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Master's Dissertation
DOI
10.11606/D.18.2012.tde-19032012-090938
Document
Author
Full name
Gisele Cristina Antunes Martins
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 2012
Supervisor
Committee
Calil Junior, Carlito (President)
Negrisoli, Ari Antonio
Savassi, Walter
Title in Portuguese
Estudo teórico e experimental de esforços devidos a cabos de termometria fixados em estruturas de coberturas de silos cilíndricos para armazenamento de grãos
Keywords in Portuguese
Cabos de termometria
Estrutura de cobertura
Silo
Abstract in Portuguese
Um dos acidentes comuns em estruturas de armazenamento é o colapso da estrutura de cobertura do silo. Na prática, observa-se que as ruínas estruturais nesse sistema são na maior parte devidas ao desconhecimento das ações nestas estruturas. Devido à escassa informação disponível sobre os esforços de cabos de termometria fixados em estruturas de cobertura de silos cilíndricos verticais, a ênfase desta pesquisa é a análise teórica e experimental da avaliação destes esforços com o objetivo de fornecer subsídios para os projetistas e informações para uma futura normalização no dimensionamento de estruturas de cobertura para silos metálicos cilíndricos. Inicialmente realizou-se uma ampla revisão bibliográfica sobre as ações, esforços e sistemas estruturais e construtivos de cobertura para silos cilíndricos. Com base na análise teórica e experimental realizada dos esforços em cabos de termometria conclui-se que as equações propostas pela norma Argentina IRAM 8 015: 1977 são as mais adequadas para avaliação desses esforços
Title in English
Theoretical and experimental study of efforts due to temperature cables fixed to roof structures of cylindrical storage silos for granular products
Keywords in English
Roof structure
Silo
Temperature cables
Abstract in English
One of the common accidents in storage structures is the silos roof failure. In practice, it is observed that the structural problems in this system are mostly due to the lack of knowledge about the actions in these structures. Due to limited available information on temperature cables loads fixed to roof structure of vertical silos, this work has the aim in the theoretical and experimental analysis of these efforts in two different silos: the pilot-silo in LaMEM - SET - EESC-USP and silo Kepler Weber Industry, in order to provide support for designers and informations for the development of a future Brazililan Standard for the design of roof structures of cylindrical steel silos. Initially was carried out an extensive literature review on the loads, efforts and structural systems for silos roofs. The conclusions obtained from the experimental and theoretical analyzes are that the equations proposed by Argentina Standard IRAM 8015: 1977 is the most suitable for the evaluation of these loads
 
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Publishing Date
2012-03-21
 
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