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分析研究了承压含水层应力应变与井水位变化之间的定量关系,得出了井水位变化与含水层应力应变之间的定量关系公式,给出了利用承压井水位变化反演含水层应力变化的两种新方法。利用大同地震前后井水位变化资料,反演了该地震前后大区域应力场的动态调整变化,并形成了时间与空间的演化图像。利用这些图像分析了大同地震前后大区域应力场的动态调整变化特征与可能的机制。
The quantitative relationship between the stress and strain of confined aquifers and the variation of well water level is analyzed. The formula of quantitative relationship between well water level change and stress and strain of aquifer is obtained. Two new ways of changing. Using the data of water level changes before and after the Datong earthquake, the dynamic adjustment of the stress field in the large area before and after the earthquake was inverted and an evolutionary image of time and space was formed. These images are used to analyze the characteristics and possible mechanisms of the dynamic adjustment of the stress field in the large area before and after the Datong earthquake.