Steel box girder with profiled webs / Yasmin Sari Nursal

Rotation capacities obtained by a steel box girder with flat webs compare to the equivalent steel box girders with profiled webs are different. One of the objectives of the research presented in this thesis is to investigate if there is any improvement of plastic section rotation capacities steel bo...

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Main Author:	Sari Nursal, Yasmin
Format:	Thesis
Language:	English
Published:	2013
Online Access:	http://ir.uitm.edu.my/id/eprint/18425/ http://ir.uitm.edu.my/id/eprint/18425/2/TM_YASMIN%20SARI%20NURSAL%20EC%2013_5.pdf

id	uitm-18425
recordtype	eprints
spelling	uitm-184252019-02-27T02:40:16Z http://ir.uitm.edu.my/id/eprint/18425/ Steel box girder with profiled webs / Yasmin Sari Nursal Sari Nursal, Yasmin Rotation capacities obtained by a steel box girder with flat webs compare to the equivalent steel box girders with profiled webs are different. One of the objectives of the research presented in this thesis is to investigate if there is any improvement of plastic section rotation capacities steel box girder with profiled webs. All the tested specimens were loaded under four point bending. Three dimensional (3D) computer models analysed using the finite element method were used throughout the study. Results from pre-existing experimental work for 1- section steel girder were used to validate the results obtained from the finite element analysis. Consequently, establishment of steel box girders were made and then validated with the classical beam theory. Failure mode of steel box girders with profiled webs starts with yielding followed by local buckling of the compression flanges. Incline folds in profiled webs at the compression area are able to cope with higher stresses as compared to horizontal folds. Rotation capacity percentage increament of steel box girder with flat webs as compared to the equivalent steel box girders with profiled webs was about 99.55% with 0.16 standard deviation. The increment is about,double the rotation capacity of a girder with flat webs to the girder with profiled webs. Hence, the contribution from webs was significant to the rotation capacity. Rotation capacities increase significantly as the flange thickness and web thickness increase. While, as the yield stress, flange internal element width and flange external element width of steel plate box girders with the profiled webs are increased, the rotation capacities experience reduction. 2013 Thesis NonPeerReviewed text en http://ir.uitm.edu.my/id/eprint/18425/2/TM_YASMIN%20SARI%20NURSAL%20EC%2013_5.pdf Sari Nursal, Yasmin (2013) Steel box girder with profiled webs / Yasmin Sari Nursal. Masters thesis, Universiti Teknologi MARA.
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Teknologi MARA
building	UiTM Institutional Repository
collection	Online Access
language	English
description	Rotation capacities obtained by a steel box girder with flat webs compare to the equivalent steel box girders with profiled webs are different. One of the objectives of the research presented in this thesis is to investigate if there is any improvement of plastic section rotation capacities steel box girder with profiled webs. All the tested specimens were loaded under four point bending. Three dimensional (3D) computer models analysed using the finite element method were used throughout the study. Results from pre-existing experimental work for 1- section steel girder were used to validate the results obtained from the finite element analysis. Consequently, establishment of steel box girders were made and then validated with the classical beam theory. Failure mode of steel box girders with profiled webs starts with yielding followed by local buckling of the compression flanges. Incline folds in profiled webs at the compression area are able to cope with higher stresses as compared to horizontal folds. Rotation capacity percentage increament of steel box girder with flat webs as compared to the equivalent steel box girders with profiled webs was about 99.55% with 0.16 standard deviation. The increment is about,double the rotation capacity of a girder with flat webs to the girder with profiled webs. Hence, the contribution from webs was significant to the rotation capacity. Rotation capacities increase significantly as the flange thickness and web thickness increase. While, as the yield stress, flange internal element width and flange external element width of steel plate box girders with the profiled webs are increased, the rotation capacities experience reduction.
format	Thesis
author	Sari Nursal, Yasmin
spellingShingle	Sari Nursal, Yasmin Steel box girder with profiled webs / Yasmin Sari Nursal
author_facet	Sari Nursal, Yasmin
author_sort	Sari Nursal, Yasmin
title	Steel box girder with profiled webs / Yasmin Sari Nursal
title_short	Steel box girder with profiled webs / Yasmin Sari Nursal
title_full	Steel box girder with profiled webs / Yasmin Sari Nursal
title_fullStr	Steel box girder with profiled webs / Yasmin Sari Nursal
title_full_unstemmed	Steel box girder with profiled webs / Yasmin Sari Nursal
title_sort	steel box girder with profiled webs / yasmin sari nursal
publishDate	2013
url	http://ir.uitm.edu.my/id/eprint/18425/ http://ir.uitm.edu.my/id/eprint/18425/2/TM_YASMIN%20SARI%20NURSAL%20EC%2013_5.pdf
first_indexed	2023-09-18T23:00:30Z
last_indexed	2023-09-18T23:00:30Z
_version_	1777418140531032064

Steel box girder with profiled webs / Yasmin Sari Nursal

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