| 苍山5.2级地震前后井水位固体潮加卸载响应比的短临异常变化 |
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| 引用本文： | 张昭栋,刘庆国,魏焕,耿杰,王忠民.苍山5.2级地震前后井水位固体潮加卸载响应比的短临异常变化[J].防灾减灾工程学报,1999(1). |
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| 作者姓名： | 张昭栋 刘庆国 魏焕 耿杰 王忠民 |
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| 作者单位： | 山东省地震局，山东省建筑工程学院 |
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| 基金项目： | 中国地震局“九五攻关”课题 |
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| 摘 要： | 将尹祥础固体潮加卸载响应比的理论和方法引入到地下水位潮汐资料计算中，从岩石的应变与应力的非线性响应分析了井水位固体潮加卸载响应比的物理机理，从理论上论证可以应用地下水位观测资料来计算加卸载响应比，并研究出利用地下水位对固体潮响应来计算加卸载响应比的方法。以此方法计算了山东省莒南井（Ｌｕ １４井）水位的固体潮加卸载响应比，分析了１９９５年苍山５２级地震前后井水位固体潮加卸载响应比的短临异常变化。
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| 关 键 词： | 加卸载响应比 固体潮 井水位 苍山地震 |
SHORT IMMINENT ANOMALOUS CHANGE OF LOAD DELOAD RATIO OF WELL LEVEL EARTH TIDE BEFORE AND AFTER CANGSHAN EARTHQUAKE OF M S 5.2 |
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| Zhang Zhaodong,Liu Qingguo,Wei Huan,Geng Jie,Wang Zhongmin.SHORT IMMINENT ANOMALOUS CHANGE OF LOAD DELOAD RATIO OF WELL LEVEL EARTH TIDE BEFORE AND AFTER CANGSHAN EARTHQUAKE OF M S 5.2[J].Journal of Disaster Prevent and Mitigation Eng,1999(1). |
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| Authors: | Zhang Zhaodong Liu Qingguo Wei Huan Geng Jie Wang Zhongmin |
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| Institution: | Zhang Zhaodong 1) Liu Qingguo 2) Wei Huan 1) Geng Jie 1) Wang Zhongmin 1) |
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| Abstract: | Based on the analysis for nonlinearity response of rock stress and strain, the physical mechanism of the load and deload response ratio of well level earth tide has been researched, it is theoretically proved that the ratio can be calculated by groundwater table data. The calculation method of the ratio is proposed, and the ratio of Junan well (Lu 14 well) of shandong is calculated, and the ratio anomaly of short imminence is analysed before the Cangshan earthquake of M S 5.2 in 1995. |
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| Keywords: | earth tide well water level Cangshan earthquake load deload ratio |
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