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FEM Analysis of The Cyclic Behaviour of Steel Beam-to-Column Joints

FEM Analysis of The Cyclic Behaviour of Steel Beam-to-Column Joints

Type of document
diplomová práce
master thesis
Author
Ubaid Ur Rehman Hafiz Muhammad
Supervisor
Simoes da Silva Luis Alberto Proenca
Opponent
Silva Rebelo Carlos Alberto
Field of study
Sustainable Constructions under Natural Hazards and Catastrophic Events
Study program
Civil Engineering
Institutions assigning rank
katedra ocelových a dřevěných konstrukcí
Defended
2018-02-14
Rights
A university thesis is a work protected by the Copyright Act. Extracts, copies and transcripts of the thesis are allowed for personal use only and at one?s own expense. The use of thesis should be in compliance with the Copyright Act http://www.mkcr.cz/assets/autorske-pravo/01-3982006.pdf and the citation ethics http://knihovny.cvut.cz/vychova/vskp.html
Vysokoškolská závěrečná práce je dílo chráněné autorským zákonem. Je možné pořizovat z něj na své náklady a pro svoji osobní potřebu výpisy, opisy a rozmnoženiny. Jeho využití musí být v souladu s autorským zákonem http://www.mkcr.cz/assets/autorske-pravo/01-3982006.pdf a citační etikou http://knihovny.cvut.cz/vychova/vskp.html
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Abstract
The construction of a structure undergoes several stages, each of which must be thoroughly thought. In structures that may be subject to seismic actions at some point of their use life, these considerations are especially significant. Joints between steel elements in this type of structures should always be designed, fabricated and erected such that brittle failure is avoided and a ductile mode of failure governs the collapse. Designers must always bear in mind design requirements set by the relevant design standards. In Europe, EN1993 must be observed for the seismic design of structures, with significant reference to EN1993 for the design of steel structures and EN1993-1-8 in particular for the design of steel joints making use of the components method. Nowadays the experimental test is the preferred method between the scientific community to assess the seismic behaviour of steel joints. However, the analysis of the seismic behaviour of beam-to-columns joints at component level directly from the analysis of the results of the experimental test is unfeasible. Accordingly, advanced numerical models must be developed and validated with the experimental tests. In this dissertation advanced FEM based models are developed for the analysis of monotonic and cyclic behaviour of the tension region of beam-to-column steel joints in the framework of the project ?European pre-qualified steel joints (EQUALJOINTS)?, focusing in the behaviour of the column flange in bending.
 
The construction of a structure undergoes several stages, each of which must be thoroughly thought. In structures that may be subject to seismic actions at some point of their use life, these considerations are especially significant. Joints between steel elements in this type of structures should always be designed, fabricated and erected such that brittle failure is avoided and a ductile mode of failure governs the collapse. Designers must always bear in mind design requirements set by the relevant design standards. In Europe, EN1993 must be observed for the seismic design of structures, with significant reference to EN1993 for the design of steel structures and EN1993-1-8 in particular for the design of steel joints making use of the components method. Nowadays the experimental test is the preferred method between the scientific community to assess the seismic behaviour of steel joints. However, the analysis of the seismic behaviour of beam-to-columns joints at component level directly from the analysis of the results of the experimental test is unfeasible. Accordingly, advanced numerical models must be developed and validated with the experimental tests. In this dissertation advanced FEM based models are developed for the analysis of monotonic and cyclic behaviour of the tension region of beam-to-column steel joints in the framework of the project ?European pre-qualified steel joints (EQUALJOINTS)?, focusing in the behaviour of the column flange in bending.
 
URI
http://hdl.handle.net/10467/78308
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