Influence of track irregularities in the global and local dynamic response of precast decks under railway traffic loads

• Type: Article in International Conference Proceedings Book
• Date: 2016

Authors

Malveiro, J (Author) Other; Carlos Sousa (Author) FEUP; Rui Calçada (Author) FEUP; Ribeiro, D (Author) Other

Conference proceedings International

Title: MAINTENANCE, MONITORING, SAFETY, RISK AND RESILIENCE OF BRIDGES AND BRIDGE NETWORKS

Pages: 310-310

8th International Conference on Bridge Maintenance, Safety and Management (IABMAS)

Foz do Iguacu, BRAZIL, JUN 26-30, 2016

Indexing

ISI Web of Knowledge - 0 Citations

Scopus - 2 Citations

Other information

Authenticus ID: P-00M-DEY

Abstract (EN): The structural response of reinforced concrete slabs in railway viaducts is strongly influenced by local effects and, therefore, detailed analysis methodologies are required for a proper quantification of the internal forces and stress values due to train passages. The existence of track irregularities can lead to a considerable amplification of these values. In this context, the influence of track irregularities in the global and local responses of a railway viaduct with a precast deck is evaluated in the present work. The dynamic responses are obtained based on three-dimensional finite-element numerical models of the viaduct and trains and using a train-bridge interaction methodology, including track irregularities. Particular attention is given to the comparison between the values of vertical acceleration of the upper deck slab and the girder, in terms of time records and the correspondent auto-spectra. © 2016 Taylor & Francis Group, London.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 1