Mechanism and Integrated Control of “Rib Spalling: Roof Collapse—Support Instability” Hazard Chains in Steeply Dipping Soft Coal Seams

<div>Construction diagram of the “coir rope plus grouting” flexible protection technique.</div>

Advances in Materials Science and Engineering

Figure 18: Mechanism and Integrated Control of “Rib Spalling: Roof Collapse—Support Instability” Hazard Chains in Steeply Dipping Soft Coal Seams 