PolyVinyliDene Fluoride (PVDF) Material Based Energy Harvesting from Train and Damaged Bridge Interaction

Abstract:

This paper investigates the potential use of PolyVinyliDene Fluoride (PVDF) for the purposes of damage detection for infrastructural elements, primarily for bridge elements. PVDF based sensors have been created and characterised in the laboratory in this regard. Finite element analysis of vehicle-bridge interactions with varying damage are carried out. The energy harvesting signatures of realistic trains are assessed and quantified for the modelled bridge. The effect of localized damage on the finite element model and its subsequent relationship with energy harvesting from the calibrated PVDF based sensors are investigated using the harvesting signatures of realistic trains. This approach is useful in terms of designing new generation smart bridge structures and for possible retrofit of existing structures. The use of train-bridge interaction ensures that the damage detection is carried out while the bridge is under operational conditions. Consequently, there is minimal to no impact on the existing operation of the bridge or the transport network during damage detection. The paper is expected to be useful for practicing engineers and researchers in the field of application of new materials in the next generation of bridge structures.

• Periodical: Key Engineering Materials (Volumes 569-570)
• Pages: 335-341
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.569-570.335
• Online since: July 2013
• Authors: Paul Cahill, Nathan Jackson, Alan Mathewson, Vikram Pakrashi
• Keywords: Finite Element Analysis (FEA), Piezoelectric, Structural Health Monitoring (SHM), Train-Bridge Interaction

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