Pushover analysis for the seismic response prediction of cable-stayed bridges under multi-directional excitation

Cámara Casado, Alfredo y Astiz Suárez, Miguel Angel (2012). Pushover analysis for the seismic response prediction of cable-stayed bridges under multi-directional excitation. "Engineering Structures", v. 41 ; pp. 444-455. ISSN 0141-0296. https://doi.org/10.1016/j.engstruct.2012.03.059.

Descripción

Título: Pushover analysis for the seismic response prediction of cable-stayed bridges under multi-directional excitation
Autor/es:
  • Cámara Casado, Alfredo
  • Astiz Suárez, Miguel Angel
Tipo de Documento: Artículo
Título de Revista/Publicación: Engineering Structures
Fecha: 2012
Volumen: 41
Materias:
Escuela: E.T.S.I. Caminos, Canales y Puertos (UPM)
Departamento: Mecánica de Medios Continuos y Teoría de Estructuras
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

Cable-stayed bridges represent nowadays key points in transport networks and their seismic behavior needs to be fully understood, even beyond the elastic range of materials. Both nonlinear dynamic (NL-RHA) and static (pushover) procedures are currently available to face this challenge, each with intrinsic advantages and disadvantages, and their applicability in the study of the nonlinear seismic behavior of cable-stayed bridges is discussed here. The seismic response of a large number of finite element models with different span lengths, tower shapes and class of foundation soil is obtained with different procedures and compared. Several features of the original Modal Pushover Analysis (MPA) are modified in light of cable-stayed bridge characteristics, furthermore, an extension of MPA and a new coupled pushover analysis (CNSP) are suggested to estimate the complex inelastic response of such outstanding structures subjected to multi-axial strong ground motions.

Más información

ID de Registro: 13919
Identificador DC: http://oa.upm.es/13919/
Identificador OAI: oai:oa.upm.es:13919
Identificador DOI: 10.1016/j.engstruct.2012.03.059
URL Oficial: http://www.sciencedirect.com/science/article/pii/S0141029612001848
Depositado por: Memoria Investigacion
Depositado el: 19 Feb 2013 15:18
Ultima Modificación: 21 Abr 2016 13:21
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