Long-Term Monitoring Reliability and Life Prediction of Fiber Bragg Grating-Based Self-Sensing Steel Strands
作者： Heying Qin , Quanxi Shen , Jinping Ou , Wanxu Zhu
DOI: 10.1155/2020/7687039
关键词:
摘要: To analyze the long-term monitoring reliability and life expectancy of FBG-based steel strands, accelerated corrosion tensile tests were carried out a life-prediction model was constructed. The validation test results indicated that strain sensitivity strands decreases with an increase in solution concentration time corrosive acidic environment. When dropped to about 80% its initial value, FBG sensor suddenly failed. indicates predicted is 56 years unstressed condition but 27 under stressful conditions are subjected their working So, improve life, it suggested might be prepared by “pre-loading.”
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