Analytical and numerical modeling of flush end-plate connection system with built-up hybrid beam

This thesis presents the analytical and numerical investigations of the flexural behavior of flush end-plate connections with built-up hybrid beam connected in a partially welded manner. Firstly, the ABAQUS finite element (FE) software was used to model the three-dimensional (3D) beam to column conn...

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Main Author:	Mohamed Omer, Joma Hamed
Format:	Thesis
Language:	English
Published:	2013
Subjects:	TA Engineering (General) Civil engineering (General)
Online Access:	http://eprints.utm.my/id/eprint/42070/1/JomaHamedMohamedOmerMFKA2013.pdf
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spelling	my-utm-ep.420702020-07-28T02:37:56Z Analytical and numerical modeling of flush end-plate connection system with built-up hybrid beam 2013 Mohamed Omer, Joma Hamed TA Engineering (General). Civil engineering (General) This thesis presents the analytical and numerical investigations of the flexural behavior of flush end-plate connections with built-up hybrid beam connected in a partially welded manner. Firstly, the ABAQUS finite element (FE) software was used to model the three-dimensional (3D) beam to column connection behaviors in a geometrically nonlinear environment, for four different structural configurations. Secondly, a new equation had been proposed to produce the moment-rotation (M–?) relationship of connections using a linearly distributed multi-parameter fitting approach for the maximum moment term description, taking into account also the rotational stiffness term, which is defined by the component method. The results of FE, equation, and the experimental approaches were compared, from which agreements in the M–? relationship and the failure mode were strongly evident. For demonstration of applicability of the proposed equation, several geometric configurations of European steel i-beams (IPE) were chosen from EN10034:1993 where the produced M-? relationship corresponded excellently with those of FE models. In addition, details of stress distribution contours had been plotted by FE, and discussed for all models, from which the ranking of stress criticality of all parts had been determined. It was found that the rotational behavior of the studied connection is dominated by the tension side and beam web buckling, the most critical parts of which are bolts and holed areas, with the stress in the former doubles those in other areas. The main contribution of current study comes in the form of the introduction of a verified novel equation technique validated with the aid of 3D FE modeling for describing the flexural behavior of beam to column system in terms of computationally cheap production of M-? relationship, greatly beneficial for parametric study 2013 Thesis http://eprints.utm.my/id/eprint/42070/ http://eprints.utm.my/id/eprint/42070/1/JomaHamedMohamedOmerMFKA2013.pdf application/pdf en public http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:78912?queryType=vitalDismax&query=Analytical+and+numerical+modeling+of+flush+end-plate+connection+system+with+built-up+hybrid+beam&public=true masters Universiti Teknologi Malaysia, Faculty of Civil Engineering Faculty of Civil Engineering
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
language	English
topic	TA Engineering (General) Civil engineering (General)
spellingShingle	TA Engineering (General) Civil engineering (General) Mohamed Omer, Joma Hamed Analytical and numerical modeling of flush end-plate connection system with built-up hybrid beam
description	This thesis presents the analytical and numerical investigations of the flexural behavior of flush end-plate connections with built-up hybrid beam connected in a partially welded manner. Firstly, the ABAQUS finite element (FE) software was used to model the three-dimensional (3D) beam to column connection behaviors in a geometrically nonlinear environment, for four different structural configurations. Secondly, a new equation had been proposed to produce the moment-rotation (M–?) relationship of connections using a linearly distributed multi-parameter fitting approach for the maximum moment term description, taking into account also the rotational stiffness term, which is defined by the component method. The results of FE, equation, and the experimental approaches were compared, from which agreements in the M–? relationship and the failure mode were strongly evident. For demonstration of applicability of the proposed equation, several geometric configurations of European steel i-beams (IPE) were chosen from EN10034:1993 where the produced M-? relationship corresponded excellently with those of FE models. In addition, details of stress distribution contours had been plotted by FE, and discussed for all models, from which the ranking of stress criticality of all parts had been determined. It was found that the rotational behavior of the studied connection is dominated by the tension side and beam web buckling, the most critical parts of which are bolts and holed areas, with the stress in the former doubles those in other areas. The main contribution of current study comes in the form of the introduction of a verified novel equation technique validated with the aid of 3D FE modeling for describing the flexural behavior of beam to column system in terms of computationally cheap production of M-? relationship, greatly beneficial for parametric study
format	Thesis
qualification_level	Master's degree
author	Mohamed Omer, Joma Hamed
author_facet	Mohamed Omer, Joma Hamed
author_sort	Mohamed Omer, Joma Hamed
title	Analytical and numerical modeling of flush end-plate connection system with built-up hybrid beam
title_short	Analytical and numerical modeling of flush end-plate connection system with built-up hybrid beam
title_full	Analytical and numerical modeling of flush end-plate connection system with built-up hybrid beam
title_fullStr	Analytical and numerical modeling of flush end-plate connection system with built-up hybrid beam
title_full_unstemmed	Analytical and numerical modeling of flush end-plate connection system with built-up hybrid beam
title_sort	analytical and numerical modeling of flush end-plate connection system with built-up hybrid beam
granting_institution	Universiti Teknologi Malaysia, Faculty of Civil Engineering
granting_department	Faculty of Civil Engineering
publishDate	2013
url	http://eprints.utm.my/id/eprint/42070/1/JomaHamedMohamedOmerMFKA2013.pdf
_version_	1747816682616782848

Analytical and numerical modeling of flush end-plate connection system with built-up hybrid beam

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