ARCHIVED REPORTS_2012_3 - Laserfiche WebLink

Home Browse Search

CALCULATION OF WEIGHTED AVERAGE 2008 NGA MODELS: by Linda Al Atik,PEER-Sep,2009-latik@berkeley.edu ' Fault Name: Green Valley Fault Zone This Excel file calculates the weighted average of the natural logarithm of the spectral values from the NGA models NGA Model: AS08 BA08 CB08 CY08 108 Watgbt: AS08:Abrahamson&Silva 2008 N.A.Model BA08:Boore&Atkinson 2008 NGA Model CB08:Campbell&Bozorgnia 2008 NGA Model ' CY08:Chiou&Youngs 2008 NGA Model 108:Idriss 2008 NGA Model Explanatory Variables Geometric Mean Horizontal Component M GMP T(s) SA Median SA Median+Na SA Median-No SD Median 6%-Dampedvseudo-Absolute Acceleration Respome Spectrum 6.80 PSA(g) 0.010 5.569E-02 9.410E-02 3.296E-02 1.382E-04 to ' SD(cm) 0.020 5.649E-02 9.562E-02 3.338E-02 5.610E-04 Rs (km) 0.030 5.956E-02 1.023E-01 3.469E-02 1.331E-03 53.30 0.050 7.008E-02 1.236E-01 3.973E-02 4.349E-03 0.075 8.794E-02 1.589E-01 4.866E-02 1.228E-02 t Rje(km) 0.10 1.033E-01 1.880E-01 5.675E-02 2.564E-02 53.30 0.15 1.229E-01 2.237E-01 6.752E-02 6.865E-02 ' 020 1.291E-01 2.328E-01 7.164E-02 1.282E-07 Rx(km) 0.25 1.194E-01 2.145E-01 6.651E-02 1.853E-01 oe 0.00 0.30 1.117E-01 2.004E-01 8221E-02 2.495E-01 0.60 9.550E-02 1.717E-01 5.331E-02 3.793E-01 U 0.50 6.137E-02 1.468E-01 4.510E-02 5.050E-01 0 0.75 5.364E-02 9.888E-02 2.910E-02 7.490E-01 $, ..at 1.0 3.857E-02 7.188E-02 2.069E-02 9.574E-0i u Fav 1.5 2.274E-02 4.299E-02 1.203E-02 1.270E+00 0 2.0 1.579E-02 3.004E-02 8.300E-03 1.568E+00 3.0 9.6D9E-03 1.834E-02 5.035E-03 2.147E+00 F 4.0 6.970E-03 1.333E-02 3.646E-03 2.768E+00 boot NM 0.01 0.1 1 10 0 5.0 6.611E-03 1.130E-02 2.786E-03 3.482E+00 Periods) ' 7.5 2.725E-03 5.828E-03 1.275E-03 3.806E+00 FNw 10.0 1.834E-03 3.727E-03 7.162E-04 4.055E+00 0 Zroa(km) PGA(g) 0 9.410E-02 3.296E-02 ' 3.70 PGV(c/s) -1 4.184E+00 7.071E+00 2.475E+00 6 90 Vsto(m/sec) 1 760 F,,,7", 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(cMs) 1 SO =Relative displacese displacement responspectrum(cm;1%damping) E�Moment magnitude Fas =Closestdistance to coseismic rupture(km),used in AS08,CB08 and CY08.See Figures a,b and c for illustabon 0 =Closest distance to surface projection of coseismic rupture(km).See Figures a,b and c for illustation Rx =Horaontal distance from top of rupture measured perpendicular to fault strike(km),used in AS08 and CY08.See Figures a,b and c for illustation HW Taper U =Unspecified-mechanism factor t for unspecified;0 otherwise,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 dam-dip side of top of rupture;0 otherwise,used in AS08 and CY08 =Depth to top of coseismic rupture(km),used in AS08,C808 and CY08 =Average dip of rupture plane(degrees),used in A508,CB08 and CYOB =Average shear-wave velocity in top 30m of site profile ' Fe_-=Vs30 Factor:1 if VS30 is measured,0 if Vs30 is infened,used In AS08 and CY08 Zt.o =Depth to 1.0 kmlsec velocity horizon(m),used in AS08 and CY08.Enter"DEFAULT'in order to use the default values or enter your site specific number ®=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 W =Fault rupture width(km),used in AS08 ' Fx =Aftershock factor 0 for mainshock,1 for aftershock,used in AS08 and CY08 HW Taper=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