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作 者:周银兴[1] 张素灵[2,3] 郭凯[2] 张岩[2]
机构地区:[1]中国地震局地震预测研究所,北京100036 [2]中国地震台网中心,北京100085 [3]北京港震仪器设备有限公司北京102628
出 处:《震灾防御技术》2015年第1期116-125,共10页Technology for Earthquake Disaster Prevention
基 金:地震科技星火计划项目“高速铁路地震预警信息传输与处理技术研究”(XH13029);国家科技支撑计划课题“地震预警与烈度速报系统的研究与示范应用”(2009BAK55B04)共同资助
摘 要:随着中国高速铁路建设的飞速发展,对高速铁路地震预警系统的要求越来越迫切。目前我国建成的几条高速铁路地震监测及预警系统,都是在铁路沿线布置的台网,没有与当地地震台网实现地震信息共享,对于地震的精确定位以及强度估计存在一定的偏差。在高速列车快速制动后,如果能从地震台网获得相应的地震信息,对于制定高速列车恢复行车策略能够起到很大的作用。本文在对国外和国内高速铁路地震预警系统建设调研的基础上,结合我国目前建设的地震预警系统实际情况,提出了高速铁路地震预警系统快速制动及恢复行驶方案,以期对我国下一步高速铁路地震预警系统的建设提供参考。There is an urgently requirement of earthquake warning in high-speed railway construction of China. At present, several earthquake monitoring and early warning systems for high-speed railways built in China are all based on seismic networks arranged along the railways, and cannot share data with local seismic networks, which may result in deviations hindering a precise determination of the focal position and the size of an earthquake. After an urgent stop of a train in response to an earthquake, gathering necessary information of the earthquake from the China Earthquake Networks Center would play a key role for adopting correct strategies to restore the train service. Based on research and survey of both foreign and domestic earthquake early warning systems built for high-speed railways, a new train control strategy in earthquake early warning system for high-speed railways is proposed in this paper, which is helpful to provide technical support to the practice of earthquake early warning system development for high-speed railways of China.
分 类 号:U238[交通运输工程—道路与铁道工程] U212.2
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