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本文通过模糊数学方法、水位变化速率分析方法、加速度计算法、相关分析方法以及典型震例分析方法,全面探讨了天津井网中30余口井孔水位的映震能力及反映地壳应变的能力。结果是:Ⅰ类井占井孔总数的8.6％,Ⅱ类井占井孔总数的20％,其余均为Ⅲ类井。Ⅰ、Ⅱ类井具有较高的映震能力和反映地壳应变的能力,是今后地震监测和科研的主要依靠,Ⅲ类井则主要用于强震的宏观前兆观测。因此,拟将对不同类型的井孔采用不同的管理方法。
In this paper, through the methods of fuzzy mathematics, water level change rate analysis, acceleration calculation, correlation analysis and typical analysis of earthquake cases, the seismic reflection capacity of more than 30 wells in Tianjin well pattern and the ability to reflect the crustal strain are fully discussed. The results are: Ⅰ type wells accounted for 8.6% of the total number of wells, Ⅱ type wells accounted for 20% of the total number of wells, the rest are Ⅲ type wells. Class I and II wells have higher ability of reflecting the earthquakes and reflecting the crustal strain, which are the main reliance on seismic monitoring and research in the future. The well of type III is mainly used for macroscopic precursory observation of strong earthquakes. Therefore, it is proposed to adopt different management methods for different types of boreholes.