Application of Vibration in Longwall Top Coal Caving MethodPhD Student of Mining, Dept. of Mining and Metallurgy, Yazd University, Iran. b . Keywords: coal seams, longwall, top coal caving, vibration system, recovery .. granular materials and effect of P, SH and SV waves are assessed (Jian et al.,.effect of vibration on top coal caving mining,effect of vibration on top coal caving mining,Application of the Vibration to the Top Coal Caving - ScientificThis technique has been applied to the 5209 top coal caving working face in Wang Zhuang coal mine (Shanxi Province). Based on the experiment, the vibration.
effect of vibration on top coal caving mining