Train-bridge interaction influence on the safety of a short span railway bridge

• Tipo: Artigo em Livro de Atas de Conferência Internacional
• Data: 2013

Autores

João Rocha (Autor) FEUP; António Abel Henriques (Autor) FEUP; Rui Calçada (Autor) FEUP

Ata de Conferência Internacional

Título: Assessment, Upgrading and Refurbishment of Infrastructures

Páginas: 279-286

IABSE Workshop on Assessment, Upgrading and Refurbishment of Infrastructures

6 May 2013 through 8 May 2013

Indexação

Scopus - 0 Citações

COMPENDEX

Classificação Científica

FOS: Ciências da engenharia e tecnologias > Engenharia civil

CORDIS: Ciências Tecnológicas > Engenharia > Engenharia civil > Engenharia estrutural ; Ciências Tecnológicas > Engenharia > Engenharia civil

Outras Informações

ID Authenticus: P-00A-D7W

DOI: 10.2749/222137813806474525

Abstract (EN): The behaviour of short span railway bridges is known to be particularly difficult to predict due to the complex coupled train-track-bridge system, as well as for being particularly sensitive to resonant phenomena. The objective of this paper is to evaluate the safety of this type of structure inserted in high speed railway lines, bearing in mind the real variability of the parameters that influence the bridge dynamic response. This requires the definition of variables related to the structure, the train, the track and also the wheel-rail contact. Simulation techniques are used to evaluate the structural safety. The system behaviour is assessed by analysing the results obtained using two distinct methods: the moving loads method and the train-bridge interaction method. This allows assessing the influence of the train-bridge interaction effects on the dynamic response of the bridge, confirming its importance for the analysis of short span structures, particularly under resonant speeds.

Idioma: Inglês

Tipo (Avaliação Docente): Científica