| 用多分量钻孔应变仪资料推算测区附加应变场方向 |
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| 引用本文： | 钟继茂,李祖宁,谢志招,袁定强.用多分量钻孔应变仪资料推算测区附加应变场方向[J].大地测量与地球动力学,2011,31(1):29-33. |
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| 作者姓名： | 钟继茂 李祖宁 谢志招 袁定强 |
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| 作者单位： | 1)福建省地震局，福州 350003;2)厦门地震勘测研究中心,厦门 361021 |
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| 摘 要： | 以福建漳州台深井观测资料为例,探讨用多分量钻孔应变仪资料推算测区附加应变场方向.依据观测资料的特征,把动态应变场分解为背景应变场和附加应变场.为了研究附加应变场主应变方向的变化特征,采用"钻孔加衬模型"公式,计算了主应变方向矢量,绘制了矢量轨迹图,结果为顺时针旋转的椭圆.在2010年3月4日台湾高雄6.7级地震前,矢量...
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| 关 键 词： | 多分量钻孔应变仪 漳州观测井 附加应变场 主应变方向 矢量轨迹图 |
DETERMINATION OF DIRECTION OF ADDITIONAL STRAIN FIELD IN OBSERVATION AREA FROM DATA OF MULTI-COMPONENT BOREHOLE STRAINMETER |
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| Zhong Jimao,Li Zuning,Xie Zhizhao,Yuan Dingqiang.DETERMINATION OF DIRECTION OF ADDITIONAL STRAIN FIELD IN OBSERVATION AREA FROM DATA OF MULTI-COMPONENT BOREHOLE STRAINMETER[J].Journal of Geodesy and Geodynamics,2011,31(1):29-33. |
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| Authors: | Zhong Jimao Li Zuning Xie Zhizhao Yuan Dingqiang |
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| Institution: | Zhong Jimao1),Li Zuning1),Xie Zhizhao2) and Yuan Dingqiang1)(1)Earthquake Administration of Fujian Province,Fuzhou 3500032)Xiamen Research Centre of Seismologic Surveying,Xiamen 361021) |
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| Abstract: | Taking the observation data of Zhangzhou station,Fujian as an example,we determined direction of the additional strain field in observation area from data of multi-component borehole strain-meter.According to the characteristics of observation data,the dynamic strain field can be decomposed into the background strain field and the additional strain field.In order to study the variation characteristics of principal strain directions of the additional strain field,we used the formula of lined borehole model t... |
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| Keywords: | multi-component borehole strain-meter Zhangzhou observation well additional strain field principal strain directions vector trajectory diagram |
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