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Seismic Isolator, Damper and Expansion Joint System for two Viaducts of Toluca – Mexico City Intercity Train

 Seismic Isolator, Damper and Expansion Joint System for two Viaducts of Toluca – Mexico City Intercity Train
Auteur(s): ,
Présenté pendant IABSE Symposium: Tomorrow’s Megastructures, Nantes, France, 19-21 September 2018, publié dans , pp. S4-1
DOI: 10.2749/nantes.2018.s4-1
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The Toluca–Mexico City Intercity Train will connect the metropolitan areas of Toluca with Mexico City. The seismic condition of max. 0,77 g for 1 s structural period represents a major challenge fo...
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Détails bibliographiques

Auteur(s): (MAURER SE, Munich, Germany)
(MAURER SE, Munich, Germany)
Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Symposium: Tomorrow’s Megastructures, Nantes, France, 19-21 September 2018
Publié dans:
Page(s): S4-1 Nombre total de pages (du PDF): 8
Page(s): S4-1
Nombre total de pages (du PDF): 8
DOI: 10.2749/nantes.2018.s4-1
Abstrait:

The Toluca–Mexico City Intercity Train will connect the metropolitan areas of Toluca with Mexico City. The seismic condition of max. 0,77 g for 1 s structural period represents a major challenge for two of the longer viaducts - namely Viaduct 2 and Viaduct 4 - with a total length of 3,8 km and 1,4 km respectively. Strengthening design of the structural members was technically not possible anymore even knowing that it also would not be economical. The applied longitudinal seismic isolation, lateral guiding and damping system according to EN1998 and EN15129 will significantly reduce the longitudinal forces by approx. factor three to five in combination with reasonable displacements of the decks. The final goal of lesser total structural cost as well as ensuring the safety of the structures and its functionality after seismic events was achieved.

Mots-clé:
Joint de dilatation

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