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 3

The parameters of bond-slip curves of the BFRP bars in concrete specimens after different corrosion ages.

Size of BFRP bars	Age of corrosion; (days)	(MPa)	(mm)	(MPa)	(mm)
Ф 8 mm	0	22.5	3.5	1.2	9.2
	60	20.8	2.9	7.6	7.5
	90	20.0	2.0	11.0	5.6
Ф 25 mm	0	21.5	3.1	1.1	10.0
	60	20.0	2.5	6.4	6.7
	90	17.8	1.7	8.1	5.2