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' CALCULATION OF WEIGHTED AVERAGE 2008 NGA MODELS: by Linda A/Atfk,PEER-Sep,2009-1atik@berkeley.edu <br /> Fault Name: Greenvillle Fault Zone <br /> This Excel rile calculates the weighted average of the natural logarithm of the spectral values from the NGA models <br /> ' NGAModcl: AS08 BA08 CB08 CY08 108 <br /> Weight: AS08:Abrahamson&Silva 2008 NGA Model <br /> BA08:Boom a.Atkinson 2008 NGA Model <br /> CB08:Campbell R Bozorgnia 2008 NGA Model <br /> CY08:Chiou d Youngs 2008 NGA Model <br /> ' 108:Idriss 2008 NGA Model <br /> Explanatory Variables Geometric Mean Horizontal Component <br /> GMP T(s) SA Median SA Median+No SA Median-No SD Median 5%-Damped Psmdo-Absolute Acceleration Response Spectrum <br /> PSA(g) 0.010 2.107E-01 3.656E-01 1.214E-01 5.231E-04 t0 <br /> SD(cm) 0.020 2.123E-01 3.688E-01 1.223E-01 2.108E-03 <br /> ' r148O <br /> 0.030 2.253E-01 3.943E-01 1.287E-01 5.033E-03 <br /> 0.050 2.660E-01 4.709E-01 1.503E-01 1.651E-02 <br /> 0.075 3.578E-01 6.409E-01 1.998E-01 4.997E-02 0.10 3.894E-01 7.074E-01 2.143E-01 9.666E-02 <br /> 0.15 4.513E-01 8.315E-01 2.449E-01 2.521E-01 <br /> 030 4.689E-01 8.723E-01 2.521E-01 4.656E-01 <br /> ' <br /> RX(k-) 0.25 4.541E-01 8.514E-01 2.422E-01 7.045E-01 u <br /> 0.1 <br /> 14.80 0.30 4.221E-01 7.962E-01 2.238E-01 9.431E-01 <br /> 0.40 3.600E-01 6.860E-01 1.889E-01 1.430E+00 <br /> U 0.50 3.052E-01 5.871E-01 1.586E-01 1.894E+00 S <br /> 0 0.75 1.799E-01 3.409E-01 9.490E-02 2.512E+00 0, <br /> y O.01 <br /> ' 1.0 1.663E-01 3.304E-01 8.368E-02 4.128E+00v 1.5 1.055E-01 2.129E-01 5.230E-02 5.894E+00 <br /> FR <br /> 0 2.0 7.047E-02 1.444E-01 3.439E-02 6.998E+00 <br /> 3.0 3.952E-02 8.275E-02 1..8987E-02 8.829E+00 <br /> 0.001 <br /> FxM 4.0 2.523E-02 350E-02 11cE-02 1.002E+01 <br /> 0.01 0.1 1 10 <br /> 0 5.0 1.761E-02 3.772E-02 8.227E-03 1.093E+01 Period(a) <br /> 7.5 8.154E-03 1.753E-02 3.794E-03 1.139E+01 <br /> FRw 10.0 4.570E-03 9.945E-03 2.100E-03 1.134E+01 <br /> 0 <br /> PGA(g) 0 0.211 3.656E-01 1.214E-01 <br /> 0.80PGV(dz) -1 1.558E+01 2.637E+01 9.200E+00 <br /> b <br /> 90 <br /> o(m/sec) <br /> i 760 <br /> M«alma <br /> 0 <br /> F(m) <br /> DEFAULT DEFINITION OF PARAMETERS: <br /> Zss(km) N =Number of standard deviations to be considered in the calculations <br /> DEFAULT PSA -Pseudo-absolute acceleration response spectrum(g;5%damping) <br /> PGA =Peak ground acceleration(g) - <br /> ' W(km) PGV =Peak ground velocity(ants) <br /> 14 SD =Relative displacement response spectrum(cm;5%damping) <br /> Moment magnitude <br /> Fay =Gosest distance to coseismic rupture(km),used in AS08,CB08 and CY08.See Figures a,b and c for illustation <br /> 0 -Closest distance to surface projection of coseismic rupture(km).See Figures a,b and c for illustation <br /> 0' =Horizontal distance from top of rupture measured perpendicular to fault strike(km),used in AS08 and CY08.See Figures a,b and c for illustation <br /> Td U =Unspecified-mechanism factor:1 for unspecified;0 otherwise,used in BA08 <br /> =Reverse-faulting factor:0 for strike slip,normal,normal-oblique;1 for reverse,reverse-oblique and thrust <br /> =Normal-faulting factor:0 for strike slip,reverse,reverse-oblique,thrust and normal-oblique;1 for normal <br /> =Hanging-wall factor:1 for site on down-dip side of top of rupture;0 otherwise,used in AS08 and CY08 <br /> =Depth to top of coseismic rupture(km),used in AS08,CB08 and CY08 <br /> =Average dip of rupture plane(degrees),used in AS08,CBO8 and CY08 <br /> =Average shear-wave velocity in top 30m of site profile <br /> =Vs30 Factor:1 if VS30 is measured,0 if Vs30 is inferred,used in AS08 and CY08 <br /> =Depth to 1.0 kmisec velocity horizon(m),used in ASO8 and CY08.Enter"DEFAULT"in order to use the default values or enter your <br /> site specific number <br /> --Depth of 2.5 kMs shear-wave velocity horizon(km),used in CB08.Enter"DEFAULT-in order to use the default value or enter your <br /> site specific number <br /> W =Fault rupture width(km),used in ASOB <br /> Aftershock factor:0 for mainshock;1 for aftershock,used in AS08 and CY08 <br /> -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), <br /> or enter 1 to use the revised hanging wall taper suggested by Norm Abrahamson <br />