Regression Analysis of Bond Parameters between Corroded Rebar and Concrete Based on Reported Test Data

Table 3

Parameters of beam-end specimens.

References No.	Specimen size (mm)	Corrosion level (%)	(MPa)	(mm)	(mm)	No. of specimens	(mm)	Stirrup confinement	Reinforcement position	Test environment	Reinforcement type
[3]	150×150×1140	0.47–6.05	22.13	12	-	17	360/100	Yes	Bottom	Direct current	Plain bars
[6]	150×240×560	0–15.88	62.7	16, 12	50	39	10d	Yes	Bottom	Current density of 250uA/cm^2	Ribbed bars, plain bars
[10]	150×240×1260	0–4.63	-	20	50	6	200	Yes	Bottom	Wetting-drying cycle	Ribbed bars
[23]	200×120×980	0–10.04	30	18	30	10	140	Yes	Bottom	Wetting-drying cycle	Ribbed bars
[30]	125×160×1000	0.095–12.47	-	12	25	17	384/190	Yes	Bottom	Direct current	Ribbed bars
[37]	150×250×1200	0–20	33	20	40	16	150	Yes	Bottom	Wet-current density of 400uA/cm^2	Ribbed bars
[41]	150×250×360	Crack width control	20	16	25	6	160	Yes	Bottom	Direct current	Ribbed bars
[42]	150×240×1260	0–4.6	38.3	20	50	6	200	Yes	Bottom	Wetting-drying cycle 100mA	Ribbed bars
[43]	150×240×1260	0–17.141	30, 40, 50	16, 20, 25	15, 20, 25	36	10d	Yes	Bottom	Accelerated corrosion	Ribbed bars
[44]	150×250×320	0–4	25	16	30	6	120	Yes	Bottom	Accelerated corrosion	Ribbed bars
[45]	200×300×380	0–12	-	12, 16	-	9	300	Each half	Bottom	Current density of 200uA/cm^2	Ribbed bars
[46]	100×100×400	0–12.73	32.8	12	-	19	60	No	Bottom	Wetting-drying cycle current density	Ribbed bars
[47]	100×100×400	0–12.73	32.8	12	-	19	60	No	Bottom	Wetting-drying cycle current density	Ribbed bars
[48]	150×250×1200	0–20.86	30	20	40	18	150	Yes	Bottom	Current density of400uA/cm^2	Ribbed bars
[49]	203×457×2440	0–10	33, 35	25	-	10	2400	Yes	Bottom	Direct current (2.5–10 A)	Ribbed bars
[50]	100×150×1100	0–5	45	10	20	7	100	No	Bottom	Current density of 800uA/cm^2	Ribbed bars
[51]	150×240×600	0–10.28	36, 44.6, 52.7	20	30, 50	24	10d	Yes	Bottom	Wet-current density of 250uA/cm^2	Ribbed bars
[52]	150×240×600	0–2.06	36, 44.6, 52.7	20	30, 50	8	10d	Yes	Bottom	Wet-current density of 250uA/cm^2	Ribbed bars