Investigating Efficiency of Vector-Valued Intensity Measures in Seismic Demand Assessment of Concrete Dams

Table 4

Dispersion of EDP|IM₁,IM₂. The upper and lower triangles show the dispersion values for the EDP as Δ_c and E_D, respectively.

IM1	IM2
	PGA	PGV	PGD	Sa(T1)	Sa(T2)	Sv(T1)	Sd(T1)	TD
PGA	—	0.414	0.443	0.198	0.297	0.451	0.445	0.463
PGV	0.881	—	0.457	0.202	0.295	0.434	0.437	0.463
PGD	0.936	0.939	—	0.202	0.300	0.520	0.522	0.573
Sa(T1)	0.455	0.452	0.452	—	0.201	0.202	0.202	0.203
Sa(T2)	0.773	0.738	0.766	0.441	—	0.297	0.296	0.301
Sv(T1)	0.969	0.912	1.044	0.454	0.776	—	0.594	0.592
Sd(T1)	0.955	0.909	1.036	0.454	0.771	1.099	—	0.590
TD	0.980	0.944	1.102	0.450	0.779	1.140	1.126	—