Development of Hybrid Braided Composite Rods for Reinforcement and Health Monitoring of Structures

Table 5

Fractional resistance change and average gauge factor of BCRs.

Cycle no.		1		2		3		4		Average GF
BCR type	Response	𝜀 (*10^−2)	Δ𝑅/𝑅	𝜀 (*10^−2)	Δ𝑅/𝑅	𝜀 (*10^−2)	Δ𝑅/𝑅	𝜀 (*10^−2)	Δ𝑅/𝑅
BCR1	Positive	0.48	0.10	0.48	0.11	0.48	0.12	0.48	0.12	23.4
	Negative	0.47	0.08	0.47	0.07	0.47	0.07	0.47	0.06	14.9
BCR2	Positive	0.48	0.04	0.48	0.02	0.48	0.01	0.48	0.01	4.2
	Negative	0.48	0.06	0.48	0.07	0.48	0.07	0.48	0.07	14.1
BCR3	Positive	0.55	0.02	0.55	0.01	0.55	0.01	0.55	0.01	2.3
	Negative	0.52	0.04	0.52	0.04	0.52	0.05	0.52	0.05	8.6