Skip to main content

Table 3 Variation reduction in the variance (R σ ) in % for the 12 ANN models for PGA, PGV and at T = [0.2, 0.5, 1.0, 2.0] s

From: V S30, slope, H 800 and f 0: performance of various site-condition proxies in reducing ground-motion aleatory variability and predicting nonlinear site response

Ground-motion parameters (log10) One SCP (log10) Two SCPs (log10) Three SCPs (log10) Four SCPs (log10)
V S30 f 0 H 800 Slope (V S30, f 0) (V S30, H 800) (f 0, slope) (H 800, slope) (f 0, H 800) (V S30, slope) (V S30, f 0, H 800) (V S30, f 0, H 800, slope)
PGA 1.46 0.00 0.28 0.33 1.50 4.88 0.97 1.94 1.88 1.89 5.73 6.23
PGV 13.44 8.26 5.08 4.00 13.97 13.83 10.07 7.37 9.09 14.27 16.03 16.70
0.2 s 10.78 4.04 1.88 2.09 10.35 12.02 5.72 3.53 5.17 11.18 13.41 13.87
0.5 s 22.81 19.31 14.69 2.58 26.49 23.12 18.86 14.79 21.32 21.85 27.21 26.32
1 s 17.72 24.27 18.72 7.35 25.96 19.87 25.34 21.55 26.36 19.37 26.13 26.72
2 s 16.60 20.33 18.28 7.82 23.26 19.61 21.85 22.20 23.66 18.72 24.12 25.13