Fatigue Damage Estimation in Existing Railway Steel Bridges by Detailed Loading History Analysis | Zendy

Alessio Pipinato | Zendy; Carlo Pellegrino | Zendy; Claudio Modena | Zendy

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Fatigue Damage Estimation in Existing Railway Steel Bridges by Detailed Loading History Analysis

Author(s) -

Alessio Pipinato,

Carlo Pellegrino,

Claudio Modena

Publication year - 2012

Publication title -

isrn civil engineering

Language(s) - English

Resource type - Journals

eISSN - 2090-5114

pISSN - 2090-5106

DOI - 10.5402/2012/231674

Subject(s) - train , structural engineering , service life , service (business) , key (lock) , reliability (semiconductor) , computer science , forensic engineering , engineering , estimation , function (biology) , reliability engineering , business , computer security , power (physics) , physics , cartography , systems engineering , marketing , quantum mechanics , geography , evolutionary biology , biology

Fatigue life estimation of metal historical bridges is a key issue for managing cost-effective decisions regarding rehabilitation or replacement of existing infrastructure. Because of increasing service loads and speeds, this type of assessment method is becoming relevant. Hence there is a need to estimate how long these structures could remain in service. In this paper a method to estimate fatigue damage in existing steel railway bridges by detailed loading history analysis is presented. The procedure is based on the assumption that failure probability is a function of the number of predicted future trains and the probability of failure is related to the probability of reaching the critical crack length.

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