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' CALCULATION OF WEIGHTED AVERAGE 2008 NGA MODELS: by Linda Al Atik,PEER-Sep,2009-I atfk@berkeley.edu Fault Name: Great Valley Segment This Excel file calculates the weighted average of the natural logarithm of the spectral values from the NGA models ' NGA ModWeight:el: AS08 BA08 CB08 CY08 108 ASOB:Abrahamson d Silva 2008 NGA Model BA08:Boone 6 Atkinson 2008 NGA Mode] N CBOB:Campbell d Bozorgnia 2008 NGA Model CY08:Chi-S Youngs 2008 NGA Model ' 108:Idriss 2008 NGA Model Explanatory Variables Geometric Mean Horizontal Component GMP T(s) SA Median SA Median+Na SA Median-Na SO Median 5%-Damped PseudoAbsohrte Acceleration Response Spectrum PSA(g) 0.010 5.594E-01 9.728E-01 3.217E-01 1.389E-03 to SO(cm) 0.020 5.723E-01 9.948E-01 3.292E-01 5.682E-03 ;pun( 0.030 6.083E-01 1.063E+00 3.482E-01 1.359E-02 LIQ 0.060 6.739E-01 1.171E+00 3.877E-01 4.182E-02 0.075 8.114E-01 1.414E+00 4.656E-01 1.133E-01 t .ue 0.10 9.692E-01 1.707E+00 5.502E-01 2.406E-01 1.20 0.15 1.236E+00 2.240E+00 6.819E-01 6.903E-01 010 1.340E+00 2.491E+00 7.203E-01 1.330E+00 ' Rx(km) 0.25 1.292E+00 2.413E+00 6.922E-01 2.005E+00 0.1 1.20 O.JO 1.189E+00 2.230E+00 6.342E-01 2.657E+00 0.40 9.783E-01 1.843E+00 5.192E-07 3.886E+00 U 0.50 7.767E-01 1.471E+00 4.102E-01 4.820E+00 _2h,4 0 0.75 4.772E-01 9.098E-01 2.502E-01 6.663E+00 m 0.01 1.0 3.271E-01 6.273E-01 1.705E-01 8.119E+00 Fav 1.5 1.754E-01 3.381E-01 9.101E-02 98E+00 9.7 1 2.0 1.104E-01 2.138E-01 5.705E-02 1.097E+01 0 3. 5.571E-02 1.084E-01 2.863E-02 1.245E+01 Fxx 4.0 3.347E-02 6.535E-02 1.714E-02 1.329E+01 0.001 0.01 0.1 t to 0 5.0 2.262E-02 4.476E-02 1.143E-02 1.404E+01 Period(s) 7.51.781E-02 2.403E-02 5.809E-03 1.650E+01 F 10.0 6.646E-03 1.378E-02 3.204E-03 1.650E+01 1 u roR PGA(g) O 0.586 9.673E-01 3.190E-01 ' 7.0 PGV(ds) -1 3.794E+01 6.682E+01 2.155E+01 S 15 sso 760 Fnr.0 0 (m) DEFAULT DEFINITION OF PARAMETERS: Z,.(k-) N =Number of standard deviations to be considered in the calculations DEFAULT PSA =Pseudo-absotute acceleration response spectrum(g;5%damping) PGA =Peak ground acceleration(g) W(km) PGV =Peak ground velocity(cm/s) 10.04 SO =Relative displacement response spectrum(cm;5%damping) Moment magnitude Fns -Closest distance to coseismic rupture(km),used in ASOB,CB08 and CY08.See Figures a,b and c for illustabon 0Ry -Closest distance to surface projection of coseismic rupture(km).See Figures a,b and c for illustation ' =Horizontal distance from top of rupture measured perpendicular to fault strike(km),used in ASO8 and CY08.See Figures a,b and c for illustation Taper U =Unspecified-mechanism factor:1 for unspecified;0 otherwise,used in BA08 1 =Reverse-faulting factor:0 for strike slip,normal,normal-oblique;t for reverse,reverseoblique and thrust fx =Normal-faulting factor:O for strike slip,reverse,reverse-oblique,thrust and normal-oblique;1 for normal Frw. =Hanging-welt factor:1 for site on down-dip side of top of rupture;0 otherwise,used in AS08 and CY08 Z roe =Depth to top of coseismic rupture(km),used in AS08,CB08 and CY08 ' =Average dip of rupture plane(degrees),used in AS08,CB08 and CY08 =Average shear-wave velocity in top 30m of site profile =Vs30 Factor:1 if VS30 is measured,0 if Vs30 is inferred,used in AS08 and CY08 =Depth to 1.0 kndsec velocity horizon(m),used in AS08 and CY08.Enter'DEFAULT"in order to use the default values or enter your site specific number ' Zt,s =Depth of 2.5 kmis shear-wave velocity horizon(km),used in CB08.Enter"DEFAULT"in order to use the default value or enter your site specific number = Fault rupture width(km),used in AS08 Aftershock factor:0 for mainshock;1 for aftershock,used m ASOS and CY08 =To choose the hanging wall taper to be used in AS08.Enter 0 to use the hanging wall taper as published in Abrahamson and Silva(2008), or enter 1 to use the revised hanging wall taper suggested by Norm Abrahamson