ETA20jn

These records have been optimized in nonlinear range to fit ASCE design spectrum consistent with Tehran seismic characteristics for soil type (C)

Optimization is for R=1,2,4,8 and 71 Ts in 0-5 sec plus 10 points from T=20 to T=50 secs

acceleration points are in terms of m/s2.

NPTS=2001 DT=0.01

Direct access: ETA20jn

Related references:

• Mirzai A and Estekanchi HE (2015), "Performance-Based Seismic Retrofitting of Steel Frames by Endurance Time Method", Earthquake Spectra, v31, n1, p383-402, doi:10.1193/081312EQS262M