Behavior of Strengthened Composite Prestressed Concrete Girders under Static and Repeated Loading

Table 2

Properties of the strands.

Nominal diameter, mm	Grade, MPa	Nominal area, mm^2	Breaking strength, kN	Modulus of elasticity, MPa	εy	εu
12.7	1860	98.7	183.7	190,000	0.01	0.03
15.24	1860	140	260.7	190,000	0.01	0.054