矿震震源时空分布的分形特性与活动性预测——以新疆阿舍勒铜矿为例

doi:10.13722/j.cnki.jrme.2018.0855

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Abstract There is a close relationship between the fractal dimension based on fractal theory and the law of rock mass failure activity. In order to study the variation law of space-time fractal dimension of rock mass failure，reveal the essence of rock mass failure and achieve the purpose of forecasting，this paper uses box dimension calculation method to analyze the source location data of the Ashele copper mine microseismic monitoring system and the relationship between its spatial-temporal distribution law and production activities，development projects，etc. Firstly，there is a significant correlation between the temporal and spatial distribution characteristics of the source location and the fractal dimension. Secondly，when the sphere coverage which radius is 5，the time-space fractal dimension and the no-scale interval fit optimally. That is to say，according to the fractal dimension，Predicting the prediction of rock failure process is the most accurate. Finally，changes of the time and space fractal dimension which are closely related to the energy release have the same trend，which is more conducive to practical engineering applications.

Key words： minimg engineering source location fractal theory box dimension precursory information comparative analysis microseismicity

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	Articles by authors
	ZHAO Congcong
	TANG Shaohui
	QIN Min
	GUO Xiaoqiang
	JIAO Wenyu
	LIU Chang

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ZHAO Congcong,TANG Shaohui,QIN Min, et al. Fractal characteristics of spatiotemporal distribution and activity prediction based on mine earthquake—Taking the Ashele copper mine in Xinjiang as an example[J]. , 2019, 38(S1): 3036-3044.

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http://rockmech.whrsm.ac.cn/EN/10.13722/j.cnki.jrme.2018.0855 OR http://rockmech.whrsm.ac.cn/EN/Y2019/V38/IS1/3036

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