Abstract
AbstractBolted joint is a critical component used in all engineering structures and industrial piping systems, including the petrochemical industry. Monitoring bolted joints structures are vital to ensure structural safety. In recent years, fiber Bragg grating (FBG) sensors are becoming more appealing for sensing technology in structural health monitoring due to their promising features. In contrast to conventional electrical sensors, FBG sensors have a relatively high potential to withstand harsh conditions and are suitable for long-term applications due to their miniature size, ability to multiplex, immune toward electromagnetic interferences (EMI), higher resolution and fast response. This article aims to provide a comprehensive overview of the experimental techniques applied for bolted joints health monitoring. Their relevant contributions for monitoring the degree of bolt looseness, bolt clamping force, bolt shear force and bolted flanges gap are also classified.KeywordsFiber Bragg gratingBolted joints monitoringStructural health monitoring
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