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 on the circumferential line of the end anchoring zone and the full-length anchoring zone. (a) Full-length anchoring. (b) End anchoring.</div>

Advances in Civil Engineering

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Figure 12

Figure 12: 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 12 | Study on the Instability Characteristics and Bolt Support in Deep Mining Roadways Based on the Surrounding Rock Stability Index: Example of Pansan Coal Mine 