Evaluating in-service structural behaviour of an operational railway bridge using fibre optic sensing and structural model updating
Engineering Structures(2021)
摘要
•A prestressed concrete railway bridge was instrumented with fibre optic sensors.•Load distribution was evaluated based on the normalised curvature profiles.•Contribution of secondary element was inferred from the neutral axis positions.•Model-data comparison of moment envelopes was used to update boundary conditions.
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关键词
Prestressed concrete bridges,Fibre optic sensing,Structural behavior,Load distribution,Boundary conditions,Neutral axis,Model updating,Data-driven asset management
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