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Identifying damage in honeycomb fiber-reinforced polymer (FRP) composite sandwich bridge decks

P.Z. Qiao and W. Fan,    Washington State University, USA

Abstract:

A strain energy-based damage identification method for plate-type structures is presented. The damage identification method employs a damage location factor matrix and a damage severity correction factor (DSCF) matrix for damage localization and quantification. An experimental modal test of an as-manufactured fiber-reinforced polymer sandwich deck panel is conducted in the laboratory to demonstrate the applicability and effectiveness of the proposed DSCF-based damage identification method. The composite deck panel at healthy and three damaged stages is tested using a surface-bonded ...

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