Analysis of Tools to Evaluate Chloride Threshold for Corrosion Onset of Reinforced Concrete in Tropical Marine Environment of Yucatán, México

Table 3

Equation and regression coefficient (𝑅) to calculate chloride threshold. Data using 𝑖_mean and 𝑖_accum.

	w/c ratio	Equation	R
Extracted with 𝑖mean	0.46	log𝑖mean=−0.230+1.83log(%Cl)	0.69
	0.53	log𝑖mean=−0.742+1.49log(%Cl)	0.70
	0.59	log𝑖mean=−0.380+2.45log(%Cl)	0.90
	0.70	log𝑖mean=−0.030+2.18log(%Cl)	0.93
	0.76	log𝑖mean=−0.016+1.85log(%Cl)	0.92
Extracted with 𝑖accum	0.46	log𝑖accum=0.451+2.42log(%Cl)	0.70
	0.53	log𝑖accum=−0.061+2.32log(%Cl)	0.80
	0.59	log𝑖accum=0.042+3.41log(%Cl)	0.94
	0.70	log𝑖accum=0.282+3.12log(%Cl)	0.96
	0.76	log𝑖accum=0.205+2.98log(%Cl)	0.93