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首页> 外文会议>World conference on earthquake engineering;WCEE >SEISMIC HAZARD ASSESSMENT FOR LIQUID SLOSHING OF OILSTORAGE TANKS DUE TO LONG-PERIOD STRONG GROUNDMOTIONS IN JAPAN
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SEISMIC HAZARD ASSESSMENT FOR LIQUID SLOSHING OF OILSTORAGE TANKS DUE TO LONG-PERIOD STRONG GROUNDMOTIONS IN JAPAN

机译：日本长期强地面运动导致储油罐液体晃荡的地震危险性评估

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摘要

Semi-empirical expression for acceleration spectrum of long-period ground motion was revised on thebasis of recent studies associated with the relations between earthquake magnitude and fault parameters.It was confirmed that the standard deviation of amplification factor obtained by applying thesemi-empirical expression to JMA displacement type strong motion records became smaller and theaccuracy of predicted acceleration spectra of large earthquakes was improved compared with the case ofthe without revision. Consequently, the real-time system for prediction of long-period ground motion hasbeen developed, in order to provide the information for assistance of pertinent emergency responses suchas prohibition of the use of the fire just after an earthquake.On the other hand, the 2003 Tokachi-oki earthquake (M8.0) brought us a chance to revise the regulationon liquid sloshing of oil storage tanks, because long-period strong ground motions observed atTomakomai, where oil tanks were severely damaged, were nearly twice as strong as the regulation inJapan Fire Service Law. Then, we have been working to set acceleration spectral level in the petroleumterminals and bulk storage facilities using the above-mentioned real-time system for future largeearthquakes with shallow focal depths and maximum expected magnitude in the seismotectonic zones.
机译：在与地震震级和断层参数之间的关系相关的最新研究的基础上，对长周期地震动加速度谱的半经验表达式进行了修正。证实了将这些半经验表达式应用于JMA所获得的放大因子的标准偏差。与未修正的情况相比，大位移地震记录的位移类型变小，大地震的预测加速度谱的准确性提高了。因此，已经开发了用于预测长周期地面运动的实时系统，以便为相关的紧急响应提供信息，例如在地震发生后立即禁止使用火源。另一方面，2003年十胜木地震（M8.0）给我们带来了修改储油罐液体晃动的规定的机会，因为在严重损坏储油罐的托玛科迈长期观察到的强烈地面运动几乎是日本规定的两倍。消防法。然后，我们一直在努力使用上述实时系统为未来的大地震在浅层地震深度和地震构造带最大期望震级的过程中，设置石油码头和散装存储设施中的加速频谱水平。

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