This paper proposes a new approach to detecting bolts' anchoring qualities based on the fiber Bragg grating sensing principle. A fiber-optic monitoring test platform of anchor bolt. Glass fiber-reinforced polymer (GFRP) bolts have been widely used in some applications of grouted anchors because of the advantages of better resistance to corrosion, high strength-to-weight ratio, low electromagnetic properties, and so on. Continuous dynamic monitoring of the internal force distribution in a high-precision roadway bolt support structure. The Fiber Optic Smart Bolt is an intelligent structural component that utilizes Fiber Bragg Grating (FBG) technology to measure internal strain through spectral variations. It enables real-time monitoring of bolt preload, deformation, loosening, fatigue, and other key parameters. Passive operation. This paper presents a new self-sensing anchor with embedded optical fibers (made using an improved stirrer) and proposes an intelligent tunnel rock monitoring system.
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