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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:https://ir.uitm.edu.my/id/eprint/18425/2/TM_YASMIN%20SARI%20NURSAL%20EC%2013_5.pdf
https://ir.uitm.edu.my/id/eprint/18425/
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spelling my.uitm.ir.184252022-04-11T23:56:43Z https://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. 2013-10 Thesis NonPeerReviewed text en https://ir.uitm.edu.my/id/eprint/18425/2/TM_YASMIN%20SARI%20NURSAL%20EC%2013_5.pdf (2013) Steel box girder with profiled webs / Yasmin Sari Nursal. Masters thesis, thesis, Universiti Teknologi MARA.
institution Universiti Teknologi Mara
building Tun Abdul Razak Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Mara
content_source UiTM Institutional Repository
url_provider http://ir.uitm.edu.my/
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 https://ir.uitm.edu.my/id/eprint/18425/2/TM_YASMIN%20SARI%20NURSAL%20EC%2013_5.pdf
https://ir.uitm.edu.my/id/eprint/18425/
_version_ 1731229068062359552
score 13.211869

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