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 4

The parameters of bond-slip behavior of BFRP bars with different size in concrete specimens.

Size of BFRP bars	Age of corrosion; (days)	(MPa)	(mm)	(MPa)	(mm)
Ф 8 mm	0	22.5	3.5	1.2	9.2
	90	20.8	2.9	7.6	7.5
Ф 20 mm	0	21.8	3.3	1.1	9.3
	90	20.6	2.6	7.0	6.9
Ф 25 mm	0	21.5	3.1	1.1	10.0
	90	20.0	2.5	6.4	6.7