Safety Assessment of Underground Tank Against Long-Period Strong Ground Motion- Development of Earthquake Disaster Warning System Using Real-Time Earthquake Information

Abstract eng:
It will be difficult to prevent the damage of tanks caused by a large earthquake even if extreme care has been exercised. Therefore, tank checking priority information system against tank damage by liquid sloshing due to large earthquake is very effective. In order to make earthquake disaster warning system against the tank damage by liquid sloshing, we developed a system that can quickly and real-time evaluate velocity spectrum using earthquake early warning information and earthquake data at the Akita Oil Storage Base. This system processing flow is (1) Evaluation of arrival time and seismic intensity using earthquake early warning information. (2) Evaluation of potential tank damage by sloshing using earthquake early warning information. (3) Transmission of potential tank damage to a mobile telephone or an email. (4) Evaluation of potential tank damage by sloshing using earthquake wave data. (5) Transmission of potential tank damage to a mobile telephone or an email.

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