spelling	oai:doaj.org-article:1bb3cfb9687148c2839e80991f5383a52021-11-08T15:51:06ZExperimental and numerical investigations of partially encased composite columns under axial load2476-39772538-261610.22065/jsce.2017.92721.1264https://doaj.org/article/1bb3cfb9687148c2839e80991f5383a52019-02-01T00:00:00Zhttps://www.jsce.ir/article_50758_e14b7f044dc53e8d773087fdbd12b711.pdfhttps://doaj.org/toc/2476-3977https://doaj.org/toc/2538-2616In current international practice, composite construction is gaining importance in industrial buildings and in particular in high-rise buildings. Partially encased composite (PEC) columns are one of the recent developments in composite column. Using composite columns have several advantages such as an increased speed of erection compared to reinforced concrete (RC) columns, a more cost-effective design, smaller cross-section dimensions for similar axial resistance, and a better resistance to fire and local buckling than for steel only columns in compare with traditional RC or steel only columns. One of the proper sections for columns is a cross-sectional shape that can be used in these columns. In this paper, experimental and numerical studies are carried out on three PEC columns under pure compression load. The main difference between the specimens is in the reinforcement details of the concrete. Parameters studied in numerical work, details of reinforcement, failure mode, width to thickness ratio of steel flange and distance and transverse link diameter. The results are presented in the form of axial load-displacement curves. Also, the values of experimental work were compared with the relations between the two European and Canadian regulations, which indicated that the Canadian code was conservative. The results were developed in a numerical section after validation with a laboratory specimens and the load-bearing capacity and deformation were evaluated. The evident buckling pattern in the specimens was the kind of rupture of the welds of the links and the local buckling of the flange plate between the two links. Also, the bigger interval between the two links caused an early local buckling in the specimen.Mehdi Ebadi JamkhanehMohammad Ali KafiAli KheyroddinIranian Society of Structrual Engineering (ISSE)articlepartially encased composite columnload-bearing capacitylocal bucklingcross sectiontransverse linkBridge engineeringTG1-470Building constructionTH1-9745FAJournal of Structural and Construction Engineering, Vol 5, Iss شماره ویژه 4, Pp 58-72 (2019)
institution	DOAJ
collection	DOAJ
language	FA
topic	partially encased composite column load-bearing capacity local buckling cross section transverse link Bridge engineering TG1-470 Building construction TH1-9745
spellingShingle	partially encased composite column load-bearing capacity local buckling cross section transverse link Bridge engineering TG1-470 Building construction TH1-9745 Mehdi Ebadi Jamkhaneh Mohammad Ali Kafi Ali Kheyroddin Experimental and numerical investigations of partially encased composite columns under axial load
description	In current international practice, composite construction is gaining importance in industrial buildings and in particular in high-rise buildings. Partially encased composite (PEC) columns are one of the recent developments in composite column. Using composite columns have several advantages such as an increased speed of erection compared to reinforced concrete (RC) columns, a more cost-effective design, smaller cross-section dimensions for similar axial resistance, and a better resistance to fire and local buckling than for steel only columns in compare with traditional RC or steel only columns. One of the proper sections for columns is a cross-sectional shape that can be used in these columns. In this paper, experimental and numerical studies are carried out on three PEC columns under pure compression load. The main difference between the specimens is in the reinforcement details of the concrete. Parameters studied in numerical work, details of reinforcement, failure mode, width to thickness ratio of steel flange and distance and transverse link diameter. The results are presented in the form of axial load-displacement curves. Also, the values of experimental work were compared with the relations between the two European and Canadian regulations, which indicated that the Canadian code was conservative. The results were developed in a numerical section after validation with a laboratory specimens and the load-bearing capacity and deformation were evaluated. The evident buckling pattern in the specimens was the kind of rupture of the welds of the links and the local buckling of the flange plate between the two links. Also, the bigger interval between the two links caused an early local buckling in the specimen.
format	article
author	Mehdi Ebadi Jamkhaneh Mohammad Ali Kafi Ali Kheyroddin
author_facet	Mehdi Ebadi Jamkhaneh Mohammad Ali Kafi Ali Kheyroddin
author_sort	Mehdi Ebadi Jamkhaneh
title	Experimental and numerical investigations of partially encased composite columns under axial load
title_short	Experimental and numerical investigations of partially encased composite columns under axial load
title_full	Experimental and numerical investigations of partially encased composite columns under axial load
title_fullStr	Experimental and numerical investigations of partially encased composite columns under axial load
title_full_unstemmed	Experimental and numerical investigations of partially encased composite columns under axial load
title_sort	experimental and numerical investigations of partially encased composite columns under axial load
publisher	Iranian Society of Structrual Engineering (ISSE)
publishDate	2019
url	https://doaj.org/article/1bb3cfb9687148c2839e80991f5383a5
work_keys_str_mv	AT mehdiebadijamkhaneh experimentalandnumericalinvestigationsofpartiallyencasedcompositecolumnsunderaxialload AT mohammadalikafi experimentalandnumericalinvestigationsofpartiallyencasedcompositecolumnsunderaxialload AT alikheyroddin experimentalandnumericalinvestigationsofpartiallyencasedcompositecolumnsunderaxialload
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Experimental and numerical investigations of partially encased composite columns under axial load

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