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Estatística
Título: STUDY OF THE APPLICABILITY OF THE AASHTO SIMPLIFIED METHOD FOR TRANSVERSAL LOAD DISTRIBUTION FOR BRIDGES IN BRAZIL
Autor: MURILO SOARES SANTOS
Colaborador(es): ELISA DOMINGUEZ SOTELINO - Orientador
JULIO JERONIMO HOLTZ SILVA FILHO - Coorientador
Catalogação: 26/JUL/2016 Língua(s): PORTUGUESE - BRAZIL
Tipo: TEXT Subtipo: THESIS
Notas: [pt] Todos os dados constantes dos documentos são de inteira responsabilidade de seus autores. Os dados utilizados nas descrições dos documentos estão em conformidade com os sistemas da administração da PUC-Rio.
[en] All data contained in the documents are the sole responsibility of the authors. The data used in the descriptions of the documents are in conformity with the systems of the administration of PUC-Rio.
Referência(s): [pt] https://www.maxwell.vrac.puc-rio.br/projetosEspeciais/ETDs/consultas/conteudo.php?strSecao=resultado&nrSeq=27017&idi=1
[en] https://www.maxwell.vrac.puc-rio.br/projetosEspeciais/ETDs/consultas/conteudo.php?strSecao=resultado&nrSeq=27017&idi=2
DOI: https://doi.org/10.17771/PUCRio.acad.27017
Resumo:
The dissemination of softwares that implement the Finite Element Method (FEM) influences the way the structural projects are made. For bridge projects, where the simplified methods have been for many years the main type of analysis, the FEM has become an important tool in the process. Currently the simplified methods complement the use of FEM in different ways, in the pre-dimensioning of the structural elements and providing an estimate of the shear and bending moments, reducing the possibility of errors during the design process. In the United States, AASHTO LRFD (2012) provides a simplified method for transverse wheel load distribution into their regulatory specifications that requires only the calculation of a load distribution factor. The objective of this work is to evaluate if this method can be used as a rational alternative for the design of bridges in Brazil. For this purpose, it was necessary to understand the difference between Brazilian and American standards, suggest a calculation model based on the American standard that meets Brazilian regulation and validate this model with FEM analysis and other simplified methods. The finite element models were validated by the comparison of the results of its analysis with the results of actual load tests on bridges performed by other authors. Safe results are obtained for all analyzed cases when using the proposed calculation model, therefore it was able to determine the transverse wheel load distribution and the maximum displacement of the stringers of bridges with only one span and concrete beams. In bridges with steel beams, the method also obtained safe results in the analysis of transverse wheel load distribution, but just as the others simplified methods, it is not able to determine the maximum displacements with high reliability. It follows, therefore, that the proposed methodology can be used in the design of bridges with one span in Brazil, if the applicability limits are specified.
Descrição: Arquivo:   
COVER, DEDICATION, THANKS, RESUMO, ABSTRACT, SUMARY, LISTS, EPIGRAPH PDF    
CHAPTER 1 PDF    
CHAPTER 2 PDF    
CHAPTER 3 PDF    
CHAPTER 4 PDF    
CHAPTER 5 PDF    
CHAPTER 6 PDF    
REFERENCES AND ANNEX PDF