Improving the Structural Reliability of Steel Frames Using Posttensioned Connections

Table 3

Mean annual rate of exceedance values when the damage index is equal to one in terms of I_Dmax for the MRSFs and in terms of I_Dres for the PTC steel frames.

Steel frame	MARE for IDmax = 1	Steel frame	MARE for IDres = 1	Ratio
F4	0.00024	F4	0.00019	0.79
F6	0.00046	F6	0.00024	0.52
F8	0.00089	F8	0.00057	0.64
F10	0.00067	F10	0.00072	1.07