Yonghong Wang, Junwei Liu, Mingyi Zhang, Chunwei Zhang, Mingming Wang, Guoxiao Zhao. Test on Axial Force of Double-Walled Mode Pipe Pile Based on Fiber Bragg Grating[J]. Laser & Optoelectronics Progress, 2018, 55(11): 110605
- Laser & Optoelectronics Progress
- Vol. 55, Issue 11, 110605 (2018)
Fig. 1. Working principle diagram of FBG sensors
Fig. 2. FBG sensor and strain gauge installation of mode pipe pile
Fig. 3. Loading test system
Fig. 4. Strain pulses detected by internal tube strain gauge
Fig. 5. Strain pulses detected by internal tube FBG sensor
Fig. 6. Strain pulses detected by external tube strain gauge
Fig. 7. Strain pulses detected by external tube FBG sensor
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Table 1. Comparison between measurement results and theoretical results of strain gauge sensor and FBG sensor
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