Life-Cycle Seismic Fragility Assessment of Existing RC Bridges Subject to Chloride-Induced Corrosion in Marine Environment

Table 1

Statistical parameters for corrosion coefficients in the Duracrete model.

Parameter	Distribution type	Atmospheric		Splash		Tidal		Submerged
		Mean	Std.	Mean	Std.	Mean	Std.	Mean	Std.
	Normal	220	25.4	220	25.4	220	25.4	220	25.4
	Normal	315.6	32.5	315.6	32.5	315.6	32.5	315.6	32.5
	Normal	473	43.2	473	43.2	473	43.2	473	43.2
	Beta (A = 0.0, B = 0.98)	0.362	0.245	0.362	0.245	0.362	0.245	0.362	0.245
	Normal	2.565	0.356	7.758	1.36	7.758	1.36	10.348	0.714
	Normal	0	0.58	0	1.105	0	1.105	0	0.405
	Normal	0.9	0.15	0.9	0.15	0.9	0.15	1.6	0.2
	Normal	0.832	0.024	0.832	0.024	0.832	0.024	0.832	0.024
	Gamma	0.676	0.114	0.265	0.045	0.924	0.155	0.325	0.223
	Beta (A = 1.0, B = 4.0)	2.4	0.7	2.4	0.7	2.4	0.7	2.4	0.7
	Beta (A = 1.0, B = 4.0)	1.5	0.3	1.5	0.3	1.5	0.3	1.5	0.3
	Determined value	1	-	1	-	1	-	1	-
	Beta (A = 0.4, B = 1.0)	0.8	0.1	0.8	0.1	0.8	0.1	0.8	0.1