Artigo

Structural assessment of a RC Bridge over Sororó river along the Carajás railway

The Carajás railway is operated by Vale SA and is used to transport the Brazilian production of iron ore mine located in the state of Pará until Itaqui harbor in Maranhão state. With 892 km in length, the railway will be doubled due to the prospect of increased production, which requires verificatio...

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Autor principal: MATOS, José Cristino Lima de
Outros Autores: BRANCO, Vitor Hugo Lopes, MACÊDO, Alcebíades Negrão, OLIVEIRA, Dênio Ramam Carvalho de
Grau: Artigo
Idioma: por
Publicado em: Universidade Federal do Pará 2017
Assuntos:
Estruturas de concreto
Ponte ferroviária
Estrada de Ferro Carajás
Estrutura de ponte
Acesso em linha: http://repositorio.ufpa.br/jspui/handle/2011/8150
id ir-2011-8150
recordtype dspace
spelling ir-2011-81502018-04-13T13:40:22Z Structural assessment of a RC Bridge over Sororó river along the Carajás railway Avaliação estrutural da ponte sobre o rio Sororó na ferrovia Carajás MATOS, José Cristino Lima de BRANCO, Vitor Hugo Lopes MACÊDO, Alcebíades Negrão OLIVEIRA, Dênio Ramam Carvalho de Estruturas de concreto Ponte ferroviária Estrada de Ferro Carajás Estrutura de ponte The Carajás railway is operated by Vale SA and is used to transport the Brazilian production of iron ore mine located in the state of Pará until Itaqui harbor in Maranhão state. With 892 km in length, the railway will be doubled due to the prospect of increased production, which requires verification of the structures of bridges to ensure safety under loading up to 23% larger. The railway bridge in reinforced concrete has five hyperstatic spans with 25 m long and was built over Sororó river in the southeast of Pará. To better evaluate its structural performance under current loadings, several structural elements were monitored with strain gages and the concrete was characterized by non-destructive and destructive testing on the structure. This information was used in a computer model to estimate the future structural behavior. The methodology was satisfactory as the estimated structural performance for future loadings, meeting the recommendations of the Brazilian technical standards. A ferrovia Carajás é operada pela Vale SA e é utilizada para transportar a produção brasileira de minério de ferro da mina localizada no estado do Pará até o porto de Itaqui no estado do Maranhão. Com 892 km de comprimento, a ferrovia será duplicada devido à perspectiva de aumento da produção, o que requer a verificação das estruturas de suas pontes visando garantir a segurança sob carregamento até 23% maior que o atual. A ponte ferroviária em concreto armado apresenta cinco vãos hiperestáticos com 25 m de comprimento cada e foi construída sobre o rio Sororó, na região sudeste do Estado do Pará. Para melhor avaliar seu desempenho estrutural sob carregamentos atuais, diversos elementos estruturais foram monitorados com extensômetros elétricos de resistência e o concreto foi caracterizado através de ensaios não destrutivos e destrutivos na estrutura. Estas informações foram empregadas em um modelo computacional para auxiliar na estimativa do comportamento estrutural futuro. A metodologia mostrou-se satisfatória, assim como o desempenho estimado da estrutura para os futuros carregamentos, atendendo às recomendações das normas técnicas brasileiras. 2017-04-12T12:27:47Z 2017-04-12T12:27:47Z 2015-04 Artigo de Periódico MATOS, José Cristino Lima de et al. Structural assessment of a RC Bridge over Sororó river along the Carajás railway. Revista Ibracon de Estruturas e Materiais, São Paulo, v. 8, n. 2, p. 140-163, mar./abr. 2015. Disponível em: <http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1983-41952015000200140&lng=pt&nrm=iso> ; <http://www.scielo.br/pdf/riem/v8n2/pt_1983-4195-riem-08-02-00140.pdf>. Acesso em: 12 abr. 2017. <http://dx.doi.org/10.1590/S1983-41952015000200006>. 1983-4195 http://repositorio.ufpa.br/jspui/handle/2011/8150 por Revista IBRACON de Estruturas e Materiais Acesso Aberto application/pdf application/pdf Universidade Federal do Pará Brasil UFPA
institution Repositório Institucional - Universidade Federal do Pará
collection RI-UFPA
language por
topic Estruturas de concreto
Ponte ferroviária
Estrada de Ferro Carajás
Estrutura de ponte
spellingShingle Estruturas de concreto
Ponte ferroviária
Estrada de Ferro Carajás
Estrutura de ponte
MATOS, José Cristino Lima de
Structural assessment of a RC Bridge over Sororó river along the Carajás railway
topic_facet Estruturas de concreto
Ponte ferroviária
Estrada de Ferro Carajás
Estrutura de ponte
description The Carajás railway is operated by Vale SA and is used to transport the Brazilian production of iron ore mine located in the state of Pará until Itaqui harbor in Maranhão state. With 892 km in length, the railway will be doubled due to the prospect of increased production, which requires verification of the structures of bridges to ensure safety under loading up to 23% larger. The railway bridge in reinforced concrete has five hyperstatic spans with 25 m long and was built over Sororó river in the southeast of Pará. To better evaluate its structural performance under current loadings, several structural elements were monitored with strain gages and the concrete was characterized by non-destructive and destructive testing on the structure. This information was used in a computer model to estimate the future structural behavior. The methodology was satisfactory as the estimated structural performance for future loadings, meeting the recommendations of the Brazilian technical standards.
format Artigo
author MATOS, José Cristino Lima de
author2 BRANCO, Vitor Hugo Lopes
MACÊDO, Alcebíades Negrão
OLIVEIRA, Dênio Ramam Carvalho de
author2Str BRANCO, Vitor Hugo Lopes
MACÊDO, Alcebíades Negrão
OLIVEIRA, Dênio Ramam Carvalho de
title Structural assessment of a RC Bridge over Sororó river along the Carajás railway
title_short Structural assessment of a RC Bridge over Sororó river along the Carajás railway
title_full Structural assessment of a RC Bridge over Sororó river along the Carajás railway
title_fullStr Structural assessment of a RC Bridge over Sororó river along the Carajás railway
title_full_unstemmed Structural assessment of a RC Bridge over Sororó river along the Carajás railway
title_sort structural assessment of a rc bridge over sororó river along the carajás railway
publisher Universidade Federal do Pará
publishDate 2017
url http://repositorio.ufpa.br/jspui/handle/2011/8150
_version_ 1787147438893563904
score 11.687526

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