Evaluation of Velocity Response Spectrum near period 1s Observed at Local Government Sites during the 2007 Noto Hanto Earthquake
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概要
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In this study, velocity response spectrum near period 1s was evaluated from ground motion indices for local government sites because that ground motion records were not stored in the main shock of the 2007 Noto Hanto Earthquake. Analyzing relationship among <I>PGA</I>, JMA seismic intensity and average velocity response spectrum, the average velocity response spectrum can be precisely estimated by using these ground motion indices. Next, correlation between average velocity response spectrum and damage ratio of wooden house was examined based on the records of the 2007 Noto Hanto Earthquake. We clarified that the average velocity response spectrum of period 0.7 to 1.2s (S<SUB>v0.7-1.2</SUB>) has the highest correlation to the damage ratio of wooden house. Finally, a good correlation between S<SUB>v0.7-1.2</SUB> at local government sites estimated by the proposed method, and damage ratio of wooden house was shown.
- 一般社団法人 日本地震工学会の論文
一般社団法人 日本地震工学会 | 論文
- Scope of this issue
- Study on the Priority of Measuring against Scenario Earthquakes Based on Seismic Risk Estimation
- Investigation on Actual Disaster Responses in Local Governments in terms of Information Sharing
- Empirical Correction of Ground Motion Prediction Equations of Response Spectra at Rock Sites for Near-Field Earthquakes Considering Amplification Effect within Deep Subsurface Structure
- A Study for Estimating Suspension Time of Railway Lines Due to Earthquake