Reliability Monitoring of CFRP Structural Elements in Bridges with Fiber Optic Bragg Grating Sensors

作者: R. Bronnimann , Ph. M. Nellen , U. Sennhauser

DOI: 10.1177/1045389X9901000408

关键词:

摘要: Fiber optical sensors based on Bragg gratings were used to monitor the strain in suspension or prestressing CFRP (carbon fiber reinforced polymer) cables bridges. The either adhered surface of wires for cables, directly embedded during production process where load is closer limit. Tests two applications performed validate suitability sensing system. Results accumulated over three years a stay cable demonstrate reliability those sensors.

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