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引用次数: 4
摘要
人们普遍认为，与s波(Es)和p波(Ep)相关的能量比例取决于震源机制(Mendecki(2013))。在采矿业中，横波能量与纵波能量之比被视为震源机制类型的重要指标，对于爆炸源而言，横波能量与纵波能量之比较低，对于断层滑动而言，横波能量之比较高(Cai et al 1998, Mendecki, 2013)。在纯剪切情况下，Es明显大于Ep (Es/Ep bbb20)。对于拉伸模型，Sato(1978)表明Ep和Es近似相等。Gibowicz et al(1991)和Gibowicz and Kijko(1994)认为，当Es/Ep 10。Hudyma和Potvin(2010)认为对于Es/Ep < 3的事件，其机制是非剪切的。本文研究了Es/Ep比值参数及其对不同地震服务设置的敏感性。它将通过研究三种不同情况下参数的一致性来实现这一点。
The validity of Es/Ep as a source parameter in mining seismology
It is generally accepted that the ratio of energy associated with the S-wave (Es) and P-wave (Ep) is dependent on the focal mechanism (Mendecki (2013). In the mining industry, the ratio of S-wave energy to P-wave energy is regarded as an important indicator of the type of focal mechanism, with the ratio being lower for explosive sources and higher for fault slip (Cai et al 1998, Mendecki, 2013). In pure shear, the Es is considerably larger than Ep (Es/Ep > 20). For the tensile model, Sato (1978) has shown that Ep and Es are approximately equal. Gibowicz et al (1991) and Gibowicz and Kijko (1994) suggest that when Es/Ep 10. Hudyma and Potvin (2010) suggest that for events with Es/Ep < 3, the mechanism is non-shear.
This paper investigates the Es/Ep ratio parameter and how sensitive it is to different seismic service setups. It will achieve this by investigating the consistency of the parameter for three different scenarios.
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