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Effects of Structural Deterioration and Infrastructure Upgrading on the Life-cycle Seismic Resilience of Bridge Networks

 Effects of Structural Deterioration and Infrastructure Upgrading on the Life-cycle Seismic Resilience of Bridge Networks
Auteur(s): ,
Présenté pendant IABSE Conference: Engineering the Developing World, Kuala Lumpur, Malaysia, 25-27 April 2018, publié dans , pp. 340-347
DOI: 10.2749/kualalumpur.2018.0340
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The life-cycle seismic resilience of aging bridges and road transportation networks is investigated considering the long-term effects of bridge structural deterioration and network upgrading interv...
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Détails bibliographiques

Auteur(s): (Department of Civil and Environmental Engineering, Politecnico di Milano, Italy)
(Department of Civil and Environmental Engineering, Politecnico di Milano, Italy)
Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Conference: Engineering the Developing World, Kuala Lumpur, Malaysia, 25-27 April 2018
Publié dans:
Page(s): 340-347 Nombre total de pages (du PDF): 8
Page(s): 340-347
Nombre total de pages (du PDF): 8
DOI: 10.2749/kualalumpur.2018.0340
Abstrait:

The life-cycle seismic resilience of aging bridges and road transportation networks is investigated considering the long-term effects of bridge structural deterioration and network upgrading interventions under uncertainty. The proposed methodology is applied to a highway network with spatially distributed reinforced concrete (RC) bridges exposed to chloride-induced corrosion and different earthquake scenarios. A new road segment including a bridge is added over the lifetime to strengthen the network connectivity and improve the system resilience. The results show the detrimental effects of structural deterioration at the network scale and the benefits of infrastructure investments for network upgrading to enable long-term resilient infrastructures.

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