Investigaion of a Next Ggeneration on Real-time Earthquake Disaster Prevention System Unsing Structural Health Monitoring Networks

本研究探讨了地震预警系统（EEW）与结构健康监测（SHM）功能已被研究作为下一代的区域地震灾害预防系统。为了减轻地震破坏的百万人口城市，仙台对即将到来的宫城县冲地震，一个复杂的灾害预防系统已经开发出来。EEW/SHM系统安装在太平洋沿岸的两座公共建筑、传播路径上的两座建筑和仙台的一座建筑。实时观测数据通过互联网传输到东北大学。本文还研究了一种利用现场波形资料准确预报地震动的方法，并将其应用于防震减灾。作为应用之一，开发的系统已在小学防灾教育中使用。开发的EEW/SHM系统经历了2011年东北太平洋沿岸地震。所获得的地震记录提供了地震前、地震中和地震后建筑物的振幅相关动力特性，为结构健康监测的研究做出了贡献

This study investigates Earthquake Early Warning (EEW)System with Structural Health Monitoring (SHM)function has been investigated as a next generation regional earthquake disaster prevention system.To mitigate earthquake damage in a million population city, Sendai against the approaching Miyagi-ken Oki earthquake, a sophisticated disaster prevention system has been developed. The EEW/SHM system was installed at two public buildings of Pacific Ocean coast, two buildings on the propagation path and one building in Sendai. The realtime observation data are transmitted to Tohoku University through Internet. An accurate earthquake ground motion prediction method using front-site waveform data is also investigated to be applied to earthquake disaster prevention. As one of utilization, the developed system has been used in the disaster prevention education at elementary schools.The developed EEW/SHM system experienced the 2011 Off Pacific Coast Tohoku earthquake. The obtained records contributed to the research on SHM by providing such as amplitude dependent dynamic characteristics of buildings before, during, and after the earthquake