Chiou and Youngs PEER-NGA Empirical Ground Motion Model for ...

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Amplification w.r.t. Vs30 = 1130 m/sec 0.09 0.10 0.20 0.40 0.701.00 2.00 4.00 7.00 0.01 Sec; PEA 2004 l ll l ll ll ll l l lllll l l l lll l lll ll llllll ll l l llllll l l ll ll l ll lllllllllll l lll lllll ll ll l l lllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll ll l l l llll ll llllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll ll ll l lll l lllllllllllllllllllllllllllllllllllllllll lllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll l l ll l l llll lll l lllllllllllllllllllllllllllll l l l l lllllll lllllllllllllllllllllll l l llllllll lllllllllll ll l lllllll lllllllllllllllllllllllllllllllllll llllll llllll l l lllll ll l lll llll l lll l ll ll lll lllllllllll l lllllllllllll lll l l l l l lll ll ll l lllll llll lll l ll l lll l ll lll l l l l l l ll lll l l l 0.01 0.02 0.04 0.07 0.10 0.20 0.40 0.70 1.00 2.00 Sa (g) on Rock (Vs30 = 1130 m/sec) 150 m/sec 270 m/sec 560 m/sec 750 m/sec 1130 m/sec Motion on Reference Condtion C&Y2006 Page 55 Amplification Factor 0.09 0.10 0.20 0.40 0.701.00 2.00 4.00 7.00 150 m/sec 270 m/sec 560 m/sec 750 m/sec 1130 m/sec 0.01 Sec; Choi and Stewart, 2005 0.01 0.02 0.04 0.07 0.10 0.20 0.40 0.70 1.00 2.00 Figure 38a: Nonlinear site amplification predicted by ground motion model developed in this study compared to those computed by Silva (2004) – on left, and Choi and Stewart – on right, for spectral period of 0.01 seconds (pga). Amplification w.r.t. Vs30 = 1130 m/sec 0.09 0.10 0.20 0.40 0.701.00 2.00 4.00 7.00 0.2 Sec; PEA 2004 150 m/sec 270 m/sec 560 m/sec 750 m/sec 1130 m/sec l l l l l l ll l ll l llll ll l llll l l lll llll lllllll l lllll l ll ll lll l lllllll ll l l l l ll ll l lll lll l llll ll l l l ll l ll l lll l llllll l ll l l l lllll ll lll ll lllll llllllllllllllllllllllllllllllll ll lllllllllllllllllllllllllllllllllll l l l ll l lllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll llllllllll lll lllllllllllllllllllllllllllllllllllllllllllllllllllllllll l lllllllllll lll l l l ll ll l l llll l l llllllll lllllllllllllllllllllllllllllll lll lllllllllllllllllllllllllllllllllllllllllllllll llllllllllllll lllllllllllllllllll l ll l ll lllllll lllllllll lllllll ll llllllllllllll l l llll l llllllllllllllll llll llllllllllll l lllllll ll lll l l llllllllll l ll lll ll lllll ll lllll l ll llll lll l l llll l ll l l lll l ll l l ll l l l llll lll ll l l l lll l l lllll l ll l l l l l l l l l l l l 0.01 0.02 0.04 0.07 0.10 0.20 0.40 0.70 1.00 2.00 Sa (g) on Rock (Vs30 = 1130 m/sec) Amplification Factor 0.09 0.10 0.20 0.40 0.701.00 2.00 4.00 7.00 150 m/sec 270 m/sec 560 m/sec 750 m/sec 1130 m/sec 0.2 Sec; Choi and Stewart, 2005 0.01 0.02 0.04 0.07 0.10 0.20 0.40 0.70 1.00 2.00 Motion on Reference Condtion Figure 38b: Nonlinear site amplification predicted by ground motion model developed in this study compared to those computed by Silva (2004) – on left, and Choi and Stewart – on right, for spectral period of 0.2 seconds. Amplification w.r.t. Vs30 = 1130 m/sec 0.09 0.10 0.20 0.40 0.701.00 2.00 4.00 7.00 1 Sec; PEA 2004 l l l ll lll l ll llllll lll l ll l l ll lll l ll lllllll ll llllllll llllllll l lllllllllll ll llll l llll lllllllllllll l l l lllll lll lllllllll l ll l lllllllllllllllll l ll lllll l ll ll ll l llllllllllllllll llllllllllllllllllllllllll l l llllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll lllllllllllllllllllllllllllll l l l l ll llllllll l l lllllllllllllllllllllllllllllll lllllll l lllll lllllll lllllllllllllllllllll llllllllllllllllllll l ll lll lllllllllll lll l l llll lllllllllllllllllll lll l llllll l ll llll ll l lllllllll l l llllllll l lllllll l ll llll llllllll lll lll lll lllll ll l llllll l lll l lllll l ll l llll l ll lll l lllll l l l l ll lllll l l l l l l l l l 150 m/sec 270 m/sec 560 m/sec 750 m/sec 1130 m/sec 0.01 0.02 0.04 0.07 0.10 0.20 0.40 0.70 1.00 2.00 Sa (g) on Rock (Vs30 = 1130 m/sec) Amplification Factor 0.09 0.10 0.20 0.40 0.701.00 2.00 4.00 7.00 150 m/sec 270 m/sec 560 m/sec 750 m/sec 1130 m/sec 1 Sec; Choi and Stewart, 2005 0.01 0.02 0.04 0.07 0.10 0.20 0.40 0.70 1.00 2.00 Motion on Reference Condtion Figure 38c: Nonlinear site amplification predicted by ground motion model developed in this study compared to those computed by Silva (2004) – on left, and Choi and Stewart – on right, for spectral period of 1.0 seconds.
Amplification w.r.t. Vs30 = 1130 m/sec 0.09 0.10 0.20 0.40 0.701.00 2.00 4.00 7.00 llll l l llllll lll ll l lllllll llll l lllllll lllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll llllllllll lllllllllllllllllllllllll lll l ll l lllllllllllllllll ll ll l l l l l lllll llllll lllllll lllllllllllll l llll llll l lll ll ll ll lll ll lllll ll llllllllllll l lll lllllll l ll l l lll l llllllll l l l l l lll ll l lllll ll l ll l l lll l l l lllll lll ll l l l l l l l l l l l l l l 3 Sec; PEA 2004 0.01 0.02 0.04 0.07 0.10 0.20 0.40 0.70 1.00 2.00 Sa (g) on Rock (Vs30 = 1130 m/sec) 150 m/sec 270 m/sec 560 m/sec 750 m/sec 1130 m/sec Motion on Reference Condtion C&Y2006 Page 56 Amplification Factor 0.09 0.10 0.20 0.40 0.701.00 2.00 4.00 7.00 150 m/sec 270 m/sec 560 m/sec 750 m/sec 1130 m/sec 3 Sec; Choi and Stewart, 2005 0.01 0.02 0.04 0.07 0.10 0.20 0.40 0.70 1.00 2.00 Figure 38d: Nonlinear site amplification predicted by ground motion model developed in this study compared to those computed by Silva (2004) – on left, and Choi and Stewart – on right, for spectral period of 3.0 seconds. Comparison with Previous Model: Figures 39 and 40 compare the response spectra predicted by the ground motion model developed in this study with response spectra predicted by the models developed by Sadigh et al. (1997). The comparisons require an assessment of VS30 representative of the Sadigh et al. (1997) relationships. For soil, we have used a value of 310 m/s, the velocity suggested by Boore et al. (1997) as representative of generic soil. For generic rock, Boore et al. (1997) suggested a value of 620 m/s. However, we think that this may be higher than the average for the data used by Sadigh et al. (1997), which included recordings from many site that are now classified as NEHRP C. Therefore, we selected a velocity of 520 m/s for purpose of making the comparisons. Figures 41, 42, 43, and 44 provide comparisons of the magnitude and distance scaling for the two models. The model developed in this study produces ground motion estimates than are in general similar to those obtained using the Sadigh et al. (199&) model. The new model tends to produce lower ground motions in the distance range of 10 to 50 km and larger ground motions at larger distances. The models are more similar for soil than for rock, which is to be expected given that the majority of ground motion data is recorded on soil sites.
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Chiou and Youngs PEER-NGA Empirical
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data are consistent with strong mot
Page 5 and 6: Figure 1: Magnitude-distance-region
Page 7 and 8: Figure 2: Empirical ground motion d
Page 9 and 10: EQID Earthquake M Table 3: Inferred
Page 11 and 12: Site Average Shear Wave Velocity: A
Page 13 and 14: Figure 6: Relationship between VS30
Page 15 and 16: 1 ) ∝ C2 × M + ( C2 − C ) × l
Page 17 and 18: Figure 9: Peak acceleration data fr
Page 19 and 20: C4+C5M slowly and the value of the
Page 21 and 22: allows the interpretation of the co
Page 23 and 24: Figure 13: Coefficients resulting f
Page 25 and 26: the top of rupture located at x = 0
Page 27 and 28: Figure 18: Intra-event residuals fo
Page 29 and 30: Figure 21: Variation of HW* with ma
Page 31 and 32: The interpretation of the parameter
Page 33 and 34: to the PEER-NGA pga data selected f
Page 35 and 36: EFFECT OF DATA TRUNCATION The initi
Page 37 and 38: term [ 1 Φ( y ( θ ) + τ ⋅ z ,
Page 39 and 40: Table 4: Estimate of Anelastic Atte
Page 41 and 42: data truncated at a maximum distanc
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Page 45 and 46: Slope -1.5 -1.0 -0.5 0.0 0.5 1.0 0.
Page 47 and 48: C&Y2006 Page 46 Table 5: Coefficien
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Page 51 and 52: esid 1 0 -1 -2 resid resid 1 0 -1 -
Page 53 and 54: esid resid resid 1 0 -1 -2 1 0 -1 -
Page 55: esid 2 1 0 -1 -2 SCEC Version 2 0 2
Page 59 and 60: Sa(g) Sa(g) 10 1 0.1 0.01 10 1 0.1
Page 61 and 62: Sa (g) Sa (g) 1 0.1 0.01 0.001 0.00
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Page 65 and 66: EXAMPLE CALCULATIONS FORTRAN routin
Page 67 and 68: Table 6: Example Calculations Perio
Page 69 and 70: REFERENCES Abrahamson, N.A., and Si
Page 71 and 72: Frankel, A., A. McGarr, J. Bicknell
Page 73 and 74: Appendix A Recordings from PEER-NGA
Page 75 and 76: RSN EQID Earthquake M Station No, S
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RSN EQID Earthquake M Station No, S
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Appendix B Estimation of Distance a
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Figure B-2: Data for aspect ratio v
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Probability . 0.18 0.16 0.14 0.12 0
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Appendix C Estimation of Vs30 at CW
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Percent of Total 50 40 30 20 10 0 G
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Vs30 (m/sec) 1400 1200 1000 800 600
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Figure D-1. Epicenter distribution
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PSA (g) 10^-1 10^-2 10^-3 10^-4 10^
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PSA (g) 10^-1 10^-2 10^-3 10^-4 10^
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PSA (g) 10^-1 10^-2 10^-3 10^-4 10^
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PSA (g) 10^-1 10^-2 10^-3 10^-4 10^
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PSA (g) 10^-1 10^-2 10^-3 10^-4 10^
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PSA (g) 10^-1 10^-2 10^-3 10^-4 10^
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T0.010S 1 0.1 0.01 1 0.1 0.01 1130
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T0.010S 1 0.1 0.01 1 0.1 0.01 1130
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T1.000S 1 0.1 0.01 0.001 1 0.1 0.01
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T1.000S 1 0.1 0.01 0.001 1130 m/s 5
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T3.000S 0.1 0.01 0.001 0.1 0.01 0.0
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