Microstructure Characteristics of GFRP Reinforcing Bars in Harsh Environment

Table 9

Summary of FTIR wavelengths detected in conditioned GFRP reinforcing bars.

Reference	Wavelength (cm^−1)
	O–H stretch	C=O stretch	C–H stretch	C–O stretch	O–H bend
[8]	3200–3650	—	2800–3000	—	—
[9]	3300–3600	1600–1800	2800–3100	1400–1600	900–1100
[10]	3200–3600	—	2800–3000	—	—
[11]	3200–3600	—	2800–3000	—	—
[13]	3300–3600	—	2800–3100	—	—
[14]	3300–3600	—	2800–3000	—	—
[23]	3200–3650	—	2800–3000	—	—
[24]	3300–3600	1600–1800	2800–3100	1400–1600	900–1200
[26]	3200–3500	—	2800–3000	—	—
[27]	3300–3600	—	2850–3100	—	—
[31]	3400	—	3026	—	—
[34]	3200–3400	—	2800–3100	—	—
[35]	3430	—	2900	—	—
[38]	3430	—	2900	—	—
[39]	3540	—	2900	—	—
[40]	3334	1557	2900	1420	1019