Prediction of Peak Ground Acceleration in Southwestern Taiwan as Revealed by Analysis of CHY Array Data

Jen-Kuang Chung

doi:10.3319/tao.2006.17.1.139(t)

Abstract

Prediction of Peak Ground Acceleration in Southwestern Taiwan as Revealed by Analysis of CHY Array Data

Highlights

The sources of damage caused to man-made structures due to strong ground motions by earthquakes are complicated
A total of 117 Taiwan Strong Motion Instrumentation Program (TSMIP) stations located in Yun-lin, Chia-yi, and Tainan Counties were chosen for searching available accelerograms (Fig. 1)
The result was performed by a large number of time histories recorded from the TSMIP network during the period 1993 to 1999

Summary

INTRODUCTION

The sources of damage caused to man-made structures due to strong ground motions by earthquakes are complicated. Adopting the ways (outlined in the following context) described in the papers of Raoof et al (1999) and Malagnini et al (2000), an estimate of regional attenuation was carried out in the present study using 158 sets of strong-motion data collected by the CHY array of TSMIP network during the period 1993 to 2000 The advantage of their method over the regression analyses is to take into account the duration parameter as a function of frequency and distance, which is more effective in structural engineering applications. Comparing the predictive peak motion to the observations, local site effect can be examined for further modification in different regions

REGIONAL ATTENUATION RELATIONSHIP

STRONG MOTION DATA SET AND DATA PROCESSING

PREDICTION OF PEAK GROUND ACCELERATION

Findings

DISCUSSION AND CONCLUSIONS