Spectral Acceleration (Sa)

Plain Definition: The peak acceleration experienced by a structure with a given period and damping.

Technical Description: Used in response spectra. Depends on ground motion, site condition, and damping ratio.

Use in Design: Key parameter in code-based design and structural analysis.

Meta Title: Spectral Acceleration (Sa) | Earthquake Design Input

Meta Description: Explore spectral acceleration and its use in seismic response spectra and design.