Bond-Slip Behavior of Basalt Fiber Reinforced Polymer Bar in Concrete Subjected to Simulated Marine Environment: Effects of BFRP Bar Size, Corrosion Age, and Concrete Strength

Table 5

Parameters of bond-slip behavior of the BFRP bars in concrete with different strength grade.

Corrosion age	Concrete strength	(MPa)	(mm)	(MPa)	(mm)
0 days	C30	22.5	3.5	1.2	9.2
	C40	23.0	3.2	4.0	8.8
	C50	23.5	2.8	3.9	8.5
90 days	C30	21.5	3.1	1.1	10.0
	C40	22.4	2.6	3.8	8.2
	C50	22.6	2.2	4.4	7.9