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Master's Dissertation
DOI
10.11606/D.18.2005.tde-25042006-083551
Document
Author
Full name
Evandro Catai
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 2005
Supervisor
Committee
Sales, Jose Jairo de (President)
Carvalho, Roberto Chust
Malite, Maximiliano
Title in Portuguese
Análise dos efeitos da retração e fluência em vigas mistas
Keywords in Portuguese
efeitos da retração e fluência
pontes em vigas mistas
Abstract in Portuguese
Foram realizados estudos das ações e suas combinações, que possam ocorrer nas pontes; também foram apresentados as principais características das pontes em vigas mistas e os tabuleiros utilizados, os conectores de cisalhamento que são utilizados na ligação aço/concreto e os efeitos da retração e fluência das vigas mistas. No estudo desses efeitos realizou-se uma análise elástica; a seção transversal foi considerada idealizada e as tensões atuantes na seção mista foram obtidas através do método das tensões admissíveis. Este procedimento foi baseado por Djuric (1963) posteriormente por Mason (1976), considerando interação completa entre aço/concreto e o carregamento sendo aplicado no tempo t=0 e no tempo t='infinito'. Verificou-se ao longo do tempo um aumento do deslocamento e uma redistribuição de tensões na seção mista devido os efeitos da retração e fluência
Title in English
Analysis of the effects of the shrinkage and creep in composite beams
Keywords in English
bridge in composite beams
effects of the shrinkage and creep
Abstract in English
It was achieved studies of the actions and it’s combinations that can happen at the bridges also it was presented the main characteristics of the bridges in composite beams and the slab applied the shear connectors that are utilized at the joining steel/concrete and the effects of the shrinkage and creep of the composite beams. In the study these effects come about an analysis elastic the cross-section was considered idealized and the stresses that actuate at the composite section were obtained through the method admissible stresses. This procedure was based by Djuric (1963) later by Mason (1976) considering full interaction between steel/concrete and the load being applied at the time t=0 and at the time t='infinite'. It was verified along the time a rise of the deflection and a redistribution of the stresses at the composite section due to the effects of the shrinkage and creep
 
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Publishing Date
2006-04-25
 
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