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Microstructure and component influences on rockburst tencdency of diabase

In order to identify the microstructure and component influences on rockburst tendency of diabase, the JSM-6510LV scanning electron microscope was used. The results show, as the contents of silicon and oxygen increase, the rockburst tendency of diabase increases; the less the fissures are, the larger the rock burst tendency is. So it is necessary to pre-blast the compact diabase, in order to decrease the rockburst tendency of diabase.