Long-Term Monitoring Reliability and Life Prediction of Fiber Bragg Grating-Based Self-Sensing Steel Strands

Table 3

Durability test results.

Specimen number	I-01	I-02	I-03	I-04	I-05	II-01	II-02	II-03	II-04	II-05
pH value	7	1.08	0.71	0.58	0.56	7	1.08	0.71	0.58	0.56
Failure time (h)	—	912	528	480	408	—	816	504	456	396