@ ŒfÚŽGŽi˜ajF “ú–{’nkHŠwƒVƒ“ƒ|ƒWƒEƒ€u‰‰W VolF 5Šª ”NF 1978”N •ÅF 57-64•Å ’˜ŽÒi˜ajF - ƒ^ƒCƒgƒ‹i˜ajF - ´˜^i˜ajF
- ƒL[ƒ[ƒhi˜ajF - ŒfÚŽGŽi‰pjF PROCEEDINGS OF JAPAN EARTHQUAKE ENGINEERING SYMPOSIUM ’˜ŽÒi‰pjF Tsuneo KATAYAMA ƒ^ƒCƒgƒ‹i‰pjF ENGINEERING PREDICTION OF ACCELERATION RESPONSE SPECTRA AND ITS APPLICATION TO SEISMIC RISK ANALYSIS ´˜^i‰pjF
A method of evaluating seismic risk in terms of acceleration response spectra is presented. The results of a recent study on the statistical analysis of the 277 acceleration response spectra obtained from Japanese strong-motion records were used as an attenuation law to relate the earthquake magnitude, distance and site conditions to the nature of strong motion at a site. The method was applied to estimate the seismic risk of five randomly selected sites in Japan. The final output from the risk analysis for a site is in the form of the expected acceleration response spectra for different ground conditions at the site. The data for the seismicity of the area surrounding each site was obtained through some scientific judgment from the catalogue of nearly 18,000 earthquakes that occurred in the whole vicinity of Japan since the historical times. ƒL[ƒ[ƒhi‰pjF - ‹LŽ–‹æ•ªF - ‹æ•ª @@@ˆÏˆõ‰ï˜_•¶W