The Blocking Mechanism of the Vertical Feeding System of Roadside Support Body Material for Backfilling Gob-Side Entry Retaining

<div>Falling speed of sacked gangue. (a) The falling speed of sacked gangue at different time periods. (b) The falling speed of sacked gangue at different positions.</div>

Advances in Civil Engineering

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Figure 10

Figure 10: The Blocking Mechanism of the Vertical Feeding System of Roadside Support Body Material for Backfilling Gob-Side Entry Retaining 