Relating Corroded Seven-Strand, Posttensioned Cable Cross-Sectional Properties to Load Capacity

Table 1

Best-fit curve properties for single wire area and minimum second-moment short axis diameter, respectively.

Method	⁢Minimum wire area (all samples)			Minimum wire diameter (all samples)
	Min. area range capacity for wire area of 0 mm^2 (kN)	Max. area range capacity for wire area of 20.27 mm^2 (kN)		Min. diameter range capacity for wire diameter of 0 mm (kN)	Max. diameter range capacity for wire diameter of 5.08 mm (kN)
Linear	66.109	297.35	0.85	−6.19	286.67	0.89
Poly; Order 2	18.75	273.66	0.9	−39.54	279.13	0.89
Poly; Order 3	19.73	273.94	0.9	44.12	273.84	0.9
Power	0	291.95	0.9	0	291.63	0.87