Table 4 Corrosion weight per unit length of different anchor bars for 6 months of corrosion.

pH	Corrosion weight per unit length (g cm⁻¹)
	No prestressing		24% stress level		36% stress level		48% stress level
	Measured value	Average value	Measured value	Average value	Measured value	Average value	Measured value	Average value
5.0	0.103	0.093	0.116	0.108	0.118	0.109	0.110	0.102
	0.087		0.108		0.110		0.100
	0.089		0.100		0.099		0.096
7.0	0.053	0.051	0.083	0.072	0.088	0.078	0.085	0.076
	0.052		0.068		0.074		0.072
	0.048		0.065		0.072		0.071
9.0	0.028	0.02	0.057	0.053	0.059	0.056	0.056	0.050
	0.017		0.053		0.056		0.050
	0.015		0.049		0.053		0.044

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