Running safety assessment of trains moving over bridges subjected to moderate earthquakes

• Tipo: Artigo em Revista Científica Internacional
• Data: 2016

Autores

Pedro Aires Montenegro (Autor) FEUP; Rui Calçada (Autor) FEUP; Nelson Vila Pouca (Autor) FEUP; M. Tanabe (Autor) Outra

Revista

Título: Earthquake Engineering and Structural Dynamics

Vol. 45

Páginas: 483-504

ISSN: 0098-8847

Editora: Wiley-Blackwell

Indexação

ISI Web of Knowledge - 72 Citações

Scopus - 76 Citações

Classificação Científica

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

FOS: Ciências da engenharia e tecnologias > Engenharia civil

Outras Informações

ID Authenticus: P-00K-4VE

DOI: 10.1002/eqe.2673

Abstract (EN): A study about the running safety of trains moving over bridges subjected to earthquakes is presented. The study focuses on moderate earthquakes with relatively small return periods and high probability of occurrence. The analyses are performed using a nonlinear train-bridge interaction method proposed by the authors, being the running safety evaluated with safety criteria existent in the literature. The influence on the train running safety of the seismic intensity levels, train running speed, and track quality is evaluated. Because no significant nonlinearity is likely to be exhibited in the columns for moderate levels of seismicity, the analyses are performed in the elastic domain. However, the reduction in the columns stiffness due to cracking is accounted, and a methodology to compute their effective stiffness is proposed. Copyright (c) 2015 John Wiley & Sons, Ltd.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 22