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CALCULATION OF WEIGHTED AVERAGE 2008 NGA MODELS: by Linda At Attic,PEER-Sep,2009-/_alikgberkeley.edu ' Fautt Name: Greenvillle Fault Zone 7hts Excel file calculates the weighted average of the natural logarithm of the spectral values from the NGA models NOAModcl: AS0& BA08 CBO8 CY08 108 Weight: AS08:Abrahamson&Silva 2008 NGA Model BA08:Boors&Atkinson 2008 NGA Model ' CBOS:Campbell&Bozorgnla 2008 NGA Model CY08:Chiou&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-No SD Median s%-Damped Pseudo-Absolute Acceleration Response Spectrum 7..00 PSA(g) 0.010 2.107E-01 3.656E-01 1.214E-01 5.231E-04 to SD(cm) 0.020 2.123E-01 3.688E-01 1.223E-01 2.108E-03 Rr (km) 0.030 2.253E-01 3.943E-01 1.287E-01 5.033E-03 14.80 0.050 2.660E-Ot 4.709E-01' 1.503E-01 1.651E-02 0.075 3.578E-01 6.409E-011.998E-01 4.997E-02 t Rua(km) 0.10 3.894E-01 7.074E-01 2.143E-01 9.666E-02 14.80 0.15 4.513E-01 8.315E-01 2.449E-01 2.521E-01 ' 0.20 4.689E-01 8.723E-01 2.521E-01 4.656E-01 o Rx(km) 0.25 4.541E-01 8.514E-O 2.422E-01 7.045E-01 e.1 14.80 0.30 4.221E-01 7.962E-01 2.238E-01 9.431E-01 0.40 3.600E-01 8.860E-01 1.889E-01 1.430E+00 U 0.50 3.052E-01 5.871E-01 1.586E-01 1.894E+00 0 0.75 1.799E-01 3.409E-01 9.490E-02 2.512E+00 w ' 1.0 1.663E-01 3.304E-01 8.368E-02 4.128E+00 H O.pt FRv 1.5 1.055E-01 2.129E-01 5.230E-02 5.894E+00 0 2.0 7.047E-02 1.444E-01 3.439E-026.998E*00 3.0 3.952E-02 8.275E-02 1.887E-02 8.829E+00 FaM 4.0 2.523E-02 5.350E-02 1.190E-02 1.002E+01 0.001 a.ot out t to 0 5.0 1.761E-02 3.772E-02 8.227E-03 1.093E+01 Period(S) ' 7.5 8.164E-03 1.753E-02 3.794E-03 1.139E+01 ue 1 Hm, 10.0 4.570E-03 9.945E-03 2.100E-03 1.134E+01 0 Zroe(km) PGA(g) 0 3.656E-01 1.214E-111 ' 0.80 PGV(Gs) -1 1.558E+01 2.637E+01 9.200E+00 s 90 Vsso(Msec) ' 760 FMea ems Z (m) ' DEFAULT DEFINITION OF PARAMETERS: Z(km) N =Number of standard deviations to be considered in the calculations DEFAULT PSA =Pseudo-absolute acceleration response spectrum(g;5%damping) PGA =Peak ground acceleration(g) W(km) PGV =Peak ground velocity(cm/s) ' 14 SO =Relative displacement response spectrum(cm;5%damping) &I-Moment magnitude FAS =Closest distance to coseismic rupture(km),used in AS08,C008 and CY08.See Figures a,b and c for illustation 0 =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 AS08 and CY08.See Figures a,b and c for illusta0on HW Taper U =Unspecified-mechanism factor 1 for unspecified;0 othenvise,used in BA08 ' 0 =Reverse-faulting factor.0 for strike slip,normal,normal-oblique;1 for reverse,reverse-oblique and thrust =Normal-faulting factor:0 for strike slip,reverse,reverse-oblique,thrust and normal-oblique;1 for normal =Hanging-wall factor 1 for site on d-dip side of top of rupture;0 otherwise,used in AS08 and CY08 =Depth to top of coseismic rupture(km),used in ASOB,CBOB and CY08 =Average dip of rupture plane(degrees),used in AS08,CBOB 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 ASO8 and CY08 E=Depth to 1.0 km/sec velocity horizon(m),used in ASO8 and CY08.Enter"DEFAULT'in order to use the default values or enter your site specific number -=Depth of 2.5 kmts she-ve velocity horizon(km),used in C1308.Enter"DEFAULT'in order to use the default value or enter your Site specific number W =Fault rupture width(km),used in AS08 ' Aftershock factor.0 for mainshock 1 for aftershock used in A508 and CY08 =To choose the hanging wall taper to be used in ASOB.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