Study on the Instability Characteristics and Bolt Support in Deep Mining Roadways Based on the Surrounding Rock Stability Index: Example of Pansan Coal Mine

<div>SRSI curve at the radial survey line of IRMR at different distances from working face. (a) The survey line of the rock wall. (b) The survey line of the corners.</div>

Advances in Civil Engineering

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Figure 6

Figure 6: Study on the Instability Characteristics and Bolt Support in Deep Mining Roadways Based on the Surrounding Rock Stability Index: Example of Pansan Coal Mine 

Figure 6 | Study on the Instability Characteristics and Bolt Support in Deep Mining Roadways Based on the Surrounding Rock Stability Index: Example of Pansan Coal Mine 