Fiber Bragg Grating Monitoring of Full-bolt Axial Force of the Bolt in the Deep Strong Mining Roadway.

Sensors (Basel) · 2020 · PMC7435585 · PMID 32751475

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an increasing trendno p-value reported

From the calibration data in Figure 8 , it can be seen that, with the increase of the applied axial force, the wavelength values of channels 1 to 10 on the FBG force-measuring bolt exhibit an increasing trend.

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