Application of the Microclamped Fiber Bragg Grating (FBG) Sensor in
To enable users to fabricate a force-measuring rock bolt by themselves, the microclamped FBG sensor is proposed to replace the encapsulated bare FBG sensor. A theoretical
Bolt axial force monitoring based on fiber grating technology
To better study the force variation patterns at different parts of the bolt body, the author proposes a rock bolt sensor detection system based on FBG technology.
Bolt axial force monitoring based on fiber grating technology
In this paper, a mine-used fiber Bragg grating anchor sensor technology is proposed.
Monitoring bolt load using an fiber optic sensor
The literature reveals diverse applications of fiber optic sensor in bolt tension monitoring, incorporating different fixation methods and demonstrating varied responses.
Anchor test and long-term monitoring of grouted anchors instrumented
This article deals with anchor tests instrumented with FBG deformation gauges of the root and the tendon of the pre-stressed strand anchor in a test field in the Central Bohemian Region.
(PDF) Strain-Sensing Mechanism and Axial Stress Response
A fiber-optic monitoring test platform of anchor bolt anchoring quality is built. The full-length anchor bolt''s strain evolution law and axial force distribution characteristics are...
Fiber grating anchor rod testing device
A fixed cylinder is installed under the main body of the fiber grating bolt test device, and a moving column is slidably connected to the inner side of the fixed cylinder.
Strain-Sensing Mechanism and Axial Stress Response
This paper proposes a new approach to detecting bolts'' anchoring qualities based on the fiber Bragg grating sensing principle. Moreover, it studies the strain transmission mechanism between the
Testing Mechanical Properties of Rock Bolt under Different Supports
To accurately understand the mechanical properties of prestressed anchor and non-prestressed anchor, this paper uses FBG technology to design the loading mode during the test according to the stress
Optical Power Meters & Sources
High-precision power meters (Ge/InGaAs) and stabilized light sources for insertion loss and return loss testing.
OTDR & Fiber Characterization
Full-featured OTDR, fiber OTDR testers, and modular OTDR test modules for network deployment and troubleshooting.
OSA & Eye Diagram Analyzer
High-resolution OSA for DWDM and eye diagram testers for signal integrity validation.
BERT & Endface Inspection
BERT up to 800G, fiber endface inspection probes, and extinction ratio meters for comprehensive testing.