Experimental Study on Bond Performance and Damage Detection of Corroded Reinforced Concrete Specimens

Table 4

The expression of the ultimate bonding strength and corresponding parameter.

Equation corrosion rate			Equation cover thickness			Equation stirrup ratio
	aτ	bτ		aτ	bτ		aτ	bτ
-35-0	−11.68	9.32	C0-c/d-0	2.79	4.15	C0-35-ρsv	33.98	8.75
-35-150	−12.67	9.71	C0-c/d-150	2.55	4.98	C0-45-ρsv	46.12	8.91
-35-100	−13.83	10.06	C0-c/d-100	2.71	5.08	C0-55-ρsv	32.21	11.48
-45-0	−12.93	10.1	C7-c/d-0	1.59	5.84	C7-35-ρsv	33.07	7.85
-45-150	−10.23	10.8	C7-c/d-150	2.31	4.65	C7-45-ρsv	23.51	9.2
-45-100	−11.18	10.8	C7-c/d-100	2.62	4.46	C7-55-ρsv	81.32	8.65
-55-0	−14.59	11.76	C15-c/d-0	2.31	3.27	C15-35-ρsv	18.3	7.28
-55-150	−14.23	12.22	C15-c/d-150	2.31	3.67	C15-45-ρsv	54.86	6.96
-55-100	−9.99	12.65	C15-c/d-100	3.27	2.07	C15-55-ρsv	70.5	8.43