Seismic Behavior of Corroded RC Bridges: Review and Research Gaps

Table 1

Maximum and minimum critical chloride content based on 32 experimental works reviewed by [11] compared with proposed by ACI codes.

	Maximum-minimum
	from steel embedded in cement based material			real structures	⁢ from the steel directly immersed in solution
	Total % binder weight	ratio	Free (mol/L); % bw	Total (% bw)	ratio	Free (mol/L)
	0.04–8.34	0.09–45	0.045–4; 0.07–1.16	0.1–1.96	0.01–4.9	0.0056–0.42
expressed as total chloride content relative to cement weight proposed by various ACI documents for prestressed RC structures in service
ACI documents	ACI 357			ACI 222	ACI 201
expressed as % binder weight	0.06			0.08	Not stated
	0.1			0.2	0.1