Shock and Vibration / 2016 / Article / Tab 1

Research Article

Research on Effects of Blast Casting Vibration and Vibration Absorption of Presplitting Blasting in Open Cast Mine

Table 1

Basic information of the minable coal seam.

Coal measure eraCoal seam typeThickness of coal seam
Min~max
Average/m
Coal seam spacing
Min~max
Average/m
Coal seam structureStability

Taiyuan formation66IComplexUnstable
6II , Complex
6III~VIComplexRelatively stable

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