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本文论述并计算了相对地应力测量附加应力值动态基线与观测值动态基线间的动态比例因子Ω值,指出该值的异变可作为震前应力异常的重要指标之一。 计算结果表明:Q值的相对稳定范围通常是5.0×10~(-3)±1.0×10~(-4)bar/μh;若出现Ω值异常时,有可能是附加应力的变化日趋加剧或所积能量急待释放的一种反映。
This paper discusses and calculates the dynamic scale factor Ω between the dynamic baseline and the dynamic baseline of the additional stress value of the relative stress measurement. It is pointed out that the variation of this value can be used as one of the important indicators of pre-earthquake stress anomalies. The calculation results show that the relative stable range of Q value is usually 5.0 × 10 -3 ± 1.0 × 10 -4 bar / μh; if the value of Ω is abnormal, the change of additional stress may be aggravated or A plot of energy released urgently.