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Spatially variable seismic ground motions and their effect on cable-stayed bridges: The role of the tower.

 Spatially variable seismic ground motions and their effect on cable-stayed bridges: The role of the tower.
Autor(en): ,
Beitrag für IABSE Congress: Challenges in Design and Construction of an Innovative and Sustainable Built Environment, Stockholm, Sweden, 21-23 September 2016, veröffentlicht in , S. 1084-1091
DOI: 10.2749/stockholm.2016.1071
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This paper focuses on the effect of the spatial variability of the ground motion on the towers of cable-stayed bridges with typical span lengths equal to 200, 400 and 600m. For this work, seismic a...
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Bibliografische Angaben

Autor(en): (City University London, London, UK)
(City University London, London, UK)
Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Congress: Challenges in Design and Construction of an Innovative and Sustainable Built Environment, Stockholm, Sweden, 21-23 September 2016
Veröffentlicht in:
Seite(n): 1084-1091 Anzahl der Seiten (im PDF): 8
Seite(n): 1084-1091
Anzahl der Seiten (im PDF): 8
Jahr: 2016
DOI: 10.2749/stockholm.2016.1071
Abstrakt:

This paper focuses on the effect of the spatial variability of the ground motion on the towers of cable-stayed bridges with typical span lengths equal to 200, 400 and 600m. For this work, seismic analysis of the considered bridges is performed, accounting for the different components of the spatial variability namely: incoherence effect and wave passage effect. The response of the towers is examined under various wave propagation velocities. Finally, the discussion is extended to the effect of the angle of incidence of the seismic waves with respect to the axis of the bridge, presenting an extensive study on the seismic demand of the towers.

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