Applications of ARMA Models for Seismic Damage Prediction

by 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,



Document Type: Proceeding Paper

Part of: Probabilistic Methods in Civil Engineering

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: Seismic design | Seismic tests | Earthquakes | Ductility | Autoregressive moving average models | Structural design | Scale models

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