Microstructure Characteristics of GFRP Reinforcing Bars in Harsh Environment

Table 12

Summary of deteriorations identified by SEM in conditioned GFRP reinforcing bars.

Reference	Deterioration/Damages
	Matrix degradation	Fiber/matrix interface damage	Microcracks	Fiber etching and leaching
[8]	x	x	x
[9]	No deterioration reported
[10]	x	x	x
[11]	x	x	x
[12]	x	x	x
[13]	No deterioration reported
[14]	No deterioration reported
[15]	x	x	x	x
[23]	x	x	x
[42]	x	x
[24]	No deterioration reported
[25]	x	x	x
[26]	No deterioration reported
[27]	x	x	x
[28]	x	x	x	x
[29]	x	x	x
[30]	x	x	x
[31]	No deterioration reported
[32]	x	x	x
[33]	x	x	x
[34]	No deterioration reported
[35]	x	x	x
[36]	x	x	x	x
[37]	x	x	x
[38]	No deterioration reported
[39]	x	x	x
[44]	x	x	x
[45]	x	x	x
[46]	x	x	x	x
[47]	x	x	x
[49]	x	x	x
[50]	x	x	x	x
[51]	No deterioration reported