⚑ Response Spectrum Scaling

SpectraScalingGUI v1.3.5 Β· University of Pardubice

πŸ‡¨πŸ‡Ώ TA CR – SIGMA / M.ERA-NET Cofund
Technology Agency of the Czech Republic
Target Design Spectrum
No target spectrum loaded.
Building Period
T₁ (s) β€” required
⚠ Enter building period to show period markers.
Computed from T₁
T₁ = -- 0.2T₁ = -- 1.5T₁ = --
Plot Axis Limits
X min (s) X max (s)
Y min (g) Y max (g)
Sample Data
Download sample target spectrum and ground motion records to test the tool.
Acknowledgement
This tool was developed within the framework of a project co-financed from the state budget by the Technology Agency of the Czech Republic under the SIGMA Programme within the M.ERA-NET Cofund.
Citation
Yurdakul, Γ–zgΓΌr (2026). SpectraScalingGUI: A web-based tool for ground motion selection and scaling. Faculty of Transport Engineering, University of Pardubice. Available at: https://ozguryurdakul.github.io/seismic-tools/spectrascaling.html
Ground Motion Records
Each file: select T column, Sa column, and component (EW / NS / GM)
Record NameSFComp
SF range: – Lower bound:
Ξ± β€” optimised for highest RΒ²,  0 = no SF control,  higher = more uniform SFs
Ξ± :
No records loaded.
Compliance Check [0.2T₁ – 1.5T₁] (TBDY 2018)
Summary
Records loaded --
Target spectrum --
Building T₁ (s) --
0.2T₁ (s) --
Upper T (s) --
Goodness of Fit (mean vs target)
Min ratio (mean/target) --
Mean ratio (mean/target) --
RMSE (g) --
RΒ² --
TBDY 2018 Β§2.4 β€” Lower Bound on Mean Spectrum
Min(mean/target) β‰₯ threshold?--
Points failing bound--