Applications of ARMA Models for Seismic Damage Predictionby C. J. Turkstra, Polytechnic Univ, United States,
A. G. Tallin, Polytechnic Univ, United States,
M. Brahimi, Polytechnic Univ, United States,
H. -J. Kim, Polytechnic Univ, United States,
Abstract: As an alternative to current design practice which is based on peak measured ground motions and scaled records from different events, individual earthquake records are treated as samples from an underlying population characterized by an autoregressive moving average (ARMA) model. Average single degree-of-freedom demand spectra for ductility demand and hysteretic energy are developed for four events. Several general conclusions concerning damage spectra, earthquake scaling and seismic hazard mapping are suggested.
Subject Headings: Damage (structural) | Seismic tests | Seismic effects | Seismic design | Ground motion | Earthquakes | Autoregressive moving average models | Degrees of freedom
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