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 2

The mixture proportions of concrete prepared and their 28 days of compressive strength.

Sample ID	Cement; (kg/m^3)	Sand; (kg/m^3)	Stone; (kg/m^3)	Water (kg/m^3)	Water-reducing admixture (kg/m^3)	28 days of compressive strength (MPa)
C30	300	766	1149	165	4.5	43.8
C40	350	729	1141	170	5.3	52.5
C50	400	690	1127	173	6.0	64.0