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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
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