Embankment Seismic Fragility Assessment under the Near-Fault Pulse-like Ground Motions by Applying the Response Surface Method

Table 4

Principal component analysis results of the structural parameters.

Calculation results	Normalized values	Principal components
		F1	F2	F3
Weight vectors	(X1)	0.156	−0.701	0.307
	(X2)	0.591	0.113	−0.198
	(X3)	0.062	0.798	−0.095
	(X4)	−0.043	0.884	0.113
	(X5)	0.238	0.170	0.817
	(X6)	−0.227	0.249	0.917
	(X7)	−0.114	0.182	−0.243
	(X8)	0.963	−0.048	−0.132
	(X9)	0.814	0.197	0.039
	(X10)	0.798	−0.201	0.135
	(X11)	0.208	0.198	−0.816
	(X12)	−0.109	0.234	0.295
Eigenvalues	6.274	3.128	1.574
Original information contribution rates	54.385%	29.667%	9.578%
Cumulative original information contribution rate	93.630%